c-communication.dk

📜 Historical scan 2026-06-21 16:45:13  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c-communication.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.74 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   37ms
NameserverIP addressesPTRASN / 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 Records#

1 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.241.74 3600s webcluster1.wordpresspod2-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   47ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscover77.111.241.74
🔶 Autoconfig77.111.241.74

🔷 AAAA Records (IPv6)#

1 records   72ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   214ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

PolicyRecord (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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 21:19:42
www77.111.241.74 2a02:2350:5:104:55:1ff6:bd5:3718 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   116ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

71ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

44ms
FieldValue
Serial2026061105
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-09 20:31:23
FieldValue
RegistrarONE.COM A/S
Registered2010-09-21
Expires2027-09-30 (346d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
37ms
A
61ms
MX
47ms
AAAA
72ms
TXT
214ms
CAA
45ms
HTTPS
36ms
TLSA
116ms
SOA
44ms
MTA-STS
48ms
DNSSEC
71ms
SRV
71ms
Total
680ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 21:19:42 486ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-09 20:12:12 1873ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-29 18:05:50 609ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-30 01:48:19 1831ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-27 21:59:49 783ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-11 15:15:14 4913ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-10 13:53:25 2813ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 16:45:13 shown 680ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 02:24:00 867ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 18:41:01 1865ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 18:40:27 622ms 2 NS 1 A 4 MX 🔒 Secure
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