studerende.dk

📜 Historical scan 2026-09-16 22:48:05  ·  ← 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   44ms
NameserverIP addressesPTRASN / 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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.26.6.232 300s — AS13335 Cloudflare, Inc. 104.26.0.0/20 — —
104.26.7.232 300s — AS13335 Cloudflare, Inc. 104.26.0.0/20 — —
172.67.70.102 300s — AS13335 Cloudflare, Inc. 172.67.64.0/18 — —

📧 MX Records#

7 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s aspmx.l.google.com 173.194.222.26
2a00:1450:4010:c0a::1b
2a00:1450:4010:c0a::1b		 lo-in-f26.1e100.net
lm-in-f27.1e100.net
lm-in-x1b.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
20 300s alt1.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1a		 lcdels-in-f26.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 300s alt2.aspmx.l.google.com 173.194.41.27
173.194.41.27
2404:6800:4001:c01::1b		 yukulwh-in-f27.1e100.net
mad01s14-in-f27.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx2.googlemail.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx3.googlemail.com 173.194.41.27
173.194.41.27
2404:6800:4001:c01::1a		 yukulwh-in-f27.1e100.net
mad01s14-in-f27.1e100.net
yukulwh-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx4.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 300s aspmx5.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

🔷 AAAA Records (IPv6)#

3 records   44ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:20::681a:6e8 300s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —
2606:4700:20::681a:7e8 300s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —
2606:4700:20::ac43:4666 300s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —

🔐 HTTPS Records#

1 records   36ms
PriorityTargetSvcParams
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   177ms
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#

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

📨 DMARC#

PolicyRecord (_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
www104.26.6.232 104.26.7.232 172.67.70.102 2606:4700:20::681a:6e8 2606:4700:20::681a:7e8 2606:4700:20::ac43:4666 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found
SelectorCNAMEKey
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#

125ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2414870450
Primary NS (MNAME)becky.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-19 01:58:10
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1999-09-03
Expires2035-09-30 (3267d)

🔗 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).

DomainRegistrar
dse-dns.dkPunktum dk A/S (direct)
dse-messe.dkPunktum dk A/S (direct)
dsemesse.dkPunktum dk A/S (direct)
fokusaften.dkPunktum dk A/S (direct)
pejling.dkPunktum dk A/S (direct)
pre-pair.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
41ms
MX
46ms
AAAA
44ms
TXT
177ms
CAA
38ms
HTTPS
36ms
TLSA
183ms
SOA
0ms
MTA-STS
63ms
DNSSEC
125ms
SRV
65ms
Total
1418ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 2206ms 2 NS 3 A 7 MX 🔒 Secure
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