tfdk.dk

📜 Historical scan 2026-06-17 14:32:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tfdk.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 15 April 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.132.172.77 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx.spamexperts.com, fallbackmx.spamexperts.eu and 1 more. 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#

3 records 2143ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5 2001:67c:192c::add:5	helium.ns.hetzner.de helium.ns.hetzner.de	AS12337 noris network AG AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 2186ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.132.172.77	—	linux2.itfirmaet.dk	AS24940	Hetzner Online GmbH	142.132.128.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records#

3 records 2144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.spamexperts.com	154.59.104.23 2001:978:2:7::162:100	fe2-r3-in.ams14.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
20	—	fallbackmx.spamexperts.eu	149.13.75.27 154.59.104.23 154.59.193.124 2001:978:2:2c::137:100 2001:978:2:6::f:124 2001:978:2:7::162:100	fe1-r3-in.fra02.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
30	—	lastmx.spamexperts.net	149.13.75.27 154.59.104.23 2001:550:2:3::62:100 2001:550:2:61::2fc:100 2001:978:2:2c::137:100 2001:978:2:7::162:100 38.71.16.244 38.89.254.156	fe1-r3-in.fra02.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe2-r2-in.la10.l.antispamcloud.com — fe2-r3-in.ams14.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com fe2-r2-in.la10.l.antispamcloud.com fe1-r2-in.ch03.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS16633 N-able Technologies, Inc. AS16633 N-able Technologies, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 3603ms

TXT Record
google-site-verification=LJ59yXnBzBQmJwr4TkBVvPIIE9OpmwDaBat3YKmmst8
v=spf1 mx a include:spf.itfirmaet.dk -all

✉️ SPF#

Policy	Record (tfdk.dk)
-all (hard fail)	v=spf1 mx a include:spf.itfirmaet.dk -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 2026-10-08 22:02:27

www CNAME	tfdk.dk (all on tfdk.dk) → 142.132.172.77 (AS24940)
www vs bare domain	Same network tfdk.dk: 142.132.172.77 (AS24940) www.tfdk.dk: 142.132.172.77 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2210ms

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

🏷️ SOA#

2134ms

Field	Value
Serial	2026010701
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 20:41:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-04-15
Expires	2027-04-30 (195d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

2143ms

2186ms

2144ms

AAAA

2158ms

TXT

3603ms

CAA

2135ms

HTTPS

188ms

TLSA

562ms

SOA

2134ms

MTA-STS

300ms

DNSSEC

2210ms

SRV

0ms

Total

5896ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:04:23	759ms	3 NS 1 A 3 MX	🔓 Insecure
2026-07-02 23:04:46	10007ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-21 05:51:18	1780ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-20 20:28:45	1206ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 17:32:16	1144ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-20 00:42:15	2131ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-17 14:32:58 shown	5896ms	3 NS 1 A 3 MX	🔓 Insecure