Stop using ridiculously low DNS TTLs

Setting a DNS record's TTL value to zero, means that applications and DNS servers must not cache the record. When a DNS record is stored in the cache of a DNS ...

2023年3月24日 — Set your DNS TTL minimum value to a number larger than 0. Never set your DNS TTL to 0. The number 0 is not defined in the standard, and it ...

2018年9月3日 — TTL設定的時間若過短，會增加網站主機的負擔，會收到更多Query，讓主機處理器時間變慢. 例如你把TTL設定為0時，你的DNS Server可能就會被操到爆，當 ...

2021年12月11日 — Is it possible to configure DNS records with 0 TTL? I need to setup round robin DNS for load balancing of 50 servers and 60 seconds as DNS ...

2023年5月5日 — Description Queries return a TTL of 0 when wide IPs and pools are disabled, even though their primary, alternate, and fallback load ...

由 Y Wu 著作 · 2007 · 被引用 50 次 — In this paper we are interested in the impact of TTL value 0 on DNS system performance. Based on the modeling of DNS caching behavior, we have a quantitative ...

2019年11月12日 — Let's focus on the 0-3,600 range: Figure 3 – TTL distribution from 0 to 3,600 seconds. And where most TTLs sit between 0 and 15 minutes:.

2012年12月17日 — In name resolution (current version of bind), what happens when a recursive answer reaches ttl 0 on the return trip?

2021年12月14日 — Using the workaround in #6977 to stop a manually created /etc/resolv.conf from being deleted everytime WSL VM restarts.

當其存活次數為0時，路由器便會取消該封包 ... TTL封包以告知躍點數超限。其設計目的是防止封包因不正確的路由表等原因造成的無限循環而無法送達及耗盡網路資源。 DNS.