responder.dk DNS records

🖥️ Nameservers2 records 34ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.229	3600s	webcluster2.webpod18-cph3.g1i.one	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:108:8029:ba1c:b48a:7eb9	3600s	—	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 Records1 records 163ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.responder.dk)
p=reject	v=DMARC1; p=reject

📬 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 78ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC90ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026081501
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

34ms

A

34ms

MX

40ms

AAAA

45ms

TXT

163ms

CAA

38ms

HTTPS

41ms

TLSA

78ms

SOA

0ms

MTA-STS

46ms

DNSSEC

90ms

SRV

59ms

Total

711ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:21:12	711ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-16 03:20:37	2462ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-14 13:32:12	5341ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-12 19:11:34	8748ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-26 14:14:23	615ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 13:57:41	9739ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 13:44:52	2672ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 11:21:41	700ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 04:54:38	801ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-20 23:07:42	9694ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 22:53:24	1017ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 19:33:16	9719ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 18:13:33	8679ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-14 09:54:39	8601ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-11 08:38:39	658ms	1 NS 0 A 0 MX	❓ Unknown	View