forumuddannelse.dk

📜 Historical scan 2026-06-20 17:09:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

forumuddannelse.dk is a .dk domain served by 2 nameservers (justin.ns.cloudflare.com, serena.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.238 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 167ms

Nameserver	IP addresses	PTR	ASN / ISP
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.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 148ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.238	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.162.203	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 143ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:5aee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a2cb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 173ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.238,172.67.162.203 ech=AEX+DQBBswAgACCtzfl+JLJmLUjZC1ZCnYHzuwbLlQguO5mcGuxGsJs9PwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:5aee,2606:4700:3036::ac43:a2cb

📝 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 2026-10-16 02:31:52

www	104.21.90.238 172.67.162.203 2606:4700:3031::ac43:a2cb 2606:4700:3033::6815:5aee (AS13335) (address records, no CNAME)
www vs bare domain	Same network forumuddannelse.dk: 104.21.90.238 172.67.162.203 2606:4700:3031::ac43:a2cb 2606:4700:3033::6815:5aee (AS13335) www.forumuddannelse.dk: 104.21.90.238 172.67.162.203 2606:4700:3031::ac43:a2cb 2606:4700:3033::6815:5aee (AS13335)
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

295ms

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

🏷️ SOA#

190ms

Field	Value
Serial	2407185044
Primary NS (MNAME)	justin.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#

167ms

148ms

146ms

AAAA

143ms

TXT

504ms

CAA

195ms

HTTPS

173ms

TLSA

145ms

SOA

190ms

MTA-STS

227ms

DNSSEC

295ms

SRV

243ms

Total

1101ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 02:31:52	650ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-24 10:53:21	542ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-23 20:03:53	596ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-15 18:15:07	2107ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-01 09:02:42	612ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-29 04:33:00	1400ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-25 13:39:11	594ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-09 08:47:46	8759ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-22 04:47:45	8652ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-18 06:36:07	2740ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-12 21:09:37	16600ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-22 10:27:08	881ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-20 17:09:41 shown	1101ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-20 11:06:21	2015ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-20 08:41:43	1324ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-17 09:24:39	578ms	2 NS 2 A 0 MX	🔒 Secure