hærens-officersskole.dk DNS records

🖥️ Nameservers5 records 87ms

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 55ms

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 Records2 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	relay1.netnames.net	185.26.230.83	relay1.netnames.net	AS34922 CSC Administrative Services Limited
10	14400s	relay2.netnames.net	185.26.230.89	relay2.netnames.net	AS34922 CSC Administrative Services Limited

🔷 AAAA Records (IPv6)2 records 67ms

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 231ms

TXT Record
v=spf1 mx -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.hærens-officersskole.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)

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2025035772
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

87ms

A

55ms

MX

72ms

AAAA

67ms

TXT

231ms

CAA

66ms

HTTPS

48ms

TLSA

1075ms

SOA

0ms

MTA-STS

61ms

DNSSEC

86ms

SRV

63ms

Total

1776ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-07 20:41:40	1776ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-09-04 13:36:29	1388ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-08-27 13:04:17	1112ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-08-24 20:10:43	1655ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-08-20 20:33:26	10058ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-08-13 19:08:32	1200ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-08-06 22:08:55	8939ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-07-23 13:17:32	1032ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-07-17 22:35:30	1876ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-07-12 09:26:10	1400ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-07-03 14:15:28	9392ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-06-27 13:10:41	1060ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-06-24 14:15:48	2803ms	5 NS 2 A 2 MX	⚠️ Bogus	View
2026-06-22 12:41:08	317ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:55:32	727ms	5 NS 2 A 2 MX	🔒 Secure	View
2026-06-17 14:14:26	948ms	5 NS 2 A 2 MX	🔒 Secure	View