polygon.dk

📜 Historical scan 2026-10-03 12:38:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

polygon.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.31.36.240 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by polygon-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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	156.154.130.100 2610:a1:1022::100	ns7.netnames.net ns3.ascio.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
dns2.cscdns.net	156.154.131.100 2610:a1:1023::100	ns2.netnames.net ns3.euro909.com	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.31.36.240	300s	—	AS8075	Microsoft Corporation	20.0.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	polygon-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::28 2a01:111:f403:ca21::e 2a01:111:f403:ca48::c 52.101.103.36 52.101.185.21 52.101.68.12 52.101.68.21	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 81ms

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

📝 TXT Records#

1 records 317ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.polygon.dk)
p=reject	v=DMARC1; p=reject; pct=100; sp=reject; adkim=s; aspf=s; fo=1;

📬 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 2026-10-07 21:23:21

www CNAME	polygon.dk (all on polygon.dk) → 20.31.36.240 (AS8075)
www vs bare domain	Same network polygon.dk: 20.31.36.240 (AS8075) www.polygon.dk: 20.31.36.240 (AS8075)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-polygon-dk._domainkey.polygongroup.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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.polygon.dk	_acme-challenge.nomoist.net

🔗 TLSA / DANE#

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

🔐 DNSSEC#

65ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2023060818
Primary NS (MNAME)	dns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-18 03:03:25

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1997-01-31
Expires	2027-03-31 (161d)

🔗 Same registrant#

12 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
brandskader.dk	CSC Digital Brand Service, Inc
danskbygningskontrol-polygon.dk	CSC Digital Brand Service, Inc
db-polygon.dk	CSC Digital Brand Service, Inc
polygonfugtteknik.dk	CSC Digital Brand Service, Inc
polygonleakdetection.dk	CSC Digital Brand Service, Inc
polygonskadebegraensning.dk	CSC Digital Brand Service, Inc
polygonskadebegrænsning.dk	CSC Digital Brand Service, Inc
quickdoc.dk	CSC Digital Brand Service, Inc
skadeservice.dk	CSC Digital Brand Service, Inc
sodskader.dk	CSC Digital Brand Service, Inc
vandskade.dk	CSC Digital Brand Service, Inc
vandskader.dk	CSC Digital Brand Service, Inc

📋 WHOIS#

⏱️ Lookup Timing#

50ms

44ms

48ms

AAAA

41ms

TXT

317ms

CAA

44ms

HTTPS

53ms

TLSA

487ms

SOA

50ms

MTA-STS

60ms

DNSSEC

65ms

SRV

81ms

Total

1031ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:23:21	1104ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-03 12:38:58 shown	1031ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-16 17:02:31	1611ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 19:02:10	818ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 06:21:08	19769ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 04:06:26	1082ms	2 NS 1 A 1 MX	🔓 Insecure