tekfo.dk

📜 Historical scan 2026-08-14 12:54:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tekfo.dk is a .dk domain served by 2 nameservers (dahlia.ns.cloudflare.com, quentin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.243 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 255ms

Nameserver	IP addresses	PTR	ASN / ISP
dahlia.ns.cloudflare.com	108.162.192.89 172.64.32.89 173.245.58.89 2606:4700:50::adf5:3a59 2803:f800:50::6ca2:c059 2a06:98c1:50::ac40:2059	dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
quentin.ns.cloudflare.com	108.162.195.7 162.159.44.7 172.64.35.7 2606:4700:58::a29f:2c07 2803:f800:50::6ca2:c307 2a06:98c1:50::ac40:2307	quentin.ns.cloudflare.com quentin.ns.cloudflare.com quentin.ns.cloudflare.com quentin.ns.cloudflare.com quentin.ns.cloudflare.com quentin.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 191ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.243	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.7	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 286ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:400c:c04::1a 2a00:1450:400c:c04::1a	lcfrai-in-f27.1e100.net wk-in-x1a.1e100.net wk-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 217ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4ff3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:ac07	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 207ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.243,172.67.172.7 ech=AEX+DQBB8QAgACBsbOlsAj09dCuFug1xZU827xEa0K0+YN5aDIWEW8zkPgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ff3,2606:4700:3034::ac43:ac07

📝 TXT Records#

2 records 608ms

TXT Record
google-site-verification=W4oGX3pOHuaz-RWyQOgoUW7hAxOacwhLJPIo8aCIECM
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (tekfo.dk)
-all (hard fail)	v=spf1 include:_spf.google.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 2026-10-09 22:20:17

www	104.21.79.243 172.67.172.7 2606:4700:3030::6815:4ff3 2606:4700:3034::ac43:ac07 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tekfo.dk: 104.21.79.243 172.67.172.7 2606:4700:3030::6815:4ff3 2606:4700:3034::ac43:ac07 (AS13335) www.tekfo.dk: 104.21.79.243 172.67.172.7 2606:4700:3030::6815:4ff3 2606:4700:3034::ac43:ac07 (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#

468ms

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	2412179305
Primary NS (MNAME)	dahlia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

255ms

191ms

286ms

AAAA

217ms

TXT

608ms

CAA

242ms

HTTPS

207ms

TLSA

419ms

SOA

0ms

MTA-STS

408ms

DNSSEC

468ms

SRV

347ms

Total

3602ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-04 23:52:47	760ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 23:39:13	946ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 11:38:19	3084ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 00:40:14	1342ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-23 13:53:18	4702ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-14 12:54:33 shown	3602ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-06 17:10:46	3927ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-25 02:23:41	1380ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-23 12:03:44	930ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 00:13:23	3979ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 04:04:01	953ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-19 17:06:43	886ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 07:45:34	976ms	2 NS 2 A 5 MX	🔓 Insecure