diku.dk

📜 Historical scan 2026-09-05 20:16:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

diku.dk is a .dk domain served by 2 nameservers (ns1.ku.dk, ns2.ku.dk). It was registered on 29 October 1987 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.237.173 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by ku-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 163ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ku.dk	192.38.110.174 2001:878:1070:10::174	ns1.ku.dk ns1.ku.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.ku.dk	192.38.110.190 2001:878:1070:11::190	ns2.ku.dk ns2.ku.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.226.237.173	300s	cmslb.adm.ku.dk	AS1835	IDDQD-AS	130.226.0.0/16	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 114ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ku-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::a 2a01:111:f403:ca04::9 2a01:111:f403:ca09::28 52.101.209.28 52.101.68.32 52.101.73.126 52.101.73.6	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	130.226.237.53

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 763ms

TXT Record
v=msv1 t=435F474F-578B-4019-BC16-65A1E9ADBA97
v=spf1 include:bulk.spf.ku.dk include:spf.protection.outlook.com a:unicph-gw.ku.dk a:mgw2.diku.dk -all

✉️ SPF#

Policy	Record (diku.dk)
-all (hard fail)	v=spf1 include:bulk.spf.ku.dk include:spf.protection.outlook.com a:unicph-gw.ku.dk a:mgw2.diku.dk -all

📨 DMARC#

Policy	Record (_dmarc.diku.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:upglztho@ag.eu.dmarcadvisor.com; ruf=mailto:upglztho@fr.eu.dmarcadvisor.com; pct=100; fo=1; ri=3600

📬 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 2026-10-15 20:17:45

www CNAME	diku.dk (all on diku.dk) → 130.226.237.173 (AS1835)
www vs bare domain	Same network diku.dk: 130.226.237.173 (AS1835) www.diku.dk: 130.226.237.173 (AS1835)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-diku-dk._domainkey.alumni.onmicrosoft.com	RSA · ~1024 bit below 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#

430ms

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	2026090301
Primary NS (MNAME)	ns1.ku.dk
Responsible (RNAME)	hostmaster@adm.ku.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-15 20:26:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1987-10-29
Expires	2027-06-30 (256d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

163ms

78ms

114ms

AAAA

149ms

TXT

763ms

CAA

76ms

HTTPS

97ms

TLSA

160ms

SOA

0ms

MTA-STS

411ms

DNSSEC

430ms

SRV

439ms

Total

1805ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 20:17:45	2068ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-10 08:04:46	1928ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 04:32:53	3885ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 20:58:36	2609ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-25 19:38:17	1220ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 19:31:03	2341ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 00:03:29	1518ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 00:12:29	1543ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 15:29:53	1645ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-05 20:16:53 shown	1805ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 17:10:45	1493ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 08:35:10	10588ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-13 21:41:56	1417ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-12 07:40:13	2937ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-07 17:07:20	1662ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-29 07:31:25	11433ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-27 08:36:38	4051ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-26 08:12:54	9354ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 05:38:10	10650ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-17 04:22:23	1545ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-11 05:42:15	9374ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 12:18:09	1078ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-29 18:39:11	864ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 06:33:28	1598ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 02:55:30	725ms	2 NS 1 A 1 MX	🔓 Insecure