kollegieboligselskabet.dk

Records from scan: 2026-10-07 22:45:01 · 611ms total · last checked 2026-10-25 07:09 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kollegieboligselskabet.dk is a .dk domain served by 4 nameservers (ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org and 1 more). It was registered on 16 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.102.28.178 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mx12.comendosystems.com, mx6.comendosystems.net. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-01.azure-dns.com	13.107.236.1 2603:1061:0:700::1	ns1-01.azure-dns.com ns1-01.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-01.azure-dns.net	150.171.21.1 2620:1ec:8ec:700::1	ns2-01.azure-dns.net ns2-01.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-01.azure-dns.org	204.14.183.1 2a01:111:4000:700::1	ns3-01.azure-dns.org ns3-01.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-01.azure-dns.info	208.84.5.1 2620:1ec:bda:700::1	ns4-01.azure-dns.info ns4-01.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.102.28.178	3600s	—	AS8075	Microsoft Corporation	23.102.0.0/16	🇮🇪 Ireland	Dublin

📧 MX Records#

2 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx12.comendosystems.com	192.162.219.155 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	mx6.comendosystems.net	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 61ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

5 records 165ms

TXT Record
_qhlt33slxym2hsmr66wgwm011haoh9o
kbs-umb.azurewebsites.net
MS=ms82509826
ms82509826
v=spf1 ip4:185.136.116.12 ip4:89.221.167.227 ip4:89.221.167.228 ip4:89.221.167.247 ip4:77.66.124.106 include:spf.comendosystems.com include:spf.protection.outlook.com include:sendgrid.net include:spf.eu.signature365.net -all

✉️ SPF#

Policy	Record (kollegieboligselskabet.dk)
-all (hard fail)	v=spf1 ip4:185.136.116.12 ip4:89.221.167.227 ip4:89.221.167.228 ip4:89.221.167.247 ip4:77.66.124.106 include:spf.comendosystems.com include:spf.protection.outlook.com include:sendgrid.net include:spf.eu.signature365.net -all

📨 DMARC#

Policy	Record (_dmarc.kollegieboligselskabet.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:webmaster@kollegieboligselskabet.dk; ruf=mailto:webmaster@kollegieboligselskabet.dk

📬 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#

checked 2026-10-07 22:45:01

www	23.102.28.178 (AS8075) (address records, no CNAME)
www vs bare domain	Same network kollegieboligselskabet.dk: 23.102.28.178 (AS8075) www.kollegieboligselskabet.dk: 23.102.28.178 (AS8075)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u3755192.wl193.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u3755192.wl193.sendgrid.net	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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

67ms

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

🏷️ SOA#

34ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-01.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-23 06:33:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-12-16
Expires	2026-12-31 (66d)

🔗 Same registrant#

4 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
kollegium.dk	Punktum dk A/S (direct)
rrk.dk	Simply.com A/S
studiebolig-odense.dk	Punktum dk A/S (direct)
ungdomsboligerodense.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

34ms

47ms

AAAA

37ms

TXT

165ms

CAA

28ms

HTTPS

33ms

TLSA

247ms

SOA

34ms

MTA-STS

57ms

DNSSEC

67ms

SRV

61ms

Total

611ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 22:45:01 shown	611ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-30 23:36:41	540ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-26 00:22:10	981ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-27 11:34:48	1025ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-27 10:42:02	1221ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-21 12:26:43	1774ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-17 12:19:12	3221ms	4 NS 1 A 2 MX	🔓 Insecure