IPv4 Addresses

TTL

Name Servers

TTL

SOA Details

TTL
SOA Primary NS
15m
SOA Responsible
awsdns-hostmaster.amazon.com
SOA Serial
1
SOA Times
Refresh 2h
Retry 15m
Expire 14d
Minimum TTL 1d

Certificate Authority Authorization

TTL

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
20m
DMARC Percentage

pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).

100
DMARC RUA

Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.

DMARC RUF

Forensic (per-failure) reports. Often omitted for privacy or volume.

DKIM

TTL

No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.

SPF (Sender Policy Framework)

TTL

No SPF TXT record was returned (`v=spf1` / `spf2.0/`). SPF tells receivers which hosts may send mail for this domain; without it, aligned DMARC and spoofing defenses are weaker.

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).

DNSSEC Public Keys

TTL
DNSKEY
257 3 13 VwmBnhG+3I2fLJY0rc4lDisM9OYMCYv2Fx6qn3JWmrgeuSzrNQGp5NKqi8/WKaNySYuqVxsYqMXIO5CIo2ne7w==
20m
DNSKEY
256 3 13 eBtTDtUIobOqlUclk85ZEYY53l0aEDZSJLaAFLWoPq6CbubIFrjUzAFeKq30zyDo+1cGEFUsUT4knh2rJO91QQ==
20m
DNSKEY
256 3 13 lm2OLSZDOYb2nGdRYYcVeXIR13fFTnM6w/0TCy9Z7bI7SHG+xMzYb3DL3/s4xl7v1Xo1AIk8WYRAr6XmfJkUYA==
20m

Delegation Signer

TTL
DS
61310 13 2 29C3A0C45C543ECBC1684D2A92A2EDBDA3611C9757C1009D2BF73F116FC67E04
20m