tchdk.dk

📜 Historical scan 2026-06-17 15:36:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tchdk.dk is a .dk domain served by 2 nameservers (simone.ns.cloudflare.com, skip.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.253 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed but currently fails validation, publishes a 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
simone.ns.cloudflare.com	108.162.194.26 162.159.38.26 172.64.34.26 2606:4700:50::a29f:261a 2803:f800:50::6ca2:c21a 2a06:98c1:50::ac40:221a	simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
skip.ns.cloudflare.com	108.162.193.233 172.64.33.233 173.245.59.233 2606:4700:58::adf5:3be9 2803:f800:50::6ca2:c1e9 2a06:98c1:50::ac40:21e9	skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.253	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.80	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:41fd	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:c450	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.253,172.67.196.80 ech=AEX+DQBB5wAgACAfhnj2QjvcLesWssUrB3a5fnOhseRkvqgkI6RuTYeBJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:41fd,2606:4700:3032::ac43:c450

📝 TXT Records#

1 records 157ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (tchdk.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.tchdk.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-08 03:46:12

www	104.21.65.253 172.67.196.80 2606:4700:3031::6815:41fd 2606:4700:3031::ac43:c450 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tchdk.dk: 104.21.65.253 172.67.196.80 2606:4700:3031::6815:41fd 2606:4700:3031::ac43:c450 (AS13335) www.tchdk.dk: 104.21.65.253 172.67.196.80 2606:4700:3031::6815:41fd 2606:4700:3031::ac43:c450 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'tchdk.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

22ms

Field	Value
Serial	2405345839
Primary NS (MNAME)	simone.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

51ms

31ms

AAAA

29ms

TXT

157ms

CAA

23ms

HTTPS

24ms

TLSA

89ms

SOA

22ms

MTA-STS

57ms

DNSSEC

101ms

SRV

0ms

Total

892ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:46:12	428ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 04:23:59	1150ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-02 04:23:29	634ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 04:15:34	1147ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 19:43:34	654ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-31 20:40:32	799ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-26 05:21:46	1302ms	2 NS 2 A 0 MX	❓ Unknown
2026-07-01 01:12:07	815ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 23:08:42	735ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 15:36:41 shown	892ms	2 NS 2 A 0 MX	⚠️ Bogus