o1sen.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
cleo.ns.cloudflare.com	108.162.193.89 172.64.33.89 173.245.59.89 2606:4700:58::adf5:3b59 2803:f800:50::6ca2:c159 2a06:98c1:50::ac40:2159	cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
novalee.ns.cloudflare.com	108.162.194.182 162.159.38.182 172.64.34.182 2606:4700:50::a29f:26b6 2803:f800:50::6ca2:c2b6 2a06:98c1:50::ac40:22b6	novalee.ns.cloudflare.com novalee.ns.cloudflare.com novalee.ns.cloudflare.com novalee.ns.cloudflare.com novalee.ns.cloudflare.com novalee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.84	300s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod9-cph3.one.com	185.164.14.118	mx1.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod9-cph3.one.com	185.164.14.119	mx2.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod9-cph3.one.com	185.164.14.120	mx3.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod9-cph3.one.com	185.164.14.124	mx4.pub.mailpod9-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:108:a3:dfaf:eac7:2fd9	300s	—	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 163ms

TXT Record
apple-domain=IScnPYmPy0jklQYQ
have-i-been-pwned-verification=9e5e7c528f3eea459d2a12c7fede2b14
v=spf1 include:_custspf.one.com include:_spf.google.com include:_spf.o1sen.dk include:icloud.com -all

✉️ SPF

Policy	Record (o1sen.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com include:_spf.google.com include:_spf.o1sen.dk include:icloud.com -all

📨 DMARC

Policy	Record (_dmarc.o1sen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:yg4rnl3t@ag.dmarcian-eu.com; ruf=mailto:yg4rnl3t@fr.dmarcian-eu.com; fo=1;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:yg4rnl3t@tls.eu.dmarcian.com

📜 CAA Records11 records 37ms

Flags	Tag	Value
0	iodef	mailto:security@o1sen.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.o1sen.dk	Fneau_uBzHpTQ0x3x4Fs2_yA3pB63NsBS9nIlnwlfFk

🔗 TLSA / DANE4 records 63ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	45270A69B37BD0C454F2B3E54CC89AD7…
SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	45270A69B37BD0C454F2B3E54CC89AD7…
SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	45270A69B37BD0C454F2B3E54CC89AD7…
SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	45270A69B37BD0C454F2B3E54CC89AD7…

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2413693020
Primary NS (MNAME)	cleo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

38ms

MX

27ms

AAAA

27ms

TXT

163ms

CAA

37ms

HTTPS

36ms

TLSA

63ms

SOA

0ms

MTA-STS

43ms

DNSSEC

104ms

SRV

55ms

Total

1902ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 00:44:37	1902ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-30 21:02:02	1300ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-19 21:19:20	1467ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-16 06:55:42	5453ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-12 13:51:21	9349ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-01 19:46:48	1269ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-19 10:46:33	1306ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-30 18:16:48	1696ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 19:44:10	1250ms	2 NS 1 A 4 MX	🔒 Secure	View