gulvscan.dk

📜 Historical scan 2026-09-07 05:57:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gulvscan.dk is a .dk domain served by 2 nameservers (houston.ns.cloudflare.com, rosalie.ns.cloudflare.com). It was registered on 25 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.120 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 106ms

Nameserver	IP addresses	PTR	ASN / ISP
houston.ns.cloudflare.com	108.162.195.52 162.159.44.52 172.64.35.52 2606:4700:58::a29f:2c34 2803:f800:50::6ca2:c334 2a06:98c1:50::ac40:2334	houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosalie.ns.cloudflare.com	108.162.194.57 162.159.38.57 172.64.34.57 2606:4700:50::a29f:2639 2803:f800:50::6ca2:c239 2a06:98c1:50::ac40:2239	rosalie.ns.cloudflare.com rosalie.ns.cloudflare.com rosalie.ns.cloudflare.com rosalie.ns.cloudflare.com rosalie.ns.cloudflare.com rosalie.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 153ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.120	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 130ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:bd53	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:5178	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 134ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.120,172.67.189.83 ech=AEX+DQBBRgAgACAcgQrIIUkSglm8D6796uQ/P6UXX/LIcNmaJhOq7wUxXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:bd53,2606:4700:3035::6815:5178

📝 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 2026-10-08 14:32:07

www	104.21.81.120 172.67.189.83 2606:4700:3033::ac43:bd53 2606:4700:3035::6815:5178 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gulvscan.dk: 104.21.81.120 172.67.189.83 2606:4700:3033::ac43:bd53 2606:4700:3035::6815:5178 (AS13335) www.gulvscan.dk: 104.21.81.120 172.67.189.83 2606:4700:3033::ac43:bd53 2606:4700:3035::6815:5178 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gulvscan.dk	T1WTReve5naA3UQmTE2JRqD0jvgRLgRfzVaBiyXT5Go
TXT	_acme-challenge.gulvscan.dk	eALFYLcFQW7EbZ_B5iMpT7JFDI07FXSexo99S3bboVQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

192ms

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	2414128579
Primary NS (MNAME)	houston.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 02:28:33

Field	Value
Registrar	Simply.com A/S
Registered	2026-05-25
Expires	2027-05-24 (213d)

📋 WHOIS#

⏱️ Lookup Timing#

106ms

153ms

130ms

AAAA

130ms

TXT

276ms

CAA

107ms

HTTPS

134ms

TLSA

390ms

SOA

0ms

MTA-STS

124ms

DNSSEC

192ms

SRV

143ms

Total

1907ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 09:46:32	536ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 06:05:06	1095ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-13 07:36:58	1063ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-07 05:57:35 shown	1907ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 10:49:08	551ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-17 10:40:36	1444ms	3 NS 1 A 0 MX	🔒 Secure