smtpfilter.dk

📜 Historical scan 2026-06-19 22:01:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

smtpfilter.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 3 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.114.38 is hosted by FIBIA P/S (AS44869) in Denmark. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 107ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5 2001:67c:192c::add:5	helium.ns.hetzner.de helium.ns.hetzner.de	AS12337 noris network AG AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.209.114.38	3600s	80.209.114.38.static.fibianet.dk	AS44869	FIBIA P/S	80.209.0.0/17	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	smtpfilter.dk.smtpfilter.dk
🔶 Autoconfig	smtpfilter.dk.smtpfilter.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 03:55:56

www

SERVFAIL

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.smtpfilter.dk	smtpfilter.dk.smtpfilter.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

140ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'smtpfilter.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

74ms

Field	Value
Serial	2025122500
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-15 03:45:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-03-03
Expires	2027-03-31 (161d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
erm.dk	Punktum dk A/S (direct)
websecure.dk	Punktum dk A/S (direct)
zog.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

107ms

59ms

82ms

AAAA

69ms

TXT

485ms

CAA

71ms

HTTPS

90ms

TLSA

107ms

SOA

74ms

MTA-STS

229ms

DNSSEC

140ms

SRV

373ms

Total

808ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:55:56	465ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-27 01:33:41	2455ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-03 02:13:59	1722ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-28 02:13:56	759ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-19 22:01:04 shown	808ms	3 NS 1 A 0 MX	⚠️ Bogus
2026-06-17 14:04:56	2053ms	3 NS 1 A 0 MX	🔓 Insecure