harder-net.dk DNS records

🖥️ Nameservers2 records 29ms

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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.49	3600s	webcluster2.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 29ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.215.49
🔶 Autoconfig	46.30.215.49

🔷 AAAA Records (IPv6)1 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:808e:2ecb:a7be:5c7d	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 Records1 records 160ms

TXT Record
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (harder-net.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

📨 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 66ms

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…

🔐 DNSSEC2046ms

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

🏷️ SOA12ms

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

29ms

A

29ms

MX

29ms

AAAA

31ms

TXT

160ms

CAA

30ms

HTTPS

29ms

TLSA

66ms

SOA

12ms

MTA-STS

42ms

DNSSEC

2046ms

SRV

44ms

Total

6762ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-21 13:36:29	6762ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-13 10:16:47	8964ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-04 19:13:37	1634ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 00:06:08	837ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 22:45:35	582ms	2 NS 1 A 4 MX	⚠️ Bogus	View
2026-06-17 11:05:03	1294ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 11:02:51	944ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 11:01:16	1683ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 10:57:45	1180ms	2 NS 1 A 4 MX	🔒 Secure	View