sefo.dk

📜 Historical scan 2026-08-17 05:33:11  ·  ← Latest scan
🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sefo.dk is a registered .dk domain whose nameservers (ns1.ascio.net, ns2.ascio.net, ns3.ascio.net) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 4 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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   518ms
NameserverIP addressesPTRASN / ISP
ns1.ascio.net 156.154.130.100
2610:a1:1022::100		 ns2.euro909.com
dns1.cscdns.net		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
ns2.ascio.net 156.154.131.100
2610:a1:1023::100		 ns3.domainnetwork.com
ns3.euro909.com		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
ns3.ascio.net 156.154.130.100
2610:a1:1022::100		 ns1.euro909.com
ns2.euro909.com		 AS12008 Vercara, LLC
AS12008 Vercara, LLC

🌍 A Records#

🌍
No A records found

📧 MX Records#

📧
No MX records found

🔷 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

603ms
CheckResult
Validation Status❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-24 14:07:07
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2007-01-04
Expires2027-01-31 (98d)

🔗 Same registrant#

48 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).

DomainRegistrar
bandagist-fal.dkA/S SCANNET
bandagisternesfagforening.dkA/S SCANNET
bandagistfagforening.dkA/S SCANNET
bandagistfal.dkA/S SCANNET
civileidkf.dkA/S SCANNET
danskelodser.dkA/S SCANNET
ditforbund.dkPunktum dk A/S (direct)
ditserviceforbund.dkPunktum dk A/S (direct)
fagforeningvagt.dkEurodns S.A
fagligpuls.dkA/S SCANNET
fcdf.dkA/S SCANNET
folketingetsbetjente.dkA/S SCANNET
foreningerneshus.dkA/S SCANNET
fs-a.dkPunktum dk A/S (direct)
funktionaerakasse.dkPunktum dk A/S (direct)
funktionaerforbundet.dkPunktum dk A/S (direct)
funktionærakasse.dkPunktum dk A/S (direct)
funktionærerne.dkPunktum dk A/S (direct)
fysiofagforening.dkA/S SCANNET
fysioterapeutfagforening.dkA/S SCANNET
fysioterapifagforening.dkA/S SCANNET
kff.dkEurodns S.A
kriminalforsorgsforeningen.dkA/S SCANNET
mit-solo.dkA/S SCANNET
mitforbund.dkPunktum dk A/S (direct)
mitserviceforbund.dkPunktum dk A/S (direct)
okuf.dkPunktum dk A/S (direct)
optikerneskompetencefond.dkPunktum dk A/S (direct)
optikerneskompetenceudviklingsfond.dkPunktum dk A/S (direct)
raffinaderitekniker.dkA/S SCANNET
raffinaderiteknikker.dkA/S SCANNET
serviceakasse.dkPunktum dk A/S (direct)
servicefagenes.dkPunktum dk A/S (direct)
serviceforbund.dkPunktum dk A/S (direct)
servicefunktionaererne.dkPunktum dk A/S (direct)
solo-selvstaendig.dkA/S SCANNET
tandteknikerforeningen.dkPunktum dk A/S (direct)
tillidsvalgte.dkA/S SCANNET
ukraineforfolket.dkA/S SCANNET
uol.dkEurodns S.A
urff.dkPunktum dk A/S (direct)
vagt-fagforening.dkEurodns S.A
vagternesfagforening.dkEurodns S.A
vagtfagforening.dkEurodns S.A
vagtforbund.dkEurodns S.A
vagtforbundet.dkEurodns S.A
voresserviceforbund.dkPunktum dk A/S (direct)
vsl.dkA/S SCANNET
📋 WHOIS#

⏱️ Lookup Timing#

NS
518ms
A
501ms
MX
533ms
AAAA
506ms
TXT
1809ms
CAA
469ms
HTTPS
514ms
TLSA
305ms
SOA
215ms
MTA-STS
550ms
DNSSEC
603ms
SRV
539ms
Total
4077ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-25 04:33:43 2482ms 3 NS 0 A 0 MX ❓ Unknown
2026-09-17 13:22:33 10806ms 3 NS 0 A 0 MX ❓ Unknown
2026-09-12 03:52:39 10863ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-31 13:34:10 11004ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-23 11:03:59 4996ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-22 09:46:18 9490ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-21 09:37:01 7259ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-20 08:25:35 11081ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-19 08:18:38 11084ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-18 07:38:36 17053ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-17 05:33:11 shown 4077ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-15 12:23:20 6067ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-14 09:16:09 4572ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-12 15:15:36 4120ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-10 12:59:18 11128ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-09 11:22:54 8972ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-06 19:37:04 11154ms 3 NS 0 A 0 MX ❓ Unknown
2026-08-01 00:58:27 1253ms 3 NS 0 A 0 MX ❓ Unknown
2026-07-27 05:25:53 17168ms 3 NS 0 A 0 MX ❓ Unknown
2026-07-26 04:59:12 1386ms 3 NS 0 A 0 MX ❓ Unknown
2026-07-25 04:41:41 2948ms 3 NS 0 A 0 MX ❓ Unknown
2026-07-24 03:35:18 1314ms 3 NS 0 A 0 MX ❓ Unknown
2026-07-23 03:14:25 1621ms 3 NS 0 A 0 MX ❓ Unknown
2026-07-22 00:51:21 1388ms 3 NS 0 A 0 MX ❓ Unknown
2026-07-20 15:43:01 9379ms 3 NS 0 A 0 MX ❓ Unknown
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