universitetsbyen.dk

📜 Historical scan 2026-06-17 22:08:59 · ← 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 80ms

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 73ms

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

📧 MX Records#

1 records 76ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	universitetsbyen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::20 2a01:111:f403:ca09::d 52.101.68.5 52.101.73.16 52.101.73.4 52.101.73.6	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.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	autodiscover.outlook.com → 52.98.175.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 177ms

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#

172ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

94ms

Field	Value
Serial	17
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#

80ms

73ms

76ms

AAAA

73ms

TXT

177ms

CAA

62ms

HTTPS

70ms

TLSA

228ms

SOA

94ms

MTA-STS

50ms

DNSSEC

172ms

SRV

296ms

Total

1039ms

🕐 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	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 shown	1039ms	2 NS 1 A 1 MX	🔓 Insecure