hærensofficersskole.dk DNS records

🖥️ Nameservers5 records 24ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.22.145.121	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—
5.22.145.16	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:18e0:5:2:7577:4e4d:413b:f507	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—
2a00:18e0:5:3:dfe2:c743:85aa:61bc	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 150ms

TXT Record
v=spf1 mx -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.hærensofficersskole.dk)
p=reject	v=DMARC1; p=reject; sp=reject;

📬 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)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2025035771
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

24ms

A

29ms

MX

37ms

AAAA

31ms

TXT

150ms

CAA

33ms

HTTPS

32ms

TLSA

303ms

SOA

0ms

MTA-STS

43ms

DNSSEC

101ms

SRV

39ms

Total

747ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:36:25	747ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-20 09:33:19	1654ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-13 04:03:07	1171ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-06 09:34:54	926ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-03 19:16:13	8950ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 19:33:15	8935ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-16 13:53:24	1083ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-09 23:08:13	1199ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-03 13:44:21	775ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-25 15:16:04	810ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-22 19:43:46	916ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 00:51:08	691ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-18 21:14:56	762ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 14:13:01	816ms	5 NS 2 A 0 MX	🔒 Secure	View