Questions tagged [txt-record]

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Email DNS Setup: How do I make HELO publish an SPF record? SPF_HELO_NONE - SPF: HELO does not publish an SPF Record

My environment: hMailServer 5.6.8 on Windows Server 2022 Standard Let's say I have two domains (I don't really own these domains, they're just examples), www.myblog.com and www.mailserver.com. They ...
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1 answer
173 views

How do I set up a Let's Encrypt wildcard certificate for Apache on an Amazon Linux 2 AMI EC2 instance?

I have a domain (let's say example.com), and I currently have a Let's Encrypt certificate set up and properly working for example.com and www.example.com for Apache on an Amazon Linux 2 AMI EC2 ...
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3 answers
236 views

Can I set multiple TXT record on my DNS? (in order to proove the ownership of a domain to 2 mailboxes system)

I am not a system\network engineer (I am a software developer) so this is not my cup of tea. I have the following problem: I am configuring some Office 365 mailboxes for a client (that at the moment ...
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391 views

How to combine multiple SPF domains, one with an mx mechanism?

I combined 3 SPF records using the standard protocol, but got a null error after combining them. Individual records: v=spf1 include:spf.sendinblue.com mx ~all v=spf1 include:dc-aa8e722993._spfm....
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1 answer
380 views

How to add TXT record in Host File

Is is possible to add TXT record in local hostfile for local verification ? I was looking for this for demo purpose on a Linux server.
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Is it possible to host one TXT record for a domain on a different server, and leave all of the other DNS information intact on the first server?

I am running a business site on a computer with a managed hosting company. Everything is working fine, until I tried to establish DKIM verification for emails sent from the server. This required ...
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7 votes
2 answers
1k views

Base64 encoded MX records in TXT records

A lot of domains hosted by Namecheap contain strange DNS TXT records that appear to be base64 encoded, that when decoded look like a weird kind of MX record - having the structure of both a priority ...
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Can DNS TXT record broke website? [closed]

I had job to verify website to Facebook with dns records. So I did it and now website shows hosting provider template and redirect to his website. I had add something like this: NAME FILE VALUE ...
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3 votes
2 answers
1k views

Is it safe to add additional values to a TXT record in DNS

In Dynamics 365 we need to be able to authenticate our domain for sending marketing emails. We have followed the advice in the Microsoft article below and now need to add the DNS records. https://docs....
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2 answers
216 views

Is possible to use keywords a, mx and include together in SPF?

Is it possible to use them in the same SPF record? For example: Value TXT: v=spf1 mx a ptr ip4:46.16.60.0/23 a:cdmon.com mx:mail.solarmora.com include:srv.cat ~all
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2 answers
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Purpose of a and include keywords in SPF

In tutorial I found this example record for SPF, but the a and include keywords wasn't explained. I don't find accurate information about them in the internet. v=spf1 mx a ptr ip4:46.16.60.0/23 a:...
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1 answer
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Unable to Create Valid Subdomain on Google Domains

Hello all and thank you for your time. I have a domain that is managed my Google Domains. I Added a subdomain as per Googles Documentation Screengrab - Google Domain I have given it nearly 48 hours ...
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1 answer
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Why don't I get the TXT records I was expecting?

I'm using Google Domains to manage DNS of a domain I own. In Google Domains, I've configured a TXT record _acme-challenge with a specific value. I was expecting to see this value when doing: dig -t ...
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0 answers
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Is it possible to get a TXT record value for a domain that also has an NS record

I'm writing an app that lets a user host our pages on their domains. To do that, they need to configure a couple records in their DNS. One is a TXT record with a unique value just to prove ownership. ...
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8 votes
2 answers
3k views

Wildcard SSL with LetsEncrypt gives error

I want to create wildcard SSL for my website via LetsEncrypt. I followed the instruction and after running Certbot, it gives me a DNS challenge and says: Please deploy a DNS TXT record under the name ...
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1 answer
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Problems with TXT record in combination with other Records

I have currently the following DNS setup. Domain: domain.tld Example IPv4: 1.2.3.4 Example IPv6: fe80::1 Host Type Destination * A 1.2.3.4 * AAAA fe80::1 This setup works perfectly as expected. If ...
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Unknown PTR record in DNS; it’s not there in Cloudflare DNS Settings [closed]

