IPv4 Addresses

TTL

Name Servers

TTL

Mail 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
5m
DMARC Subdomain Policy

Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.

none quarantine reject
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
DKIM Selector google
v=DKIM1 k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcA+JuiOpn9fbfQ4PX...
DKIM Selector zendesk2
v=DKIM1 k=rsa
9m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmiSFNkgXrO3I...
DKIM Selector zendesk1
v=DKIM1 k=rsa
9m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9IqdLrO3Zr2/...

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass include
+ Pass include
+ Pass include
+ Pass include
+ Pass include
~ Softfail all
20m

MTA-STS

TTL
v=STSv1; id=20231015151700
View
5m

Text Content

TTL
MS=5E2743BC983CC39B4B1A40BD4A88D6580D3F7CBE
20m
MS=ms42290319
20m
MS=ms74629612
20m
anthropic-domain-verification-cst5za=sxnUFJlJLyG6JxK63TE3l2oND
20m

DNSSEC Public Keys

TTL
DNSKEY
256 3 13 El0pz00VShBLbeQ0aC2s0uY+L5U3ocDFdiKJIhf+xYUS85jf6t/CEvkqCIZhdpjj2JH1EpIntdu86INS7An2+Q==
20m
DNSKEY
256 3 13 ytDcWkIOxHYvSO6VhSC6Tx4Lq6G8bE5h+oIeK7D89903IRZxInUfwZxabSpbi9TLcSxDXP/zYJK8U+2gG/G1wg==
20m
DNSKEY
257 3 13 2y7XtakVlQOSlJ+o5FTqh3NbWV4Blfdj7BQZJAuwCODSrKg11YPVJ/kBVSXfP4Yrban/pZ8eMWS0ekjVU/c05A==
20m

Delegation Signer

TTL
DS
29376 13 2 F6A7FBA79E767012AD2EC6006C8E0EF35271A965107B6E4E61DCA1AD12F82CB5
20m