su.dk

📜 Historical scan 2026-09-28 15:44:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

su.dk is a .dk domain served by 3 nameservers (mimer.deic.dk, ns-soa.darenet.dk, orion.i2.dk). It was registered on 6 April 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.95.185 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.umit.dk. 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#

3 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
mimer.deic.dk	2001:87f:ff27:65::66 95.128.27.66	mimer.deic.dk mimer.deic.dk	AS198455 Danmarks Tekniske Universitet AS198455 Danmarks Tekniske Universitet
ns-soa.darenet.dk	130.226.179.50 2001:878:0:e000:82:e2:b3:32	ns-soa.darenet.dk ns-soa.darenet.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
orion.i2.dk	78.153.182.90	orion.i2.dk	AS31027 GlobalConnect A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.235.95.185	300s	static.185.95.235.167.clients.your-server.de	AS24940	Hetzner Online GmbH	167.235.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.umit.dk	193.162.253.130	mail.umit.dk	AS209291 Uddannelses- og Forskningsstyrelsens It

🔷 AAAA Records (IPv6)#

1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2220:1b48::2	300s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

6 records 128ms

TXT Record
HARICA-lL7ThAobj5nxFzkZkJa
MS=60A8601381238F19EA0B26C2CAF5F7FB88494946
MS=ms44267551
MS=ms59030323
SOA=1790599332
v=spf1 mx include:spf.protection.outlook.com ip4:193.162.252.111 ip4:193.162.253.130 -all

✉️ SPF#

Policy	Record (su.dk)
-all (hard fail)	v=spf1 mx include:spf.protection.outlook.com ip4:193.162.252.111 ip4:193.162.253.130 -all

📨 DMARC#

Policy	Record (_dmarc.su.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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 15:54:23

www	167.235.95.185 2a01:4f8:2220:1b48::2 (AS24940) (address records, no CNAME)
www vs bare domain	Same network su.dk: 167.235.95.185 2a01:4f8:2220:1b48::2 (AS24940) www.su.dk: 167.235.95.185 2a01:4f8:2220:1b48::2 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 1215ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.umit.dk	DANE-EE · SPKI · SHA-256	A5C6BF5ADCF345CE5B90684AF0873063…

🔐 DNSSEC#

118ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1790599502
Primary NS (MNAME)	mimer.deic.dk
Responsible (RNAME)	dns@support.i2.dk
Refresh	16384s
Retry	2048s
Expire	2097152s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 11:20:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-04-06
Expires	2027-06-30 (253d)

🔗 Same registrant#

24 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
dinsu.dk	Punktum dk A/S (direct)
kot-optagelse.dk	Punktum dk A/S (direct)
minesas.dk	Punktum dk A/S (direct)
minsu.dk	Punktum dk A/S (direct)
mitesas.dk	Punktum dk A/S (direct)
mitoptag.dk	Punktum dk A/S (direct)
nemstudie.dk	Punktum dk A/S (direct)
nemstudium.dk	Punktum dk A/S (direct)
stads.dk	Punktum dk A/S (direct)
su-raadet.dk	Punktum dk A/S (direct)
sustyrelsen.dk	Punktum dk A/S (direct)
svu.dk	Punktum dk A/S (direct)
transportrabat.dk	Punktum dk A/S (direct)
uddannelseskort.dk	Punktum dk A/S (direct)
uddannelsesoptag.dk	Punktum dk A/S (direct)
uddannelsesstoette.dk	Punktum dk A/S (direct)
udlandsstipendium.dk	Punktum dk A/S (direct)
ufm-it.dk	Punktum dk A/S (direct)
ufmcop.dk	Punktum dk A/S (direct)
ufmit.dk	Punktum dk A/S (direct)
ufmkot.dk	Punktum dk A/S (direct)
umit.dk	Punktum dk A/S (direct)
ungdomskort.dk	Punktum dk A/S (direct)
veug.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

42ms

32ms

AAAA

42ms

TXT

128ms

CAA

49ms

HTTPS

26ms

TLSA

1215ms

SOA

0ms

MTA-STS

61ms

DNSSEC

118ms

SRV

50ms

Total

5152ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 15:54:23	732ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-18 15:19:55	765ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-17 15:06:56	614ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-16 14:35:53	605ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-15 13:32:45	1261ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-14 13:19:54	947ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-13 12:14:05	883ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-12 11:08:03	2851ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-11 09:52:03	4709ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-10 07:44:03	1757ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-08 21:01:23	5669ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:55:57	655ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-06 22:54:46	2303ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-05 16:13:32	773ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 16:11:52	4033ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 16:06:24	592ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 16:19:36	544ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 16:16:02	558ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 16:09:10	1408ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:55:07	7312ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-28 15:44:44 shown	5152ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 15:27:25	3993ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 15:13:34	1926ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 15:03:30	7334ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 14:51:16	3969ms	3 NS 1 A 1 MX	🔒 Secure