Time To Live is a mechanism to prevent messages from traversing the network indefinitely

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2answers
31k views

Recommended DNS SOA record TTL default?

We currently have our DNS SOA record set to the following for stackoverflow.com: primary name server = ns1.p19.dynect.net serial = 2009090909 refresh = 3600 (1 hour) retry = 600 ...
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3answers
740 views

What DNS piece of information do I need to change if I'm going to be moving servers soon?

I'm going to be moving servers for our website soon. Instead of having a long period of 'downtime' for clients because their DNS client is caching the entries for a 'long time', can I hint to the DNS ...
2
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2answers
1k views

Recommend a content delivery network (CDN) for a specific purpose [closed]

could you please recommend a CDN for the following use: 1) Ability to update files on the edge servers automatically through API, so it should take no more than 5-10 minutes to make a new version of ...
28
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8answers
236k views

What does “TTL expired in transit” mean on a ping attempt?

We get the message “TTL expired in transit” when we try to ping to a server in a different network segment. When we run tracert, 4 ip addresses repeat themselves indefinitely: 14 60 ms 59 ms ...
10
votes
6answers
2k views

Recommended DNS TTL

I know it could be very different based on the situation, but for hosting a website with no plans to move the hosting server what is a good TTL to set on the DNS record?