dtek.dk

📜 Historical scan 2026-09-20 12:38:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dtek.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 15 March 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.175 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dtek-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 110ms

Nameserver	IP addresses	PTR	ASN / ISP
ns07.sac-it.dk	85.235.243.63	ns07.sac-it.dk	AS3308 Norlys Telco A/S
ns08.sac-it.dk	128.76.60.63	ns08.sac-it.dk	AS3292 TDC Holding A/S

🌍 A Records#

1 records 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.175	3131s	vm1484.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3108s	dtek-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::b 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::a 52.101.68.29 52.101.68.36 52.101.73.123 52.101.73.155	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 461ms

TXT Record
MS=ms74009946
v=spf1 ip4:185.163.189.126 ip4:93.90.115.1/24 include:spf.protection.outlook.com include:_spf.xtracon.dk include:web.shared.mysmtp.com ~all

✉️ SPF#

Policy	Record (dtek.dk)
~all (soft fail)	v=spf1 ip4:185.163.189.126 ip4:93.90.115.1/24 include:spf.protection.outlook.com include:_spf.xtracon.dk include:web.shared.mysmtp.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#

latest probe, not this scan · checked 2026-10-15 02:07:15

www	185.21.40.175 (AS48854) (address records, no CNAME)
www vs bare domain	Same network dtek.dk: 185.21.40.175 (AS48854) www.dtek.dk: 185.21.40.175 (AS48854)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-dtek-dk._domainkey.dtek365.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: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

169ms

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	2026091701
Primary NS (MNAME)	ns07.sac-it.dk
Responsible (RNAME)	hostmaster@dtek.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-09 23:48:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-03-15
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

110ms

116ms

88ms

AAAA

131ms

TXT

461ms

CAA

92ms

HTTPS

112ms

TLSA

168ms

SOA

0ms

MTA-STS

116ms

DNSSEC

169ms

SRV

525ms

Total

1762ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 02:07:15	1232ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 12:58:43	2444ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 09:45:43	2429ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 08:17:49	858ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 02:25:51	1241ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 12:38:19 shown	1762ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-11 00:41:27	832ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 04:46:16	1581ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-02 03:25:28	1400ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 13:51:28	2330ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 20:08:52	6588ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-13 15:38:49	1755ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-06 09:23:15	1447ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 14:18:51	10063ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-17 22:41:24	3497ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-09 04:24:17	10044ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 15:33:58	659ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 22:23:54	1062ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 18:47:52	2640ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 04:50:22	502ms	2 NS 0 A 1 MX	🔓 Insecure