s365.dk

📜 Historical scan 2026-07-03 00:28:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

s365.dk is a .dk domain served by 4 nameservers (ns1.absaconit.dk, ns2.absaconit.dk, ns3.absaconit.dk and 1 more). It was registered on 10 March 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.206.180.148 is hosted by Public Cloud Ltd. (AS205787) in Germany. Mail is handled by s365-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

4 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.absaconit.dk	185.136.96.99 2a06:fb00:1::1:99	pns101.cloudns.net pns101.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns2.absaconit.dk	185.136.97.99 2a06:fb00:1::2:99	pns102.cloudns.net pns102.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns3.absaconit.dk	185.136.98.99 2a06:fb00:1::3:99	pns103.cloudns.net pns103.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns4.absaconit.dk	185.136.99.99 2a06:fb00:1::4:99	pns104.cloudns.net pns104.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records#

2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.206.180.148	900s	32.http-proxy2.cloudns.net	AS205787	Public Cloud Ltd.	185.206.180.0/22	🇩🇪 Germany	—
185.206.180.180	900s	180.http4.cloudns.net	AS205787	Public Cloud Ltd.	185.206.180.0/22	🇩🇪 Germany	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	s365-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca04::d 2a01:111:f403:ca09::d 52.101.68.10 52.101.68.12 52.101.73.12 52.101.73.15	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a0b:1640:1:1:1005:1:1:1	900s	177.http4.cloudns.net	AS205787	Public Cloud Ltd.	2a0b:1640:1:0:0:0:0:0/48	🇧🇬 Bulgaria	—
2a0b:1640:1:1:1:1:c45:4c4f	900s	3.http-proxy2.cloudns.net	AS205787	Public Cloud Ltd.	2a0b:1640:1:0:0:0:0:0/48	🇧🇬 Bulgaria	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 224ms

TXT Record
MS=ms63033352
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (s365.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.s365.dk)
p=reject	v=DMARC1; p=reject

📬 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 2026-10-08 16:18:49

www	185.206.180.148 185.206.180.180 2a0b:1640:1:1:1005:1:1:1 2a0b:1640:1:1:1:1:c45:4c4f (AS205787) (address records, no CNAME)
www vs bare domain	Same network s365.dk: 185.206.180.148 185.206.180.180 2a0b:1640:1:1:1005:1:1:1 2a0b:1640:1:1:1:1:c45:4c4f (AS205787) www.s365.dk: 185.206.180.148 185.206.180.180 2a0b:1640:1:1:1005:1:1:1 2a0b:1640:1:1:1:1:c45:4c4f (AS205787)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-s365-dk._domainkey.erpsupportens365.n-v1.dkim.mail.microsoft	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9065ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2026030601
Primary NS (MNAME)	ns1.absaconit.dk
Responsible (RNAME)	support@absacon.dk
Refresh	7200s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-16 23:47:16

Field	Value
Registrar	Absacon IT ApS
Registered	2017-03-10
Expires	2027-03-31 (165d)

🔗 Same registrant#

7 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
dynamicnetwork.dk	Absacon IT ApS
erp-serviceplan.dk	Absacon IT ApS
erp-supporten.dk	Absacon IT ApS
erpserviceplan.dk	Absacon IT ApS
erpsupporten.dk	Absacon IT ApS
erpvidensportal.dk	Absacon IT ApS
navejendom.dk	Absacon IT ApS

📋 WHOIS#

⏱️ Lookup Timing#

40ms

39ms

AAAA

39ms

TXT

224ms

CAA

38ms

HTTPS

37ms

TLSA

247ms

SOA

36ms

MTA-STS

61ms

DNSSEC

9065ms

SRV

80ms

Total

9950ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 10:42:55	944ms	4 NS 2 A 1 MX	🔓 Insecure
2026-08-27 07:52:01	2910ms	4 NS 2 A 1 MX	🔓 Insecure
2026-07-03 00:28:17 shown	9950ms	4 NS 2 A 1 MX	🔓 Insecure
2026-06-25 06:19:15	2047ms	4 NS 2 A 1 MX	🔓 Insecure
2026-06-24 10:04:19	2237ms	4 NS 2 A 1 MX	❓ Unknown
2026-06-18 06:35:22	1315ms	4 NS 2 A 1 MX	🔓 Insecure