opitek.dk

📜 Historical scan 2026-07-03 13:20:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opitek.dk is a .dk domain served by 2 nameservers (dns-b.buildit.net, dns-c.buildit.eu). It was registered on 3 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.253 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by opitek-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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
dns-b.buildit.net	162.219.54.140 2620:10a:80eb::4c	dns-b.buildit.net dns-b.buildit.net	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
dns-c.buildit.eu	162.219.55.140 2620:10a:80ec::4c	dns-c.buildit.eu dns-c.buildit.eu	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I

🌍 A Records#

1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.253	3600s	linux340.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	opitek-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 52.101.68.15 52.101.68.36 52.101.73.1 52.101.73.8	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	93.191.156.253

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 268ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.opitek.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-15 10:51:45

www CNAME	opitek.dk (all on opitek.dk) → 93.191.156.253 (AS48854)
www vs bare domain	Same network opitek.dk: 93.191.156.253 (AS48854) www.opitek.dk: 93.191.156.253 (AS48854)
Wildcard	Yes: any name under the zone resolves

🔎 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#

2049ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070201
Primary NS (MNAME)	dns-b.buildit.net
Responsible (RNAME)	hostmaster@buildit.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-15 11:16:14

Field	Value
Registrar	NETIM
Registered	1998-11-03
Expires	2026-12-31 (75d)

🔗 Same registrant#

2 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
mediplast.dk	NETIM
opitek-international.dk	NETIM

📋 WHOIS#

⏱️ Lookup Timing#

41ms

51ms

67ms

AAAA

39ms

TXT

268ms

CAA

50ms

HTTPS

43ms

TLSA

668ms

SOA

0ms

MTA-STS

64ms

DNSSEC

2049ms

SRV

97ms

Total

3334ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 10:51:45	1511ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 11:02:52	2972ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 07:44:15	3766ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 05:01:57	1600ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-17 06:26:50	1933ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-11 15:23:34	2242ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 12:08:15	1000ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 14:49:43	861ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 05:10:10	2803ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-14 06:14:30	10850ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-06 23:46:54	9098ms	2 NS 1 A 1 MX	❓ Unknown
2026-07-31 02:28:46	9328ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 18:59:32	1975ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-16 23:47:07	1349ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-12 17:41:25	1567ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 13:20:49 shown	3334ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 01:49:59	904ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 14:01:09	1157ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 01:37:52	914ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 20:48:46	3544ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 15:31:07	1126ms	2 NS 1 A 1 MX	🔓 Insecure