studerende.dk

📜 Historical scan 2026-06-17 14:43:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studerende.dk is a .dk domain served by 2 nameservers (becky.ns.cloudflare.com, hal.ns.cloudflare.com). It was registered on 3 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.6.232 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, 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 69ms

Nameserver	IP addresses	PTR	ASN / ISP
becky.ns.cloudflare.com	108.162.192.73 172.64.32.73 173.245.58.73 2606:4700:50::adf5:3a49 2803:f800:50::6ca2:c049 2a06:98c1:50::ac40:2049	becky.ns.cloudflare.com becky.ns.cloudflare.com becky.ns.cloudflare.com becky.ns.cloudflare.com becky.ns.cloudflare.com becky.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
hal.ns.cloudflare.com	108.162.193.174 172.64.33.174 173.245.59.174 2606:4700:58::adf5:3bae 2803:f800:50::6ca2:c1ae 2a06:98c1:50::ac40:21ae	hal.ns.cloudflare.com hal.ns.cloudflare.com hal.ns.cloudflare.com hal.ns.cloudflare.com hal.ns.cloudflare.com hal.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

3 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.6.232	—	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.7.232	—	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.70.102	—	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records#

7 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	aspmx.l.google.com	108.177.15.27 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b	wr-in-f27.1e100.net lr-in-x1b.1e100.net lr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	—	alt1.aspmx.l.google.com	172.253.158.26 2404:6800:4000:1025::1b	so-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	—	alt2.aspmx.l.google.com	108.177.125.26 2a00:1450:4025:c01::1b	tp-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	—	aspmx2.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	—	aspmx3.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	—	aspmx4.googlemail.com	142.250.147.26 2404:6800:400b:c01b::1a	rd-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	—	aspmx5.googlemail.com	173.194.43.26 2607:f8b0:400e:c1e::1a	yudlsqd-in-f26.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

3 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:6e8	—	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:7e8	—	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4666	—	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.26.6.232,104.26.7.232,172.67.70.102 ipv6hint=2606:4700:20::681a:6e8,2606:4700:20::681a:7e8,2606:4700:20::ac43:4666

📝 TXT Records#

6 records 172ms

TXT Record
16.11.2022
apple-domain-verification=KUFlSPMq8vfGGbIl
atlassian-domain-verification=ySFcZVPAV9IutBnN/TJe0O3faQx7dqR42hxRalNkYjg3PBs31szNi3vkdGPvABO5
have-i-been-pwned-verification=dc95346325aaef963d7057a35d8e682d
MS=ms53349953
v=spf1 a:mail.student.dtu.dk include:aspmx.googlemail.com include:25670423.spf05.hubspotemail.net -all

✉️ SPF#

Policy	Record (studerende.dk)
-all (hard fail)	v=spf1 a:mail.student.dtu.dk include:aspmx.googlemail.com include:25670423.spf05.hubspotemail.net -all

📨 DMARC#

Policy	Record (_dmarc.studerende.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:b3be33d326f14ae0bb7b3c358e94afff@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 01:46:10

www	104.26.6.232 104.26.7.232 172.67.70.102 2606:4700:20::681a:6e8 2606:4700:20::681a:7e8 2606:4700:20::ac43:4666 (AS13335) (address records, no CNAME)
www vs bare domain	Same network studerende.dk: 104.26.6.232 104.26.7.232 172.67.70.102 2606:4700:20::681a:6e8 (AS13335) www.studerende.dk: 104.26.6.232 104.26.7.232 172.67.70.102 2606:4700:20::681a:6e8 (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

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
s1	s1.domainkey.u50968746.wl247.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u50968746.wl247.sendgrid.net	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

128ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2407072829
Primary NS (MNAME)	becky.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 01:58:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-09-03
Expires	2035-09-30 (3268d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
dse-dns.dk	Punktum dk A/S (direct)
dse-messe.dk	Punktum dk A/S (direct)
dsemesse.dk	Punktum dk A/S (direct)
fokusaften.dk	Punktum dk A/S (direct)
pejling.dk	Punktum dk A/S (direct)
pre-pair.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

69ms

51ms

68ms

AAAA

55ms

TXT

172ms

CAA

191ms

HTTPS

51ms

TLSA

138ms

SOA

50ms

MTA-STS

55ms

DNSSEC

128ms

SRV

0ms

Total

2206ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 01:46:10	2080ms	2 NS 3 A 7 MX	🔒 Secure
2026-10-15 00:21:47	3486ms	2 NS 3 A 7 MX	🔒 Secure
2026-10-02 01:41:32	1158ms	2 NS 3 A 7 MX	🔒 Secure
2026-10-01 01:37:07	1348ms	2 NS 3 A 7 MX	🔒 Secure
2026-09-30 01:21:51	737ms	2 NS 3 A 7 MX	🔒 Secure
2026-09-24 05:17:05	845ms	2 NS 3 A 7 MX	🔒 Secure
2026-09-22 03:30:15	1079ms	2 NS 3 A 7 MX	🔒 Secure
2026-09-16 22:48:05	1418ms	2 NS 3 A 7 MX	🔒 Secure
2026-09-10 13:05:26	1643ms	2 NS 3 A 7 MX	🔒 Secure
2026-09-03 12:46:07	1371ms	2 NS 3 A 7 MX	🔒 Secure
2026-08-31 08:39:38	3032ms	2 NS 3 A 7 MX	🔒 Secure
2026-08-27 17:44:19	799ms	2 NS 3 A 7 MX	🔒 Secure
2026-08-24 05:01:24	2191ms	2 NS 3 A 7 MX	🔒 Secure
2026-08-17 09:04:45	9184ms	2 NS 3 A 7 MX	🔒 Secure
2026-08-15 11:19:55	1855ms	2 NS 3 A 7 MX	🔒 Secure
2026-08-06 21:00:01	17854ms	2 NS 3 A 7 MX	🔒 Secure
2026-07-18 01:15:28	2733ms	2 NS 3 A 7 MX	🔒 Secure
2026-07-16 16:11:41	2107ms	2 NS 3 A 7 MX	🔒 Secure
2026-07-10 14:45:00	1885ms	2 NS 3 A 7 MX	🔒 Secure
2026-07-04 23:42:57	9893ms	2 NS 3 A 7 MX	🔒 Secure
2026-07-03 10:05:43	1192ms	2 NS 3 A 7 MX	🔒 Secure
2026-06-25 01:36:55	1121ms	2 NS 3 A 7 MX	🔒 Secure
2026-06-21 07:09:46	1577ms	2 NS 3 A 7 MX	🔒 Secure
2026-06-19 15:04:28	2858ms	2 NS 3 A 7 MX	🔒 Secure
2026-06-17 14:43:23 shown	2206ms	2 NS 3 A 7 MX	🔒 Secure