1classdj.dk DNS records

🖥️ Nameservers2 records 79ms

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 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.121	600s	webcluster2.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.pub.mailpod8-cph3.one.com	185.164.14.102	mx1.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	600s	mx2.pub.mailpod8-cph3.one.com	185.164.14.103	mx2.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	600s	mx3.pub.mailpod8-cph3.one.com	185.164.14.104	mx3.pub.mailpod8-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 84ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:80cb:377:d373:c14a	600s	—	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 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 163ms

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…

🔐 DNSSEC209ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082001
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

79ms

A

84ms

MX

80ms

AAAA

84ms

TXT

300ms

CAA

70ms

HTTPS

66ms

TLSA

163ms

SOA

0ms

MTA-STS

136ms

DNSSEC

209ms

SRV

138ms

Total

1635ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 21:14:06	1635ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-16 17:00:19	895ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-09 12:08:19	2776ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-03 18:09:25	8692ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-30 03:28:26	812ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-27 20:36:37	765ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-26 20:21:54	941ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-25 19:35:07	1967ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-24 18:11:25	856ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-23 12:55:16	1145ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-21 10:23:40	938ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-19 23:38:01	1621ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-18 22:48:26	8832ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-17 18:53:05	1030ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-16 16:57:34	8735ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-10 14:27:38	6807ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-08 22:53:47	24777ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-06 23:08:23	1145ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-05 21:40:44	2686ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-05 21:26:43	4009ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-04 11:28:50	2578ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-03 10:46:47	566ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-28 13:58:05	1411ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 21:35:33	1140ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-19 12:21:02	3063ms	2 NS 1 A 3 MX	🔒 Secure	View