dgu.dk

📜 Historical scan 2026-07-18 03:45:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dgu.dk is a .dk domain served by 2 nameservers (fatima.ns.cloudflare.com, ryan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.12.90 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 221ms

Nameserver	IP addresses	PTR	ASN / ISP
fatima.ns.cloudflare.com	108.162.194.188 162.159.38.188 172.64.34.188 2606:4700:50::a29f:26bc 2803:f800:50::6ca2:c2bc 2a06:98c1:50::ac40:22bc	fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryan.ns.cloudflare.com	108.162.195.229 162.159.44.229 172.64.35.229 2606:4700:58::a29f:2ce5 2803:f800:50::6ca2:c3e5 2a06:98c1:50::ac40:23e5	ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.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 240ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.90	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.194.3	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.194.3
🔶 Autoconfig	104.21.12.90

🔷 AAAA Records (IPv6)#

2 records 220ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:c5a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:c203	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 239ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.90,172.67.194.3 ech=AEX+DQBBkwAgACBecx+JVDFSFAARFZ5lVzQdWK49gog96A1RGmyV8fVbUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:c5a,2606:4700:3035::ac43:c203

📝 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 2026-10-15 09:35:59

www	104.21.12.90 172.67.194.3 2606:4700:3033::6815:c5a 2606:4700:3035::ac43:c203 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dgu.dk: 104.21.12.90 172.67.194.3 2606:4700:3033::6815:c5a 2606:4700:3035::ac43:c203 (AS13335) www.dgu.dk: 104.21.12.90 172.67.194.3 2606:4700:3033::6815:c5a 2606:4700:3035::ac43:c203 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

359ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2409776794
Primary NS (MNAME)	fatima.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#

221ms

240ms

231ms

AAAA

220ms

TXT

760ms

CAA

235ms

HTTPS

239ms

TLSA

192ms

SOA

0ms

MTA-STS

264ms

DNSSEC

359ms

SRV

302ms

Total

3843ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 09:35:59	1067ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 19:59:51	608ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-28 06:34:44	611ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-27 06:22:02	3029ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-14 07:17:26	1670ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-07 06:27:36	10094ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-15 21:29:23	858ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-11 18:10:13	1034ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-18 03:45:50 shown	3843ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-17 00:26:37	890ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-28 08:07:18	913ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-26 17:27:56	720ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-17 02:35:55	415ms	2 NS 2 A 0 MX	🔒 Secure