gulvkup.dk

📜 Historical scan 2026-08-26 12:21:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gulvkup.dk is a .dk domain served by 2 nameservers (joan.ns.cloudflare.com, louis.ns.cloudflare.com). It was registered on 16 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
joan.ns.cloudflare.com	108.162.192.173 172.64.32.173 173.245.58.173 2606:4700:50::adf5:3aad 2803:f800:50::6ca2:c0ad 2a06:98c1:50::ac40:20ad	joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
louis.ns.cloudflare.com	108.162.195.89 162.159.44.89 172.64.35.89 2606:4700:58::a29f:2c59 2803:f800:50::6ca2:c359 2a06:98c1:50::ac40:2359	louis.ns.cloudflare.com louis.ns.cloudflare.com louis.ns.cloudflare.com louis.ns.cloudflare.com louis.ns.cloudflare.com louis.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 250ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (gulvkup.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.gulvkup.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 2026-10-10 13:32:17

www	Exists, no address
www vs bare domain	Neither resolves gulvkup.dk: no address www.gulvkup.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

103ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2412372897
Primary NS (MNAME)	joan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 07:45:07

Field	Value
Registrar	CURANET A/S
Registered	2022-11-16
Expires	2026-11-15 (25d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

53ms

AAAA

51ms

TXT

250ms

CAA

69ms

HTTPS

60ms

TLSA

52ms

SOA

0ms

MTA-STS

95ms

DNSSEC

103ms

SRV

98ms

Total

1412ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 07:25:41	381ms	2 NS 0 A 0 MX	🔒 Secure
2026-10-01 07:14:29	514ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-14 08:24:19	834ms	2 NS 0 A 0 MX	🔒 Secure
2026-08-27 13:41:16	3018ms	2 NS 0 A 0 MX	🔒 Secure
2026-08-26 12:21:28 shown	1412ms	2 NS 0 A 0 MX	🔒 Secure
2026-08-16 23:48:39	868ms	2 NS 0 A 0 MX	🔒 Secure
2026-08-08 18:59:09	8619ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-24 02:24:21	1149ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-12 21:31:59	931ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-02 11:58:06	869ms	2 NS 0 A 0 MX	🔒 Secure
2026-06-27 07:42:05	1228ms	2 NS 0 A 0 MX	🔒 Secure
2026-06-17 10:52:09	716ms	2 NS 0 A 0 MX	🔒 Secure
2026-06-17 10:44:11	599ms	2 NS 0 A 0 MX	🔒 Secure