31.dk DNS records

🖥️ Nameservers2 records 15ms

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 7ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
66.6.44.4	43200s	—	AS2635	Automattic, Inc	66.6.40.0/21	🇺🇸 United States	Ashburn

📧 MX Records4 records 7ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.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	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.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 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 157ms

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…

🔐 DNSSEC117ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	tLHH/LfB7Rltqfzu5JTuZUxOvaWRstKC9Oq8TDng…
ZSK	ECDSA P-256/SHA-256	dBOLeXvfPTQHmhRi5MwMojRk5FCx0X7PJCLHkDQ6…

🏷️ SOA5ms

Field	Value
Serial	2026030601
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

15ms

A

7ms

MX

7ms

AAAA

20ms

TXT

59ms

CAA

6ms

HTTPS

23ms

TLSA

157ms

SOA

5ms

MTA-STS

13ms

DNSSEC

117ms

SRV

0ms

Total

1603ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 16:27:22	1603ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-26 17:49:26	5524ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-20 20:49:14	5277ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-05 00:45:00	2396ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 10:01:35	2033ms	2 NS 1 A 4 MX	⚠️ Bogus	View
2026-06-23 07:28:15	941ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 01:56:52	1801ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 12:46:15	1100ms	2 NS 1 A 4 MX	🔒 Secure	View