oha.dk DNS records

🖥️ Nameservers2 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	600s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	oha-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::f 52.101.68.29 52.101.68.39 52.101.73.28 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	91.197.248.249

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records10 records 298ms

TXT Record
6nu19njintlmp9bhbd9gp4g2n7
7nbfa4a55q6n3moqosi7vs95a2
bf06pmlgkvgba2cniak94198np
c6qbo7abcalt44dijhlpmru1jk
google-site-verification=hOsGll76CzMGGFN9redTgOGMFcop9OkBFKNKukAc1i8
google-site-verification=LprWZmACMXyaMSVPUcEMG8KEl7PTn4RemZm2GbUj0s4
MS=ms98474163
openai-domain-verification=dv-4RMf6nXPGw5BUsgNRzNu4ER2
openai-domain-verification=dv-8Mm5930Gp6CKj2eTbY87cpJq
v=spf1 include:spf.rpost.net include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (oha.dk)
-all (hard fail)	v=spf1 include:spf.rpost.net include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.oha.dk)
p=reject	v=DMARC1; p=reject; sp=none; rua=mailto:nscpijhlo2@rua.powerdmarc.com; ruf=mailto:nscpijhlo2@ruf.powerdmarc.com; fo=1; t=n;

📬 MTA-STS236ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	20240310203410334854
Policy MX	—

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:nscpijhlo2@tls.powerdmarc.com

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.oha.dk	ESldc3Ubwi1yA8ObrtqpahsIThulAbbLQl__X1MRBpQ

🔗 TLSA / DANE

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

🔐 DNSSEC89ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

48ms

A

38ms

MX

48ms

AAAA

39ms

TXT

298ms

CAA

38ms

HTTPS

60ms

TLSA

748ms

SOA

0ms

MTA-STS

236ms

DNSSEC

89ms

SRV

82ms

Total

1434ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 07:13:32	1434ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 00:49:06	1313ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 08:14:12	4618ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 16:20:33	1234ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 11:52:33	7372ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 23:47:21	1909ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 18:48:33	1680ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 15:23:30	774ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:17:55	2782ms	2 NS 1 A 1 MX	🔒 Secure	View