duoteknik.dk

Records from scan: 2026-10-03 14:13:44 · 1337ms total · last checked 2026-10-16 11:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duoteknik.dk is a .dk domain served by 3 nameservers (ns1.stom.dk, ns2.stom.dk, ns3.stom.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.13.124 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by duoteknik-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 48ms

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 Records#

1 records 56ms

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	Copenhagen

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	duoteknik-dk.mail.protection.outlook.com	2a01:111:f403:ca09::22 2a01:111:f403:ca09::28 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::e 52.101.185.114 52.101.68.27 52.101.68.8 52.101.73.153	mail-am7pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 276ms

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

🧩 Web & zone#

checked 2026-10-10 00:11:03

www CNAME	duoteknik.dk (all on duoteknik.dk) → 87.116.13.124 (AS31027)
www vs bare domain	Same network duoteknik.dk: 87.116.13.124 (AS31027) www.duoteknik.dk: 87.116.13.124 (AS31027)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 5/10 · policy: ~all

No problems found

🔏 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)

🔐 DNSSEC#

70ms

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

🏷️ SOA#

47ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

56ms

67ms

AAAA

49ms

TXT

276ms

CAA

61ms

HTTPS

56ms

TLSA

717ms

SOA

47ms

MTA-STS

66ms

DNSSEC

70ms

SRV

86ms

Total

1337ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 14:13:44 shown	1337ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 09:15:29	1047ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-21 02:59:14	10692ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-01 23:55:45	993ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:20:07	2139ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:03:36	8853ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:00:23	666ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:00:17	1251ms	3 NS 1 A 1 MX	🔓 Insecure