tctk.dk

📜 Historical scan 2026-09-30 13:23:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tctk.dk is a .dk domain served by 2 nameservers (adi.ns.cloudflare.com, chip.ns.cloudflare.com). It was registered on 22 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.60 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, 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   32ms
NameserverIP addressesPTRASN / ISP
adi.ns.cloudflare.com 108.162.192.56
172.64.32.56
173.245.58.56
2606:4700:50::adf5:3a38
2803:f800:50::6ca2:c038
2a06:98c1:50::ac40:2038		 adi.ns.cloudflare.com
adi.ns.cloudflare.com
adi.ns.cloudflare.com
adi.ns.cloudflare.com
adi.ns.cloudflare.com
adi.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
chip.ns.cloudflare.com 108.162.193.84
172.64.33.84
173.245.59.84
2606:4700:58::adf5:3b54
2803:f800:50::6ca2:c154
2a06:98c1:50::ac40:2154		 chip.ns.cloudflare.com
chip.ns.cloudflare.com
chip.ns.cloudflare.com
chip.ns.cloudflare.com
chip.ns.cloudflare.com
chip.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.4.60 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.154.10 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.pub.mailpod11-cph3.one.com 104.37.34.230 mx1.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx2.pub.mailpod11-cph3.one.com 104.37.34.231 mx2.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx3.pub.mailpod11-cph3.one.com 104.37.34.232 mx3.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx4.pub.mailpod11-cph3.one.com 104.37.34.233 mx4.pub.mailpod11-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records   51ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::ac43:9a0a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:43c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   44ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.4.60,172.67.154.10 ech=AEX+DQBBmwAgACAv4ShE74ptABAVVTNRaRqLWHw/q5ExHTd+wAz0MBCmGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9a0a,2606:4700:3037::6815:43c

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 19:58:48
www104.21.4.60 172.67.154.10 2606:4700:3034::ac43:9a0a 2606:4700:3037::6815:43c (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.tctk.dk Mw4ZE24v5kLIRefSXXbFoO8JNV1nvzFd0UJhMsOtTVY
TXT _acme-challenge.tctk.dk nBVszlLdr05w-M5fVFvYhujnFssiD9o9GZpN1amRWW0

🔗 TLSA / DANE#

4 records   66ms
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#

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

🏷️ SOA#

60ms
FieldValue
Serial2415989726
Primary NS (MNAME)adi.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-05 19:52:24
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-08-22
Expires2027-08-31 (315d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
32ms
A
39ms
MX
33ms
AAAA
51ms
TXT
203ms
CAA
30ms
HTTPS
44ms
TLSA
66ms
SOA
60ms
MTA-STS
67ms
DNSSEC
83ms
SRV
70ms
Total
540ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 13:27:36 875ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-30 13:23:10 shown 540ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-28 02:59:15 874ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-26 02:11:53 1289ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-25 02:31:28 1007ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-24 01:44:45 898ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-05 12:30:15 707ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-03 22:13:04 664ms 2 NS 2 A 4 MX 🔓 Insecure
2026-07-05 01:23:10 1158ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-24 20:46:28 2699ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-20 01:33:39 1279ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-20 00:21:14 2127ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-17 12:00:40 2300ms 2 NS 2 A 4 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone