tucv.dk

📜 Historical scan 2026-08-22 17:59:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tucv.dk is a .dk domain served by 2 nameservers (demi.ns.cloudflare.com, johnathan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.33.234 is hosted by Cloudflare, Inc. (AS13335). 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 69ms

Nameserver	IP addresses	PTR	ASN / ISP
demi.ns.cloudflare.com	108.162.192.95 172.64.32.95 173.245.58.95 2606:4700:50::adf5:3a5f 2803:f800:50::6ca2:c05f 2a06:98c1:50::ac40:205f	demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
johnathan.ns.cloudflare.com	108.162.195.44 162.159.44.44 172.64.35.44 2606:4700:58::a29f:2c2c 2803:f800:50::6ca2:c32c 2a06:98c1:50::ac40:232c	johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.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 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.33.234	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.160	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:c1a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:21ea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 75ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.33.234,172.67.193.160 ech=AEX+DQBBQQAgACBkTgHj7nPLRcNlASu/SGBSRzIku4qTcg0FweSLnAnTEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c1a0,2606:4700:3034::6815:21ea

📝 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 2026-10-09 09:39:13

www	104.21.33.234 172.67.193.160 2606:4700:3032::ac43:c1a0 2606:4700:3034::6815:21ea (AS13335) (address records, no CNAME)
www vs bare domain	Same network tucv.dk: 104.21.33.234 172.67.193.160 2606:4700:3032::ac43:c1a0 2606:4700:3034::6815:21ea (AS13335) www.tucv.dk: 104.21.33.234 172.67.193.160 2606:4700:3032::ac43:c1a0 2606:4700:3034::6815:21ea (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tucv.dk	APHK8IEEmfaBmYN8gLIVfSMzalK3T7xd5TRi8RJuWYw
TXT	_acme-challenge.tucv.dk	NTK95YqHGZhT3PU8RoIkU3lqey3AnVvKYAbv6hqhp9c

🔗 TLSA / DANE#

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

🔐 DNSSEC#

230ms

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	2412885073
Primary NS (MNAME)	demi.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#

69ms

72ms

74ms

AAAA

62ms

TXT

254ms

CAA

87ms

HTTPS

75ms

TLSA

121ms

SOA

0ms

MTA-STS

100ms

DNSSEC

230ms

SRV

16058ms

Total

17149ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:39:13	399ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 14:53:54	2799ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 18:24:13	992ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-10 06:22:27	3125ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-03 14:02:00	1588ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 00:46:05	753ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-24 19:49:06	547ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-22 17:59:48 shown	17149ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-04 23:08:13	1261ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 16:40:34	892ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 22:26:39	801ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 16:31:31	695ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 13:08:17	2446ms	2 NS 2 A 0 MX	🔓 Insecure