Turn a lookup into useful configuration notes

A record should be understandable to the next maintainer, including when and why it was checked.

What belongs in a DNS handover note? →

Separate a public lookup snapshot from a complete account and configuration handover.

Read TTL in the context of your review →

The remaining cache lifetime is not necessarily the TTL originally set in a control panel.

Record type reference

A / AAAA
IPv4 and IPv6 addresses associated with a name.
CNAME
An alias relationship between one name and another.
MX
Incoming mail servers and their preference values.
TXT
Public text, such as SPF, verification values or DKIM data.
NS / SOA
Nameservers and essential zone information.
SRV
Service target, port, priority and weight. Enter the full service name.
PTR
Reverse mappings. Enter the corresponding in-addr.arpa or ip6.arpa name.
CAA
Public statements about certificate issuance authorization.

Scope of a lookup

All types covers common record types for the name you enter. It does not enumerate every subdomain or perform zone transfers, port scans or global propagation tests. Answers come from one recursive DNS service and may reflect its cache.

Start a lookup →