opda.dk DNS records

🖥️ Nameservers2 records 37ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
199.36.158.100	3600s	—	AS54113	Fastly, Inc.	199.36.158.0/24	🇺🇸 United States	—

📧 MX Records4 records 127ms

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 Records2 records 159ms

TXT Record
google-site-verification=T05leNajTLA_5gSTQNxAV_CPLzV_7OsMI2JJnfKLfBY
hosting-site=opda-hosting

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.opda.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:hej@opda.dk; ruf=mailto:hej@opda.dk

📬 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 178ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC78ms

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

🏷️ SOA39ms

Field	Value
Serial	2026061101
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

37ms

A

39ms

MX

127ms

AAAA

34ms

TXT

159ms

CAA

34ms

HTTPS

39ms

TLSA

178ms

SOA

39ms

MTA-STS

38ms

DNSSEC

78ms

SRV

101ms

Total

771ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:26:28	811ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-26 05:54:26	1081ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-22 14:01:19	5070ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-11 10:35:09	4337ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-15 01:55:05	8858ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-10 09:26:34	4843ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-05 22:13:45	825ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 20:15:32	1623ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 20:06:46	771ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 08:06:54	560ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 13:58:21	2116ms	2 NS 1 A 4 MX	🔒 Secure	View