c-communication.dk

Records from scan: 2026-10-10 21:19:42  ·  486ms total  ·  last checked 2026-10-16 06:52 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   49ms
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   33ms
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   40ms
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   36ms
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   166ms
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#

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   76ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…

🔐 DNSSEC#

51ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

46ms
FieldValue
Serial2026101002
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 (348d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
33ms
MX
40ms
AAAA
36ms
TXT
166ms
CAA
53ms
HTTPS
29ms
TLSA
76ms
SOA
46ms
MTA-STS
51ms
DNSSEC
51ms
SRV
68ms
Total
486ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 21:19:42 shown 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 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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