IPv4 Addresses

TTL

Name Servers

TTL

Mail Servers

TTL
20m
20m
20m
20m

SOA Details

TTL
SOA Primary NS
20m
SOA Responsible
hostmaster.3ict.nl
SOA Serial
2025123745
SOA Times
Refresh 3h
Retry 1h
Expire 7d
Minimum TTL 1h

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
20m
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
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmSdfzLyx54xf...

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass ip4
+ Pass include
+ Pass include
+ Pass include
+ Pass include
+ Pass include
+ Pass ip4
+ Pass include
+ Pass include
+ Pass ip6
~ Softfail 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
duo_sso_verification=EwZ4966RJJk02SvkbSTBJyAZ9HsaY9WWV7izNmuOd6ZnkaRBowGfgwQmZFpxmEbL
20m
google-site-verification=5op7fbMcJNN1lPXeDgBXTDWKc1bwIaFP5FLk01fS1XE
20m
google-site-verification=rL3VTloCryYp5E73redAaRqX__bgKe9zgvy_BmxckUc
20m
google-site-verification=sozs9FNEYU2B7Kw1aQBbka7IqPIGEg9Xx4MXzdx1HwA
20m
sophos-domain-verification=2b6d1a1cd8afed80d83b80a19f5ff772d453427a
20m
status-page-domain-verification=732xkcngqmpc
20m
TXT
471e016ab21ab7a77bd2404497d36151
20m

DNSSEC Public Keys

TTL
DNSKEY
256 3 13 8R5JUVhQgsDjSjdveCnSr7PmJSsw7nLH+SMcvHStzRIVXO/e/zefCMBNErsgAxvAksfe38+EoEdDNP3TSa8m8A==
20m
DNSKEY
257 3 13 tcZhkaz0kkHcL4VBiPVLho4KMUF3eLeAAaQPNoChJODgZVyTNeaN6OMwPWD2rYIYhgZTEofQTeLjA5iEC/tkZw==
20m

Delegation Signer

TTL
DS
27136 13 2 05E546C3C725D56E8795BAA7F8B71A147B6951314E1E14BD186549030E29C804
20m