21752754.dk DNS records

🖥️ Nameservers2 records 60ms

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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.166	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 66ms

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)1 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:8030:7547:c952:d5fc	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 183ms

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

✉️ SPF

Policy	Record (21752754.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.21752754.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@21752754.dk; ruf=mailto:postmaster@21752754.dk; fo=1

📬 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 197ms

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…

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081705
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

60ms

A

57ms

MX

66ms

AAAA

59ms

TXT

183ms

CAA

52ms

HTTPS

55ms

TLSA

197ms

SOA

0ms

MTA-STS

66ms

DNSSEC

96ms

SRV

70ms

Total

1008ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:52:22	1008ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-18 10:42:52	1050ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-07 13:13:00	929ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-23 03:06:21	4886ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-20 10:33:43	32872ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-08 10:31:08	9114ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 06:36:00	982ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 03:22:25	1119ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 00:08:11	1057ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:27:02	11857ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 13:12:49	927ms	2 NS 1 A 4 MX	🔒 Secure	View