kthk.dk

📜 Historical scan 2026-09-17 21:49:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kthk.dk is a .dk domain served by 2 nameservers (gabe.ns.cloudflare.com, sue.ns.cloudflare.com). It was registered on 4 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.29.117 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. 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 110ms

Nameserver	IP addresses	PTR	ASN / ISP
gabe.ns.cloudflare.com	108.162.193.114 172.64.33.114 173.245.59.114 2606:4700:58::adf5:3b72 2803:f800:50::6ca2:c172 2a06:98c1:50::ac40:2172	gabe.ns.cloudflare.com gabe.ns.cloudflare.com gabe.ns.cloudflare.com gabe.ns.cloudflare.com gabe.ns.cloudflare.com gabe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sue.ns.cloudflare.com	108.162.192.145 172.64.32.145 173.245.58.145 2606:4700:50::adf5:3a91 2803:f800:50::6ca2:c091 2a06:98c1:50::ac40:2091	sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.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 149ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.29.117	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.123	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	81.19.232.116
🔶 Autoconfig	81.19.232.116

🔷 AAAA Records (IPv6)#

2 records 141ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:ab7b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:1d75	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 131ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.29.117,172.67.171.123 ech=AEX+DQBByQAgACBpPTvGwS/JgFXn61/CU4bJvxc7KymibLfiF6o127rrRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ab7b,2606:4700:3036::6815:1d75

📝 TXT Records#

1 records 267ms

TXT Record
google-site-verification=3hTEu8n9f6IKhcUgstqXbTAXbnGa3WhM0vp78C3x7GM

✉️ 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 2026-10-09 19:34:27

www	104.21.29.117 172.67.171.123 2606:4700:3031::ac43:ab7b 2606:4700:3036::6815:1d75 (AS13335) (address records, no CNAME)
www vs bare domain	Same network kthk.dk: 104.21.29.117 172.67.171.123 2606:4700:3031::ac43:ab7b 2606:4700:3036::6815:1d75 (AS13335) www.kthk.dk: 104.21.29.117 172.67.171.123 2606:4700:3031::ac43:ab7b 2606:4700:3036::6815:1d75 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

169ms

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	2414975585
Primary NS (MNAME)	gabe.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 04:30:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-09-04
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

110ms

149ms

85ms

AAAA

141ms

TXT

267ms

CAA

124ms

HTTPS

131ms

TLSA

499ms

SOA

0ms

MTA-STS

109ms

DNSSEC

169ms

SRV

144ms

Total

1478ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 17:57:43	964ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 09:02:46	593ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 16:51:40	2491ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 21:49:54 shown	1478ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 06:23:59	733ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 00:27:31	1484ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-24 06:23:32	3410ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 20:57:59	2918ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:44:29	1083ms	2 NS 2 A 1 MX	🔓 Insecure