257.dk DNS records

🖥️ Nameservers2 records 38ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod8-cph3.one.com	185.164.14.102	mx1.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod8-cph3.one.com	185.164.14.103	mx2.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod8-cph3.one.com	185.164.14.104	mx3.pub.mailpod8-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 / DANE3 records 70ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082101
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

38ms

A

38ms

MX

41ms

AAAA

36ms

TXT

159ms

CAA

30ms

HTTPS

65ms

TLSA

70ms

SOA

0ms

MTA-STS

55ms

DNSSEC

87ms

SRV

67ms

Total

584ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:10:09	584ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-24 07:15:27	4821ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-22 05:15:01	1196ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-22 08:22:57	16831ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-27 00:41:10	1159ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-24 03:21:41	721ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 16:30:25	1190ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 11:42:07	950ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 08:56:01	1112ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 04:21:58	1285ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 12:52:10	1915ms	2 NS 1 A 3 MX	🔒 Secure	View