duoteknik.dk DNS records

🖥️ Nameservers3 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.stom.dk	172.105.72.183 2a01:7e01::f03c:94ff:fe6a:805d	ns1.dnsresolve.io —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud
ns2.stom.dk	152.115.36.124	—	AS31027 GlobalConnect A/S
ns3.stom.dk	212.71.233.109 2a01:7e00::f03c:94ff:fe9f:2cca	212-71-233-109.ip.linodeusercontent.com —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.13.124	3600s	s8.stom.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	—

📧 MX Records1 records 129ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	duoteknik-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 2a01:111:f403:ca09::c 52.101.68.18 52.101.73.11 52.101.73.16 52.101.73.19	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 52.98.149.136

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 314ms

TXT Record
v=spf1 ip4:87.116.13.124 +a +mx include:spf.protection.outlook.com include:spf.minuba.dk include:_custspf.one.com ~all

✉️ SPF

Policy	Record (duoteknik.dk)
~all (soft fail)	v=spf1 ip4:87.116.13.124 +a +mx include:spf.protection.outlook.com include:spf.minuba.dk include:_custspf.one.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.duoteknik.dk	lMCjmP1PTA_9IMF2n_CKQukaiwHOucsJJCsgqhW5_b0

🔗 TLSA / DANE

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

🔐 DNSSEC145ms

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

🏷️ SOA38ms

Field	Value
Serial	2025051299
Primary NS (MNAME)	ns1.stom.dk
Responsible (RNAME)	cpanel@stom.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

42ms

A

46ms

MX

129ms

AAAA

86ms

TXT

314ms

CAA

79ms

HTTPS

98ms

TLSA

240ms

SOA

38ms

MTA-STS

178ms

DNSSEC

145ms

SRV

150ms

Total

993ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-01 23:55:45	993ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 05:20:07	2139ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 05:03:36	8853ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 05:00:23	666ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 05:00:17	1251ms	3 NS 1 A 1 MX	🔓 Insecure	View