tekfo.dk

📜 Historical scan 2026-08-27 23:39:13  ·  ← 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 registered on 17 December 2015 (WHOIS) and 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   56ms
NameserverIP addressesPTRASN / 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   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   66ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s aspmx.l.google.com 2a00:1450:4010:c07::1a
2a00:1450:4010:c07::1a
64.233.164.27		 lf-in-f26.1e100.net
lf-in-x1a.1e100.net
lf-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 3600s alt1.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt2.aspmx.l.google.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1b		 mad01s14-in-f26.1e100.net
yukulwh-in-f26.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 3600s alt3.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1a		 so-in-f27.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt4.aspmx.l.google.com 108.177.125.27
2404:6800:4008:c01::1a		 tp-in-f27.1e100.net
tp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   40ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   51ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.79.243,172.67.172.7 ech=AEX+DQBBMgAgACAyKj91O2q6RdL0qFlcWTlYaj3BJo8nhoftP0Z2uI4/YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ff3,2606:4700:3034::ac43:ac07

📝 TXT Records#

2 records   195ms
TXT Record
google-site-verification=W4oGX3pOHuaz-RWyQOgoUW7hAxOacwhLJPIo8aCIECM
v=spf1 include:_spf.google.com -all

✉️ SPF#

PolicyRecord (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
www104.21.79.243 172.67.172.7 2606:4700:3030::6815:4ff3 2606:4700:3034::ac43:ac07 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 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#

79ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413074416
Primary NS (MNAME)dahlia.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 17:35:18
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2015-12-17
Expires2026-12-31 (73d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
510.dkPunktum dk A/S (direct)
computerbackup.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
56ms
A
51ms
MX
66ms
AAAA
40ms
TXT
195ms
CAA
55ms
HTTPS
51ms
TLSA
92ms
SOA
0ms
MTA-STS
79ms
DNSSEC
79ms
SRV
66ms
Total
946ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-04 23:52:47 760ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-27 23:39:13 shown 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 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
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