dgu.dk

📜 Historical scan 2026-06-17 02:35:55 · ← 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 93ms

Nameserver	IP addresses	PTR	ASN / ISP
fatima.ns.cloudflare.com	—	—	—
ryan.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 56ms

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

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:c203	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:c5a	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.90,172.67.194.3 ech=AEX+DQBBSwAgACAJY+QYLypsBy6f4MxwS8kDpHHA2vtr71U0rh7ar1Y4GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c203,2606:4700:3035::6815:c5a

📝 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#

165ms

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

🏷️ SOA#

54ms

Field	Value
Serial	2405629587
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#

93ms

56ms

AAAA

58ms

TXT

144ms

CAA

57ms

HTTPS

59ms

TLSA

50ms

SOA

54ms

MTA-STS

77ms

DNSSEC

165ms

SRV

0ms

Total

415ms

🕐 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	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 shown	415ms	2 NS 2 A 0 MX	🔒 Secure