duer.dk DNS records

🖥️ Nameservers2 records 42ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.88	3600s	webcluster1.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod14-cph3.one.com	185.10.9.212	mx1.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod14-cph3.one.com	185.10.9.213	mx2.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod14-cph3.one.com	185.10.9.214	mx3.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod14-cph3.one.com	185.10.9.215	mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:c0:d818:5f93:8d12	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 Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 / DANE4 records 92ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082602
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

42ms

A

50ms

MX

61ms

AAAA

65ms

TXT

180ms

CAA

43ms

HTTPS

49ms

TLSA

92ms

SOA

0ms

MTA-STS

61ms

DNSSEC

86ms

SRV

66ms

Total

735ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 17:48:41	735ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-26 18:36:29	575ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-21 08:28:05	6775ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-22 00:53:03	1144ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 02:07:25	616ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 19:03:08	716ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 06:44:38	669ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 04:54:28	1208ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 16:35:09	941ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 06:11:09	693ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 23:02:49	1381ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 07:05:52	2607ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 04:55:31	2839ms	2 NS 1 A 4 MX	🔒 Secure	View