3tech.dk

📜 Historical scan 2026-10-08 03:03:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3tech.dk is a .dk domain served by 2 nameservers (kurt.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 16 March 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.142 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by 3tech-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
kurt.ns.cloudflare.com	108.162.193.193 172.64.33.193 173.245.59.193 2606:4700:58::adf5:3bc1 2803:f800:50::6ca2:c1c1 2a06:98c1:50::ac40:21c1	kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nadia.ns.cloudflare.com	108.162.192.207 172.64.32.207 173.245.58.207 2606:4700:50::adf5:3acf 2803:f800:50::6ca2:c0cf 2a06:98c1:50::ac40:20cf	nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.142	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.103	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	3tech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca21::8 2a01:111:f403:ca21::e 52.101.103.143 52.101.103.36 52.101.209.28 52.101.68.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.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)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:338e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:b567	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.142,172.67.181.103 ech=AEX+DQBBFAAgACBHXY+hgrI2NVjWYbVWN2aWZbnJxZOyBznyRiOLIZvWTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:338e,2606:4700:3032::ac43:b567

📝 TXT Records#

8 records 162ms

TXT Record
2np78254c19lheg1drk93m4au5
3slu8f0sp63htmr445is94uiag
google-site-verification=NGLMN_ccVe0vfbk48XlXYHjy2-iQ1F2QCrQAc8zhuOQ
hng7jt2mdkn6ok1cev8h34g32p
l8henbaai5qsao811e3ah7au1v
MS=ms83840788
v=spf1 include:spf.protection.outlook.com -all
WB=vavc8tb82U+hR0LTnGpmPg

✉️ SPF#

Policy	Record (3tech.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-10 15:25:12

www	104.21.51.142 172.67.181.103 2606:4700:3030::6815:338e 2606:4700:3032::ac43:b567 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 3tech.dk: 104.21.51.142 172.67.181.103 2606:4700:3030::6815:338e 2606:4700:3032::ac43:b567 (AS13335) www.3tech.dk: 104.21.51.142 172.67.181.103 2606:4700:3030::6815:338e 2606:4700:3032::ac43:b567 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2416478701
Primary NS (MNAME)	kurt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 22:42:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-03-16
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

39ms

41ms

AAAA

40ms

TXT

162ms

CAA

34ms

HTTPS

32ms

TLSA

652ms

SOA

41ms

MTA-STS

54ms

DNSSEC

68ms

SRV

84ms

Total

1062ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 15:25:12	1712ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 03:03:19 shown	1062ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-04 03:05:03	912ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 21:58:27	883ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 20:21:52	1507ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 07:27:04	2270ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 02:26:22	1761ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 09:24:51	959ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 12:59:10	1959ms	2 NS 2 A 1 MX	🔓 Insecure