tfx.dk

Records from scan: 2026-10-23 23:08:28 · 1180ms total · last checked 2026-10-25 02:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tfx.dk is a .dk domain served by 5 nameservers (freedns1.registrar-servers.com, freedns2.registrar-servers.com, freedns3.registrar-servers.com and 2 more). It was registered on 17 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.simplelogin.co, mx2.simplelogin.co. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records 130ms

Nameserver	IP addresses	PTR	ASN / ISP
freedns1.registrar-servers.com	2605:9880:300:1400:101:1650:5e2:54 45.58.122.83	— —	AS23470 ReliableSite.Net LLC AS23470 ReliableSite.Net LLC
freedns2.registrar-servers.com	199.119.202.76 2604:6600:0:1b::2	pdns12.registrar-servers.com —	AS40676 Psychz Networks AS40676 Psychz Networks
freedns3.registrar-servers.com	195.154.94.174 2001:bc8:6006:4000:8218:44ff:feef:d720	freedns3.registrar-servers.com —	AS12876 Scaleway SAS AS12876 Scaleway SAS
freedns4.registrar-servers.com	2a02:29e0:1:103:103::1 95.141.37.127	— —	AS49367 Seflow s.r.l. AS49367 Seflow s.r.l.
freedns5.registrar-servers.com	2001:41d0:700:120f::1 54.36.109.15	— freedns5.registrar-servers.com	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 175ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1799s	mx1.simplelogin.co	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx2.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co mx1.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	1799s	mx2.simplelogin.co	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx2.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co mx1.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 641ms

TXT Record
sl-verification=yppxyxbsxiiaustobumexxcslzazom
v=spf1 include:simplelogin.co ~all

✉️ SPF#

Policy	Record (tfx.dk)
~all (soft fail)	v=spf1 include:simplelogin.co ~all

📨 DMARC#

Policy	Record (_dmarc.tfx.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s

📬 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#

checked 2026-10-23 23:08:28

www	NXDOMAIN
www vs bare domain	Neither resolves tfx.dk: no address www.tfx.dk: no address
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	dkim._domainkey.simplelogin.co	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

6 records 83ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.simplelogin.co	DANE-TA · SPKI · SHA-256	E5545E211347241891C554A03934CDE9…
SMTP _25._tcp.mx1.simplelogin.co	DANE-EE · SPKI · SHA-256	6B56DC55058100C47BEF4BB8020D2A24…
SMTP _25._tcp.mx1.simplelogin.co	DANE-TA · SPKI · SHA-256	8D02536C887482BC34FF54E41D2BA659…
SMTP _25._tcp.mx2.simplelogin.co	DANE-TA · SPKI · SHA-256	8D02536C887482BC34FF54E41D2BA659…
SMTP _25._tcp.mx2.simplelogin.co	DANE-TA · SPKI · SHA-256	E5545E211347241891C554A03934CDE9…
SMTP _25._tcp.mx2.simplelogin.co	DANE-EE · SPKI · SHA-256	6B56DC55058100C47BEF4BB8020D2A24…

🔐 DNSSEC#

216ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

177ms

Field	Value
Serial	1792784660
Primary NS (MNAME)	freedns1.registrar-servers.com
Responsible (RNAME)	hostmaster@registrar-servers.com
Refresh	43200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3601s

📋 Registration#

WHOIS fetched 2026-10-22 03:40:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-01-17
Expires	2027-03-31 (157d)

📋 WHOIS#

⏱️ Lookup Timing#

130ms

187ms

175ms

AAAA

175ms

TXT

641ms

CAA

73ms

HTTPS

188ms

TLSA

83ms

SOA

177ms

MTA-STS

349ms

DNSSEC

216ms

SRV

338ms

Total

1180ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 23:08:28 shown	1180ms	5 NS 0 A 2 MX	🔓 Insecure
2026-10-10 03:36:57	823ms	5 NS 0 A 2 MX	🔓 Insecure
2026-09-25 16:39:44	1170ms	5 NS 0 A 2 MX	🔓 Insecure
2026-09-24 16:30:43	931ms	5 NS 0 A 2 MX	🔓 Insecure
2026-09-04 16:41:04	5819ms	5 NS 0 A 2 MX	🔓 Insecure
2026-08-27 06:49:36	9817ms	5 NS 0 A 2 MX	🔓 Insecure
2026-08-13 15:51:10	9244ms	5 NS 0 A 2 MX	🔓 Insecure
2026-06-28 15:48:51	2333ms	5 NS 0 A 2 MX	🔓 Insecure
2026-06-25 07:35:38	6363ms	5 NS 0 A 2 MX	🔓 Insecure
2026-06-18 06:56:44	4715ms	5 NS 0 A 2 MX	🔓 Insecure