IPv4 Addresses

TTL

Name Servers

TTL
20m
20m
20m
20m

Mail Servers

TTL

SOA Details

TTL
SOA Primary NS
20m
SOA Responsible
operator.mcx.nl
SOA Serial
2024076891
SOA Times
Refresh 4h
Retry 1h
Expire 7d
Minimum TTL 1h

Certificate Authority Authorization

TTL
CAA —
0 iodef mailto:[email protected]
20m
CAA —
0 issue kpn.com
20m

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 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 selector1
v=DKIM1 k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+hLQ8RR1r8ZIiyUcS...

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass mx
—
+ Pass a
—
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip4
+ Pass ip6
+ Pass ip6
+ Pass ip6
+ Pass ip6
+ Pass ip6
+ Pass ip6
+ Pass ip6
+ Pass ip6
+ Pass ip6
+ Pass include
+ Pass include
+ Pass include
- Fail all
—
20m

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).

Text Content

TTL
google-site-verification=jbFT3kAFGO1dh_zsiqNHYYZTFtiXAzZ2UzQtu_H86MY
20m

DNSSEC Public Keys

TTL
DNSKEY
256 3 8 AwEAAbnmqHcdg9vyxCmHqmaNKSNbHDcazki0mr94YSxcRcBhuKvxlphnIIlqy0W3ob8pttAldTjxsSGKlAsKW7OiepjoSxFtxxQFf/vWVTSwyxi49MHupByI+ezVpdxIttbBJKX0oZRvxH4rByuSJj5hbHNh1i1+9LrcyPGp70BwooX/2uDigJyQ5PRak4UdY4wf7vteE+GQ1ww213dIp6vAykI7zG7zh5XIMA7Hyoh5MnuS3tM8KoTiQMa4huY4ceh3ZZWUIRauo+zJIpaIdHgXRuWFQmizy1XWLAyBmbf6LAvjkOvsyqh1bl5Dj1eT2iySvpVId3DOR0S6f4MeRjAfiO8=
20m
DNSKEY
257 3 8 AwEAAdK6mmYjvsoSNPjt3jDJYT2ecTOVjyTpwvw7hCeXNfDV86oO+QKmoKc/DJxnUjfCFkWj3eBlIlF4rT4Gqh5FLRynypD4ucIV+bPlqDwQg/W3QxexT6pD4IyZwo2KGvVMhOUBVksA3GoJ7IxeBGBgaec3d6Ws9I63dByULSL+PdjDOy9wkI4sPaxa4JxfDlC7xTmFyz9Bamecv0K5nlY1yClC9axQ2b7i3bdLFVcaoaUtC0Q02R+wILQ/LPsjtSame7vaSNWZDeRKeMWPgXPXOIKkZaC/C1g9hf13JCpC1PFHzX+CTGk6ifnCtAvlw7OcIn6qamVOEZcE/34ghgwq0+s=
20m

Delegation Signer

TTL
DS
56824 8 2 34835784F86AFFC935AC82B6FFC2E45C7556B771F5DE4293DFCDF058A320C7B9
20m

DNSSEC Next Secure

TTL
NSEC
_dmarc.mcx.nl ["DNSKEY", "NSEC", "RRSIG", "TXT", "MX", "SOA", "NS", "A", "CAA"]
20m