tf4.dk

📜 Historical scan 2026-10-03 23:10:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tf4.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 7 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.103 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.103	3600s	linux224.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	173.194.220.26 173.194.221.26 173.194.221.27 173.194.222.26 173.194.222.27 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lk-in-x1a.1e100.net lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-x1b.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lo-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.156.103
🔶 Autoconfig	93.191.156.103

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 124ms

TXT Record
google-site-verification=IX2Xj9b0PojX3InGuIgnDl402u6WHOEvxUp44qfAJc0

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-13 09:41:34

www	93.191.156.103 (AS48854) (address records, no CNAME)
www vs bare domain	Same network tf4.dk: 93.191.156.103 (AS48854) www.tf4.dk: 93.191.156.103 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

138ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

34ms

Field	Value
Serial	2026100300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 23:27:02

Field	Value
Registrar	Simply.com A/S
Registered	2026-06-07
Expires	2027-06-06 (231d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

33ms

AAAA

32ms

TXT

124ms

CAA

33ms

HTTPS

30ms

TLSA

111ms

SOA

34ms

MTA-STS

64ms

DNSSEC

138ms

SRV

64ms

Total

1302ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 09:41:34	656ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 23:10:01 shown	1302ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:05:49	15208ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-06 04:26:37	655ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 18:41:52	2418ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-27 17:16:08	567ms	3 NS 0 A 0 MX	🔒 Secure
2026-08-25 05:57:52	379ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-24 12:09:18	509ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-17 13:07:38	469ms	3 NS 0 A 0 MX	🔒 Secure