c-communication.dk DNS records

🖥️ Nameservers2 records 104ms

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 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.74	3600s	webcluster1.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 103ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	77.111.241.74
🔶 Autoconfig	77.111.241.74

🔷 AAAA Records (IPv6)1 records 107ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:55:1ff6:bd5:3718	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 427ms

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

✉️ SPF

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

📨 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 281ms

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…

🔐 DNSSEC267ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

104ms

A

72ms

MX

103ms

AAAA

107ms

TXT

427ms

CAA

134ms

HTTPS

132ms

TLSA

281ms

SOA

0ms

MTA-STS

140ms

DNSSEC

267ms

SRV

170ms

Total

1831ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 01:48:19	1831ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 21:59:49	783ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-11 15:15:14	4913ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-10 13:53:25	2813ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 16:45:13	680ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 02:24:00	867ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 18:41:01	1865ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 18:40:27	622ms	2 NS 1 A 4 MX	🔒 Secure	View