tchdk.dk

📜 Historical scan 2026-07-31 20:40:32 · ← 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 not DNSSEC-signed, 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 39ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.253	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.80	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:41fd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:c450	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.253,172.67.196.80 ech=AEX+DQBB6gAgACCzqIFrPF0rpulwHsnhHJ03nTcLT8IZvjFP8jrPfwTlVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:41fd,2606:4700:3031::ac43:c450

📝 TXT Records#

1 records 159ms

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#

115ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2410857034
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#

39ms

43ms

31ms

AAAA

36ms

TXT

159ms

CAA

42ms

HTTPS

35ms

TLSA

72ms

SOA

0ms

MTA-STS

63ms

DNSSEC

115ms

SRV

167ms

Total

799ms

🕐 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 shown	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	892ms	2 NS 2 A 0 MX	⚠️ Bogus