gkb.dk DNS records

🖥️ Nameservers2 records 76ms

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 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.63	3600s	webforward.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 243ms

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

✉️ SPF

Policy	Record (gkb.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.gkb.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:morten@gkbmachines.com; ruf=mailto:morten@gkbmachines.com

📬 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 96ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC204ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082502
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

76ms

A

75ms

MX

60ms

AAAA

101ms

TXT

243ms

CAA

82ms

HTTPS

105ms

TLSA

96ms

SOA

0ms

MTA-STS

104ms

DNSSEC

204ms

SRV

120ms

Total

1019ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 06:35:57	1019ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-24 13:20:08	1003ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-07 05:29:24	895ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-23 22:02:09	6732ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-17 08:26:18	1204ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-10 08:11:09	29051ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-06-28 08:04:45	676ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 18:38:29	975ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 10:31:23	764ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 10:30:55	656ms	2 NS 1 A 4 MX	🔒 Secure	View