langkaer.dk DNS records

🖥️ Nameservers3 records 32ms

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 Records1 records 29ms

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 Records2 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 Records1 records 84ms

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

📝 TXT Records5 records 106ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2024092218
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

32ms

A

29ms

MX

26ms

AAAA

28ms

TXT

106ms

CAA

28ms

HTTPS

29ms

TLSA

307ms

SOA

0ms

MTA-STS

38ms

DNSSEC

98ms

SRV

84ms

Total

1259ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 07:32:51	1259ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 01:21:28	670ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-22 09:01:23	13676ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-20 07:53:30	3048ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-14 15:02:23	5620ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-09 03:27:04	3031ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-03 01:03:25	11048ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-28 04:54:45	3415ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-22 22:56:22	4949ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-21 04:37:27	5177ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-18 23:11:20	14054ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-17 21:48:23	4863ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-16 01:05:42	4063ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-04 23:06:39	1606ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-02 13:51:08	8518ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 05:46:30	595ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 08:36:02	928ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 07:40:28	5027ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 18:16:36	1213ms	3 NS 1 A 2 MX	🔒 Secure	View