studiesalg.dk

📜 Historical scan 2026-06-21 09:54:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studiesalg.dk is a .dk domain served by 2 nameservers (brit.ns.cloudflare.com, skip.ns.cloudflare.com). It was registered on 6 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.92 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
brit.ns.cloudflare.com	108.162.192.78 172.64.32.78 173.245.58.78 2606:4700:50::adf5:3a4e 2803:f800:50::6ca2:c04e 2a06:98c1:50::ac40:204e	brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
skip.ns.cloudflare.com	108.162.193.233 172.64.33.233 173.245.59.233 2606:4700:58::adf5:3be9 2803:f800:50::6ca2:c1e9 2a06:98c1:50::ac40:21e9	skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.92	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.165.181	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt2.aspmx.l.google.com	192.178.211.26 2404:6800:4003:c26::1b	lcbomp-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	aspmx2.googlemail.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	aspmx3.googlemail.com	108.177.125.26 2404:6800:4000:1025::1b	tp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:b5c	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:a5b5	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.92,172.67.165.181 ech=AEX+DQBB/AAgACBaZWgJlxfm/jvVSIvyso5pBq4qdMs3HRwrPFZ7M2ZoOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:b5c,2606:4700:3031::ac43:a5b5

📝 TXT Records#

3 records 158ms

TXT Record
facebook-domain-verification=piq2cvnq3xz23omhgm2iinhfqyq2n1
google-site-verification=CSs3KNyKwp4jtIIHPpKE9gkWOj3bo2uE3svSLp7X91w
google-site-verification=WuBp_HLciOK-6VnotdSXsvntKi1-45j3ZMdXfE-9jwA

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.studiesalg.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:b979916c3a61433ca7ae0a16d6fc2361@dmarc-reports.cloudflare.net

📬 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 2026-10-19 05:34:22

www	104.21.11.92 172.67.165.181 2606:4700:3030::6815:b5c 2606:4700:3031::ac43:a5b5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network studiesalg.dk: 104.21.11.92 172.67.165.181 2606:4700:3030::6815:b5c 2606:4700:3031::ac43:a5b5 (AS13335) www.studiesalg.dk: 104.21.11.92 172.67.165.181 2606:4700:3030::6815:b5c 2606:4700:3031::ac43:a5b5 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

34ms

Field	Value
Serial	2406368280
Primary NS (MNAME)	brit.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 03:46:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-11-06
Expires	2036-04-30 (3479d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

32ms

54ms

AAAA

32ms

TXT

158ms

CAA

32ms

HTTPS

45ms

TLSA

95ms

SOA

34ms

MTA-STS

33ms

DNSSEC

75ms

SRV

67ms

Total

619ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 03:38:51	3511ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-25 01:48:09	722ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-14 13:19:56	1491ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-25 21:40:59	816ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-08 01:45:45	1597ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-14 20:36:17	10333ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-21 09:54:40 shown	619ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 05:58:55	899ms	2 NS 2 A 5 MX	🔓 Insecure