(1.) There is an extra, unwanted, unexpected, unadded PTR record in my DNS settings, with value set to the Domain Name "mediati.net". You can see it here in MxToolbox Reverse Lookup: MxToolbox shows ...
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1 vote
1 answer
335 views

DNS SPF TXT Records - is this legal?

foo.org 1 IN TXT "v=spf1 include:_spf.google.com include:_spf.bar.com ~all" foo.org 1 IN TXT "v-spf1 ip4:99.99.99.99 include:_spf.google.com ~all" or do they need to be combined into one ...
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1 vote
1 answer
723 views

I post a domain challenge TXT record to AWS Route 53, but Let's Encrypt doesn't see it

I finally got certbot-auto installed on the AWS EC2 Linux instance that was giving me trouble, and I'm trying to get a wildcard cert from Let's Encrypt. I was told to put up a TXT record under the ...
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1 vote
2 answers
822 views

How to concatenate DNS TXT records?

Google Search Console is asking me to add a TXT record to my domain name, like google-site-verification=EQZs1xbCh8hu90LwVGhWEcYUYCGH6BDSBE68 But I already have a TXT record for SPF like v=spf1 +a ...
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1 vote
1 answer
379 views

Join multiple SPF in one string

I've read other thread about it but I've 2 different string with some parameters in only one (MX) so i ask some help to join in one string only in the correct way. 1) "v=spf1 include:spf.sendinblue....
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2 answers
264 views

Can a DNS TXT record break a contact form?

This may be an odd question but I'm looking for a definitive answer once and for all. I've been doing some research on TXT records and how they work, but I haven't been able to find out for sure. ...
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0 answers
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How to set TXT TTL to 1

I am trying to verify my domain ownership to Let's Encrypt by adding a TXT record to mydomain.zone located in /var/named. Let's Encrypt wants me to add it with a TTL of 1 second. However, I find no ...
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5 votes
2 answers
6k views

How to query DNS for special **NAMED** TXT records

I am using certbot to generate a ssl certificate for a third party web app. Because I cannot get into the source code or folder structure, I am using DNS validation. To further complicate things, my ...
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-1 votes
1 answer
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SPF record permerror showed in an email header, but no reason for it

Our customers are complaining about the spam issue. There are a number of spam emails which are not tagged as spam emails. These spam emails were sent from forged seneder address, which means our SPF ...
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2 votes
2 answers
2k views

List all txt records for a doman

How can I list all the txt records for a domain? All online tools i checked only list the firt one they find and the nslookup the same. I wish to do this on a windows machine.
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2 votes
1 answer
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Why are my TXT DNS records for certbot-auto not taken into account?

I tried to add a txt value to my DNS records to use certbot (certbot-auto as explained here ). Here are my DNS records in text mode (with example numbers): @ 10800 IN SOA ex1.example.net. ...
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6 votes
2 answers
8k views

Entering multiple DNS TXT values as a single TXT entry, with each value in " marks, but separated by spaces

I have done this with other DNS providers but I'm stuck on UltraDNS's DNS management interface. I need to enter multiple values in a TXT entry so they resolve as a single string with each value in &...
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0 votes
1 answer
996 views

How to cache DNS TXT lookups with dnsmasq

We use dnsmasq on our Debian servers to cache DNS queries. This works find for A and CNAME queries. However, I notice that dnsmasq does not cache TXT queries. You can see this here: 2018-07-23T08:18:...
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1 answer
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DNS txt record to point subdomain to other domain

I have a SimpleHosting instance at gandi.net, connected with a domain at Gandi, mygandidomain.org, and another domain, myrootdomain.name registered somewhere else. I successfully added a CNAME entry ...
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2 votes
1 answer
10k views

How to include multiple domains in an spf TXT Record ~all and ?all [duplicate]

I am looking to setup a TXT spf record that has 2 included domains...individually: v=spf1 include:hotmail.com ~all and v=spf1 include:servers.mcsv.net ?all What is the proper way of combining them ...
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1 answer
343 views

Long SPF (TXT) records not resolving on Ubuntu

When trying to construct a long SPF record in the form: example.com. 86400 IN TXT "v=spf1 ip4:1.2.3.0/24 include:example.net include:_my_whitelist.example.com -all" _my_whitelist....
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7 votes
1 answer
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Adding a subdomain on Google Domains

I'm trying to create a TXT DNS record with name _acme-challenge.www on Google Domains to allow me to validate my DNS (i.e. via _acme-challenge.www.example.com). I've already validated the domain ...
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0 votes
1 answer
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Permanent SPF error: Void lookup limit of 2 exceeded

