retpen.dk DNS records

🖥️ Nameservers2 records 51ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.117	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	retpen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 2a01:111:f403:ca48::a 52.101.68.15 52.101.73.12 52.101.73.16 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24
🔶 Autoconfig	46.30.213.117

🔷 AAAA Records (IPv6)1 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:80a9:c4a6:3215:bc38	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 Records3 records 178ms

TXT Record
google-site-verification=BsMvNOGpSrq8QhM6eNLpaEtjIQ3BWyIMRdqYe5NNbeU
linkedin-site-verification=b5421cb1-9ddf-4b02-822e-08e79ffddd6e
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.retpen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:claus@retpen.dk; ruf=mailto:claus@retpen.dk; fo=1

📬 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)

🔐 DNSSEC78ms

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

🏷️ SOA34ms

Field	Value
Serial	2026070405
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

51ms

A

45ms

MX

50ms

AAAA

41ms

TXT

178ms

CAA

50ms

HTTPS

52ms

TLSA

312ms

SOA

34ms

MTA-STS

179ms

DNSSEC

78ms

SRV

180ms

Total

4867ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 18:53:51	4867ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 13:44:19	5726ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 22:29:05	2121ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 13:29:35	719ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:42:54	2272ms	2 NS 1 A 1 MX	🔒 Secure	View