IPv4 Addresses

TTL

IPv6 Addresses

TTL

Name Servers

TTL

Mail Servers

TTL
5m

SOA Details

TTL
SOA Primary NS
10m
SOA Responsible
hostmaster.rackspeed.de
SOA Serial
2026042404
SOA Times
Refresh 1h
Retry 10m
Expire 14d
Minimum TTL 10m

Certificate Authority Authorization

TTL

DMARC

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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.

No aggregate report URIs (RUA).
DMARC RUF

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

No forensic report URIs (RUF).

DKIM

TTL
DKIM Selector dkim
v=DKIM1 k=rsa
5m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuhdMcpwj98xp...
DKIM Selector k2
v=DKIM1 k=rsa
14m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOw...
DKIM Selector k3
v=DKIM1 k=rsa
14m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUq...

SPF (Sender Policy Framework)

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

MTA-STS

TTL
v=STSv1; id=20240618132934Z
View
5m

Text Content

TTL
apple-domain-verification=52TsSsL7Rhv6AGTY
5m
google-site-verification=okxLvjalSdq35GimrfPvQdPrHNVGrJewodcTgBGZXSQ
5m