blaagymnasium.dk

📜 Historical scan 2026-09-08 23:53:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blaagymnasium.dk is a .dk domain served by 2 nameservers (darwin.ns.cloudflare.com, fiona.ns.cloudflare.com). It was registered on 20 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.21 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 105ms

Nameserver	IP addresses	PTR	ASN / ISP
darwin.ns.cloudflare.com	108.162.193.151 172.64.33.151 173.245.59.151 2606:4700:58::adf5:3b97 2803:f800:50::6ca2:c197 2a06:98c1:50::ac40:2197	darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
fiona.ns.cloudflare.com	108.162.192.157 172.64.32.157 173.245.58.157 2606:4700:50::adf5:3a9d 2803:f800:50::6ca2:c09d 2a06:98c1:50::ac40:209d	fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.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 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.21	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.41	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.21.41.103
🔶 Autoconfig	185.21.41.103

🔷 AAAA Records (IPv6)#

2 records 97ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:1a15	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8729	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 113ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.21,172.67.135.41 ech=AEX+DQBBvwAgACAR4jC5DZs77sQkHO059hEovZVJdriELCA3O6CDbkmVOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1a15,2606:4700:3035::ac43:8729

📝 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 2026-10-12 04:20:21

www	104.21.26.21 172.67.135.41 2606:4700:3030::6815:1a15 2606:4700:3035::ac43:8729 (AS13335) (address records, no CNAME)
www vs bare domain	Same network blaagymnasium.dk: 104.21.26.21 172.67.135.41 2606:4700:3030::6815:1a15 2606:4700:3035::ac43:8729 (AS13335) www.blaagymnasium.dk: 104.21.26.21 172.67.135.41 2606:4700:3030::6815:1a15 2606:4700:3035::ac43:8729 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

162ms

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	2413696515
Primary NS (MNAME)	darwin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 16:49:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-09-20
Expires	2027-09-30 (341d)

📋 WHOIS#

⏱️ Lookup Timing#

105ms

102ms

111ms

AAAA

97ms

TXT

245ms

CAA

122ms

HTTPS

113ms

TLSA

70ms

SOA

0ms

MTA-STS

144ms

DNSSEC

162ms

SRV

128ms

Total

1449ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 04:20:21	461ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 19:45:37	590ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-08 23:53:43 shown	1449ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-30 11:58:58	1048ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 22:00:33	785ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 19:45:33	760ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 00:00:23	3695ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-14 07:08:26	1401ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 03:19:33	973ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 14:45:55	410ms	2 NS 2 A 0 MX	🔓 Insecure