tchdk.dk DNS records

🖥️ Nameservers2 records 28ms

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 Records2 records 40ms

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 38ms

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 Records1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.253,172.67.196.80 ech=AEX+DQBBIwAgACCekmEKUp0w2DVtBU3/e1seKqED8SzkjSUDZ+KspNyZRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:41fd,2606:4700:3031::ac43:c450

📝 TXT Records1 records 238ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

Check	Result
Validation Status	❓ Unknown
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

🏷️ SOA0ms

Field	Value
Serial	2410454759
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

28ms

A

40ms

MX

42ms

AAAA

38ms

TXT

238ms

CAA

39ms

HTTPS

41ms

TLSA

91ms

SOA

0ms

MTA-STS

70ms

DNSSEC

103ms

SRV

94ms

Total

1302ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-31 20:40:32	799ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-26 05:21:46	1302ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-07-01 01:12:07	815ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 23:08:42	735ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 15:36:41	892ms	2 NS 2 A 0 MX	⚠️ Bogus	View