duck.dk DNS records

🖥️ Nameservers2 records 204ms

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 22ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.175	3600s	webcluster48.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod14-cph3.one.com	185.10.9.212	mx1.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod14-cph3.one.com	185.10.9.213	mx2.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod14-cph3.one.com	185.10.9.214	mx3.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod14-cph3.one.com	185.10.9.215	mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	77.111.240.175
🔶 Autoconfig	77.111.240.175

🔷 AAAA Records (IPv6)1 records 22ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:8079:2349:3d85:c2e7	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 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 / DANE4 records 1050ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…

🔐 DNSSEC94ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082902
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

204ms

A

22ms

MX

25ms

AAAA

22ms

TXT

128ms

CAA

27ms

HTTPS

32ms

TLSA

1050ms

SOA

0ms

MTA-STS

50ms

DNSSEC

94ms

SRV

47ms

Total

1655ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 07:07:13	1655ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-29 02:02:19	662ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 00:59:10	954ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-01 05:57:46	6147ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-26 16:06:31	4865ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-25 15:30:23	4937ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-17 22:31:21	4999ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 00:44:59	738ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 04:55:16	686ms	2 NS 1 A 4 MX	🔒 Secure	View