IPv4 Addresses

TTL

Name Servers

TTL

Mail Servers

TTL
5m
5m

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
5m
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
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass include
- Fail all
1m

MTA-STS

TTL
v=STSv1; id=20240731T190529;
View
1m

Text Content

TTL
MS=ms86781744
1m
TXT
9cddf3cd9cb94411a715e9b1eed12add
1m