posthuset.dk DNS records

🖥️ Nameservers2 records 57ms

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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.107	3600s	webcluster2.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	posthuset-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::e 2a01:111:f403:ca48::c 52.101.68.18 52.101.73.1 52.101.73.123 52.101.73.26	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as9pr05cu01302.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	77.111.241.107

🔷 AAAA Records (IPv6)1 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:8058:c044:edfa:4200	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 263ms

TXT Record
apple-domain-verification=BJyuryiuA9SVKwrPdc6NYi32zedIQFeInLXbhrpJDlM
apple-domain-verification=IzXrhPjxyMAXkUQE
google-site-verification=5hU50FEoL0yFpK2WM_keihLGgbJbiZrPfKuSRwtGZrg
google-site-verification=Abir5xYISKQJRAEy2M5ec1MXC7T8mXEIqVBVWqoY6qw
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.posthuset.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC2105ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082104
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-06-22 13:53:23

Field	Value
Registrar	ONE.COM A/S
Registered	2003-06-25
Expires	2032-06-30 (2128d)

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

53ms

MX

43ms

AAAA

55ms

TXT

263ms

CAA

35ms

HTTPS

53ms

TLSA

192ms

SOA

0ms

MTA-STS

62ms

DNSSEC

2105ms

SRV

86ms

Total

2990ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:56:08	2990ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 20:45:31	2020ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 00:38:12	5544ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 13:50:42	1954ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 20:30:31	712ms	2 NS 1 A 1 MX	🔒 Secure	View