universitetsbyen.dk

📜 Historical scan 2026-08-26 05:48:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

universitetsbyen.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 14 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.45.20.48 is hosted by Aarhus Universitet (AS62138) in Denmark. Mail is handled by universitetsbyen-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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	300s	—	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	universitetsbyen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::4 52.101.103.140 52.101.68.15 52.101.68.25 52.101.73.12	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am4pr0401cu00104.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	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 238ms

TXT Record
v=spf1include:spf.protection.outlook.com-all

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.universitetsbyen.dk)
p=reject	v=DMARC1;p=reject;rua=mailto:61dd4c279c4c7@dmarc.centerasecurity.com;

📬 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 2026-10-14 02:19:55

www	185.45.20.48 (AS62138) (address records, no CNAME)
www vs bare domain	Same network universitetsbyen.dk: 185.45.20.48 (AS62138) www.universitetsbyen.dk: 185.45.20.48 (AS62138)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-universitetsbyen-dk._domainkey.auff.onmicrosoft.com	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#

9087ms

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	21
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-25 21:43:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-02-14
Expires	2027-02-28 (125d)

🔗 Same registrant#

23 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
au-cetera.dk	Punktum dk A/S (direct)
aucetera.dk	Punktum dk A/S (direct)
auff.dk	Punktum dk A/S (direct)
cetera.dk	Punktum dk A/S (direct)
delphinus.dk	Punktum dk A/S (direct)
delphinusventurecapital.dk	Punktum dk A/S (direct)
feas-erhverv.dk	Punktum dk A/S (direct)
feas.dk	Punktum dk A/S (direct)
feasejendomme.dk	ONE.COM A/S
feaserhverv.dk	Punktum dk A/S (direct)
forskningfond.dk	Punktum dk A/S (direct)
forskningfonden.dk	Punktum dk A/S (direct)
forskningsfond.dk	Punktum dk A/S (direct)
forskningsfonden.dk	Punktum dk A/S (direct)
forskningsfondensejendomsselskab.dk	Punktum dk A/S (direct)
houseofpartners.dk	Punktum dk A/S (direct)
huset-hejmdal.dk	Punktum dk A/S (direct)
partner-huset.dk	Punktum dk A/S (direct)
partnerhuset.dk	Punktum dk A/S (direct)
pkas.dk	Punktum dk A/S (direct)
pkps.dk	Punktum dk A/S (direct)
unibyen.dk	Punktum dk A/S (direct)
universitetsboligerne.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

59ms

AAAA

54ms

TXT

238ms

CAA

53ms

HTTPS

47ms

TLSA

764ms

SOA

0ms

MTA-STS

59ms

DNSSEC

9087ms

SRV

177ms

Total

10342ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:04:49	1099ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-25 17:54:16	852ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-07 20:36:22	1167ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 22:59:39	1082ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 05:48:59 shown	10342ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 13:10:55	828ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 18:45:49	1222ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 17:57:06	1311ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 22:08:59	1039ms	2 NS 1 A 1 MX	🔓 Insecure