opitek.dk DNS records

🖥️ Nameservers2 records 44ms

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 Records1 records 41ms

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 Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	opitek-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::a 2a01:111:f403:ca09::e 2a01:111:f403:ca38::8 52.101.68.10 52.101.68.5 52.101.73.123 52.101.73.153	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as8pr05cu00401.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 Records1 records 250ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC115ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	dns-b.buildit.net
Responsible (RNAME)	hostmaster@buildit.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 RegistrationWHOIS fetched 2026-08-27 14:50:47

Field	Value
Registrar	NETIM
Registered	1998-11-03
Expires	2026-12-31 (120d)

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

41ms

MX

49ms

AAAA

42ms

TXT

250ms

CAA

45ms

HTTPS

38ms

TLSA

229ms

SOA

0ms

MTA-STS

65ms

DNSSEC

115ms

SRV

89ms

Total

861ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:49:43	861ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 05:10:10	2803ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 06:14:30	10850ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 23:46:54	9098ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-07-31 02:28:46	9328ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 18:59:32	1975ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 23:47:07	1349ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-12 17:41:25	1567ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 13:20:49	3334ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 01:49:59	904ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 14:01:09	1157ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 01:37:52	914ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 20:48:46	3544ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 15:31:07	1126ms	2 NS 1 A 1 MX	🔓 Insecure	View