I'm trying to fix my GoDaddy SPF settings. I'm getting this error: "SPF record lookup and validation for: http://www.scoutbox.us|www.scoutbox.us Permanent SPF error: Void lookup limit of 2 exceeded ...
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1 vote
1 answer
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Would like to doublecheck that I created a TXT SPF record correctly for multiple IP addresses

I currently have this TXT SPF record: v=spf1 a mx ip4:173.9.41.65 ~all That above record is only supposed to allow that IP address to send. However, I now have 5 static IPs that need to be allowed (...
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0 answers
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Domain has SPF Record, One Email Account Always Goes to Junk

We've got a domain and email with 1&1 hosting. The domain has an SPF text record. We've got 8 email accounts, and all but one of them can send emails to external addresses without them going to ...
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1 answer
1k views

Which ip address should I add in the SPF record for my domain

I own a domain eg. "mustang.com" and uses office365 for sending emails to my customers. My current SPF has below TXT records as described by Microsoft website v=spf1 include:spf.protection.outlook....
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2 votes
1 answer
386 views

TXT entry in DNS for both gmail and amazon ses

It seems adding a TXT entry in DNS about Google is a good practice (when using gmail to send mail) to prevent being considered as Spammer. So I could add a TXT entry in my DNS records to: example.org ...
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0 votes
1 answer
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how to properly configure DNS when server hosting one domain is sending mail from another?

i'm trying to figure out how to properly setup TXT and PTR records in the following case: - one domain is hosted on the server 1stdomain.com on IP 1.2.3.4 - it uses remote mail server for sending ...
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0 votes
1 answer
300 views

Setting up AWS SES DKIM in Linode

I am having trouble finding a resource to help with this process, please let me know if there exists documentation somewhere you know of. I am trying to set up AWS SES, my hosting is at Linode. I ...
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3 votes
0 answers
152 views

Restricting query types in Bind9

The network is relatively straightforward: on the inside there is Active Directory, in the DMZ is a BIND9 DNS forwarder. The Active Directory domain controller is the internal DNS server for all ...
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2 votes
1 answer
2k views

DKIM public key not retrievable

I've had a mail server set up for quite a while now. It's been working fine, all the major email providers accept email from my server with no problem. However, at the time I set up the server, I also ...
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18 votes
2 answers
49k views

Adding both CNAME and TXT DNS records for one subdomain

I have a Heroku app and I need to set up a domain for it. The common way to set it up is to use CNAME record to specify that this domain is an alias to <your-domain-name>.herokuapp.com. The ...
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0 votes
1 answer
871 views

TXT record for multiple email providers not working

The main domain is configured with google account so we are using sub-domain: mail.fairwaytoursuae.com for sending mail via Mailgun. Everything is done as in the docs but still, one TXT record is ...
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0 votes
0 answers
1k views

How to include multiple spf TXT records with domain and sub domains

Already here is similar question, but my requirement is different. We are using Google apps for example.com for our corporate mails , we also use sub domains in mail chimp for sending mass mails. ...
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76 votes
3 answers
81k views

Multiple TXT fields for same subdomain

I would like to understand if multiple TXT records for the same subdomain are ok or could lead to issues. In particular, we have the requirement for one SPF record and one Google Domain Verification ...
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3 votes
0 answers
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Bind9 will not serve txt records for some domains and will serve it for others [closed]

As from the title, bind9 won't serve txt records for one domain, and serve it for others. the zones are almost equal. System Ubuntu 14.04 Bind9 from the distribution (tried 9.10 from sources too) I ...
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  • 1,679
9 votes
1 answer
3k views

What these strange TXT records in my default OVH DNS config mean

Can somebody tell me please, what this TXT records means? www IN TXT "l|pt" www IN TXT "3|welcome" these 2 TXT records appears when i reset my DNS ...
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0 votes
1 answer
87 views

Spf record processing speed

I send email through a service provider smtp server that uses a domain different than mine. My email client uses smtp1.provider.net to send emails, but usually the message is routed through smtp2....
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0 votes
2 answers
101 views

Spf A record for a second domain

I need to use this spf record on example.com domain: example.com. IN TXT "v=spf1 a mx a:smtp.second.net -all" I'd like to know if a client sending an email from bob@example.com domain will pass the ...
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