citytelecom.dk

📜 Historical scan 2026-06-21 15:58:12  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

citytelecom.dk is a .dk domain served by 2 nameservers (ns1.jth.net, ns4.jth.net). It was registered on 26 July 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 15 October 2026, when it moved from direct registration at Punktum to dns.services ApS. Its website address 185.51.76.57 is hosted by Din Server Group ApS (AS215052) in Denmark. Mail is handled by mail.citytelecom.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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   63ms
NameserverIP addressesPTRASN / ISP
ns1.jth.net 212.237.178.27
2a06:4005:8003::2		 27.27-32.178.237.212.in-addr.arpa
jth.net		 AS204151 EWII Bredbaand A/S
AS204151 EWII Bredbaand A/S
ns4.jth.net 2a06:4004:b026::1
87.104.241.106		 jylland.jth.net
106.96-111.241.104.87.in-addr.arpa		 AS204151 EWII Bredbaand A/S
AS204151 EWII Bredbaand A/S

🌍 A Records#

1 records   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.51.76.57 14400s — AS215052 Din Server Group ApS 185.51.76.0/24 🇩🇰 Denmark Albertslund

📧 MX Records#

1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.citytelecom.dk 185.51.76.57 — AS215052 Din Server Group ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover185.51.76.57
🔶 Autoconfig185.51.76.57

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 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#

PolicyRecord (_dmarc.citytelecom.dk)
p=reject v=DMARC1; p=reject; rua=mailto:postmaster@larting.dk; ruf=mailto:dal@larting.dk

📬 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 2026-10-15 12:14:55
wwwNXDOMAIN
www vs bare domainwww does not resolve
citytelecom.dk: 185.51.76.57 (AS215052)
www.citytelecom.dk: no address
(all like this)
WildcardNo

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

83ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

64ms
FieldValue
Serial2004091996
Primary NS (MNAME)ns1.jth.net
Responsible (RNAME)hostmaster@jth.net
Refresh86400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)1s

📋 Registration#

WHOIS fetched 2026-10-15 12:42:15
FieldValue
Registrardns.services ApS
Registered2004-07-26
Expires2027-07-31 (280d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
63ms
A
74ms
MX
39ms
AAAA
67ms
TXT
310ms
CAA
78ms
HTTPS
78ms
TLSA
137ms
SOA
64ms
MTA-STS
78ms
DNSSEC
83ms
SRV
106ms
Total
630ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 12:14:55 549ms 5 NS 1 A 0 MX 🔓 Insecure
2026-08-27 07:34:35 9562ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-21 15:58:12 shown 630ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-16 21:10:51 1580ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-16 21:08:17 26950ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-16 21:07:39 467ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-16 21:01:14 1629ms 2 NS 1 A 1 MX 🔓 Insecure
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