16
records
IPv4 Addresses
TTL
amp.dev. 1200 IN A 75.2.60.5
Name Servers
TTL
20m
20m
20m
20m
amp.dev. 1200 IN NS ns1.googledomains.com. amp.dev. 1200 IN NS ns2.googledomains.com. amp.dev. 1200 IN NS ns3.googledomains.com. amp.dev. 1200 IN NS ns4.googledomains.com.
SOA Details
TTL
20m
SOA
Responsible
cloud-dns-hostmaster.google.com
SOA
Serial
1
SOA
Times
Refresh
6h
Retry
1h
Expire
3d
Minimum TTL
5m
amp.dev. 1200 IN SOA ns1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300
Certificate Authority Authorization
TTL
20m
20m
20m
amp.dev. 1200 IN CAA 0 issue "digicert.com; cansignhttpexchanges=yes" amp.dev. 1200 IN CAA 0 issue "letsencrypt.org" amp.dev. 1200 IN CAA 0 issue "pki.goog; cansignhttpexchanges=yes"
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
amp.dev. 300 IN DMARC v=DMARC1; p=reject; rua=mailto:[email protected]
DKIM
TTL
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
20m
amp.dev. 1200 IN TXT "v=spf1 include:_spf.google.com ~all"
MTA-STS
TTL
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
TTL
OSSRH-58404
20m
_github-challenge-ampproject.amp.dev=d14daa1aa4
20m
google-site-verification=CqB1o9V8CY69gveh0meVBqs-EtqQ6e0a7WqfbYh8AeQ
20m
TXT
—
amp.dev=z7stc0shlmj506lwln574zp6wn9jg035
20m
amp.dev. 1200 IN TXT "OSSRH-58404" amp.dev. 1200 IN TXT "_github-challenge-ampproject.amp.dev=d14daa1aa4" amp.dev. 1200 IN TXT "google-site-verification=CqB1o9V8CY69gveh0meVBqs-EtqQ6e0a7WqfbYh8AeQ" amp.dev. 1200 IN TXT "amp.dev=z7stc0shlmj506lwln574zp6wn9jg035"