dukan.dk DNS records

🖥️ Nameservers2 records 71ms

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 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records4 records 67ms

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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 322ms

TXT Record
facebook-domain-verification=zr5qvzxlv7wa7madnu6gog1k0q0yui

✉️ 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 119ms

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…

🔐 DNSSEC234ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081905
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

71ms

A

69ms

MX

67ms

AAAA

74ms

TXT

322ms

CAA

83ms

HTTPS

79ms

TLSA

119ms

SOA

0ms

MTA-STS

89ms

DNSSEC

234ms

SRV

175ms

Total

1763ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 13:36:20	1763ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-19 06:06:13	5142ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-05 12:23:33	1025ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-05 18:22:12	2047ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 15:21:59	642ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 23:22:14	552ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 06:26:20	1025ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 09:31:55	1193ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 05:18:14	2406ms	2 NS 1 A 4 MX	⚠️ Bogus	View
2026-06-17 05:10:20	11473ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 05:07:52	650ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 05:01:18	722ms	2 NS 1 A 4 MX	🔒 Secure	View