langkaer.dk

📜 Historical scan 2026-07-21 04:37:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

langkaer.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.66.84.59 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx12.comendosystems.com, mx6.comendosystems.net. The zone is DNSSEC-signed and validates, publishes a 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records#

1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.66.84.59	300s	—	AS47292	Sentia Denmark A/S	77.66.80.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx12.comendosystems.com	192.162.219.155 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx6.comendosystems.net	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 107ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

5 records 183ms

TXT Record
google-site-verification=HtS83kX62g4nPUrXGy5a2y7ZODPyOoh19RfU9Uy5vZU
MS=ms35836709
MS=ms87502097
SOA=1708684531
v=spf1 -all

✉️ SPF#

Policy	Record (langkaer.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.langkaer.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:62b3331b5a414@dmarc.centerasecurity.com;

📬 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 2026-10-18 11:31:38

www	SERVFAIL
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

14ms

Field	Value
Serial	2024092208
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 11:51:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-02-16
Expires	2027-03-31 (163d)

🔗 Same registrant#

13 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
aarhus-college.dk	Punktum dk A/S (direct)
aarhus-gymnasium.dk	Punktum dk A/S (direct)
aarhusgymnasium.dk	Punktum dk A/S (direct)
aarhustech.dk	Punktum dk A/S (direct)
aarhustekniskeskole.dk	Punktum dk A/S (direct)
amu-aarhustech.dk	Punktum dk A/S (direct)
ats-skpdatait.dk	Punktum dk A/S (direct)
epxiaarhus.dk	DANDOMAIN A/S
htxpressen.dk	Punktum dk A/S (direct)
htxviby.dk	Punktum dk A/S (direct)
århus-gymnasium.dk	Punktum dk A/S (direct)
århusgymnasium.dk	Punktum dk A/S (direct)
århustech.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

26ms

AAAA

27ms

TXT

183ms

CAA

43ms

HTTPS

28ms

TLSA

261ms

SOA

14ms

MTA-STS

70ms

DNSSEC

54ms

SRV

107ms

Total

5177ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 11:31:38	952ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-17 10:31:48	4366ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-16 09:32:23	9554ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-15 08:22:22	40542ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-10 03:26:59	781ms	3 NS 1 A 2 MX	❓ Unknown
2026-10-08 12:01:15	1078ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-02 06:38:49	802ms	3 NS 1 A 2 MX	❓ Unknown
2026-10-01 06:37:56	797ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-29 14:50:24	4244ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-29 09:17:44	1401ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-24 07:01:15	2105ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-22 08:25:17	2833ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-16 23:02:32	1285ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-11 06:52:31	1485ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-09 01:36:14	1356ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-07 00:49:52	1472ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-31 07:32:51	1259ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-27 01:21:28	670ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-22 09:01:23	13676ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-20 07:53:30	3048ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-14 15:02:23	5620ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-09 03:27:04	3031ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-03 01:03:25	11048ms	3 NS 1 A 2 MX	🔒 Secure
2026-07-28 04:54:45	3415ms	3 NS 1 A 2 MX	🔒 Secure
2026-07-22 22:56:22	4949ms	3 NS 1 A 2 MX	🔒 Secure