poly-tech.dk

📜 Historical scan 2026-08-19 11:01:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

poly-tech.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 16 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.107 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by polytech-dk01b.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 72ms

Nameserver	IP addresses	PTR	ASN / ISP
a.portsdns.se	2607:f740:e009::1 45.54.35.101	a.portsdns.se a.portsdns.se	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
b.portsdns.net	2a00:11c0:3d::1 94.16.23.1	b.portsdns.net b.portsdns.net	AS42354 Anexia Cloud Solutions GmbH AS42354 Anexia Cloud Solutions GmbH

🌍 A Records#

1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.107	28800s	vm1057.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	polytech-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca09::c 52.101.68.10 52.101.73.24 52.101.73.26 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00306.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
🔶 Autoconfig	185.21.40.107

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 440ms

TXT Record
_globalsign-domain-verification=IcYl5xIxvd78j5a0hdI1Gjki3PeZ3OtedixOL9JrtY
MS=ms79416936
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.poly-tech.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarcreport@poly-tech.dk; ruf=mailto:dmarcreport@poly-tech.dk; adkim=s; aspf=s;

📬 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 07:13:08

www	185.21.40.107 (AS48854) (address records, no CNAME)
www vs bare domain	Same network poly-tech.dk: 185.21.40.107 (AS48854) www.poly-tech.dk: 185.21.40.107 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-polytech-dk01b._domainkey.polytechas.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

249ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026081800
Primary NS (MNAME)	a.portsdns.se
Responsible (RNAME)	registry@ports.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	28800s

📋 Registration#

WHOIS fetched 2026-10-17 10:06:26

Field	Value
Registrar	Abion AB
Registered	2000-06-16
Expires	2027-06-30 (255d)

🔗 Same registrant#

1 domain

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
glps.dk	Abion AB

📋 WHOIS#

⏱️ Lookup Timing#

72ms

74ms

90ms

AAAA

88ms

TXT

440ms

CAA

62ms

HTTPS

65ms

TLSA

962ms

SOA

0ms

MTA-STS

216ms

DNSSEC

249ms

SRV

213ms

Total

3103ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 03:31:39	912ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 09:36:17	1956ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 05:30:18	972ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 18:47:59	8928ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 18:35:37	1398ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 11:01:40 shown	3103ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 18:53:11	1904ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-22 18:44:00	1507ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 16:23:40	10064ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:07:50	1049ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 23:41:53	919ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 20:55:21	2601ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 20:52:22	1422ms	2 NS 1 A 1 MX	🔒 Secure