DNS Gurus
9 records

IPv4 Addresses

TTL

IPv6 Addresses

TTL

Name Servers

TTL

Mail Servers

TTL
MX — 10
mail01.srv.j3f.de
2m

SOA Details

TTL
SOA Primary NS
shades02.rzone.de
2m
SOA Responsible
hostmaster.strato-rz.de
SOA Serial
2020051931
SOA Times
Refresh 1d
Retry 2h
Expire 7d
Minimum TTL 5m

Certificate Authority Authorization

TTL

No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.

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
2m
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
2m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApZfmw0G77+Ua...

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass a
—
+ Pass mx
—
~ Softfail all
—
2m

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).