worksystem.dk

📜 Historical scan 2026-07-30 18:22:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

worksystem.dk is a .dk domain served by 2 nameservers (ns1.dnshost.net, ns2.dnshost.net). It was registered on 15 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.51.104.32 is hosted by Amazon.com, Inc. (AS16509) in Sweden. Mail is handled by worksystem-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 105ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnshost.net	2a0b:8e00::10 91.237.67.1	ns1.dnshost.net ns1.dnshost.net	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.dnshost.net	185.167.176.1 2a0b:8e00:1::10	ns2.dnshost.net ns2.dnshost.net	AS207021 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records#

1 records 8031ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.51.104.32	3592s	worksystem.se	AS16509	Amazon.com, Inc.	13.32.0.0/11	🇸🇪 Sweden	Stockholm

📧 MX Records#

1 records 8064ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	worksystem-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::d 52.101.68.16 52.101.68.29 52.101.73.26 52.101.73.6	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 111ms

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

📝 TXT Records#

3 records 378ms

TXT Record
facebook-domain-verification=s3va9muh6scpbm1koidsr13lfmcoao
MS=ms61268420
v=spf1 include:amazonses.com include:spf.protection.outlook.com ip4:13.51.104.32 -all

✉️ SPF#

Policy	Record (worksystem.dk)
-all (hard fail)	v=spf1 include:amazonses.com include:spf.protection.outlook.com ip4:13.51.104.32 -all

📨 DMARC#

Policy	Record (_dmarc.worksystem.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:koneo@worksystem.se; ruf=mailto:koneo@worksystem.se

📬 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 16:07:36

www	13.51.104.32 (AS16509) (address records, no CNAME)
www vs bare domain	Same network worksystem.dk: 13.51.104.32 (AS16509) www.worksystem.dk: 13.51.104.32 (AS16509)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-worksystem-dk._domainkey.worksystemse.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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1321ms

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

🏷️ SOA#

63ms

Field	Value
Serial	1749655567
Primary NS (MNAME)	ns1.dnshost.net
Responsible (RNAME)	zonemaster\@dnshost@net
Refresh	43200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 04:31:58

Field	Value
Registrar	Name SRS AB
Registered	2019-12-15
Expires	2026-12-31 (64d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

105ms

8031ms

8064ms

AAAA

8061ms

TXT

378ms

CAA

102ms

HTTPS

103ms

TLSA

260ms

SOA

63ms

MTA-STS

96ms

DNSSEC

1321ms

SRV

111ms

Total

25226ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 12:46:42	837ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-30 18:22:03 shown	25226ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 16:37:25	2982ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 23:35:58	828ms	2 NS 1 A 1 MX	🔓 Insecure