tdch.dk

📜 Historical scan 2026-09-04 15:06:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tdch.dk is a .dk domain served by 3 nameservers (authns001.yacn.dk, authns002.yacn.dk, authns003.yacn.dk). It was registered on 9 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tdchtech02.gkl.tdch.dk, mailrelay01.tdchosting.dk. The zone is not DNSSEC-signed, has no 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#

3 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
authns001.yacn.dk	213.174.84.205	authns001.yacn.dk	AS44398 Itm8 A/S
authns002.yacn.dk	2.106.41.246	authns002.yacn.dk	AS3292 TDC Holding A/S
authns003.yacn.dk	137.117.161.172	authns003.yacn.dk	AS8075 Microsoft Corporation

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	360s	tdchtech02.gkl.tdch.dk	92.43.124.204	tdchtech02.gkl.tdch.dk	AS44398 Itm8 A/S
20	360s	mailrelay01.tdchosting.dk	92.43.124.90	mailrelay01.tdchosting.dk	AS44398 Itm8 A/S

🔷 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#

✗ 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 15:48:31

www	NXDOMAIN
www vs bare domain	Neither resolves tdch.dk: no address www.tdch.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2074ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2023051201
Primary NS (MNAME)	authns001.yacn.dk
Responsible (RNAME)	hostmaster@itrelation.dk
Refresh	14400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-03 06:13:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-09-09
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

58ms

42ms

56ms

AAAA

48ms

TXT

4220ms

CAA

2030ms

HTTPS

51ms

TLSA

2062ms

SOA

0ms

MTA-STS

67ms

DNSSEC

2074ms

SRV

2044ms

Total

8596ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 15:48:31	4714ms	3 NS 0 A 2 MX	🔓 Insecure
2026-10-03 05:52:08	8334ms	3 NS 0 A 2 MX	🔓 Insecure
2026-10-02 05:48:47	653ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-27 04:49:42	4426ms	3 NS 0 A 0 MX	🔓 Insecure
2026-09-13 23:32:31	6588ms	3 NS 0 A 2 MX	🔓 Insecure
2026-09-04 15:06:41 shown	8596ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-23 03:36:50	1709ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-21 23:24:01	922ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 14:17:41	2223ms	3 NS 0 A 2 MX	🔓 Insecure
2026-06-18 05:15:30	2493ms	3 NS 0 A 2 MX	🔓 Insecure