taxgpt.dk

📜 Historical scan 2026-06-17 14:02:53  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

taxgpt.dk is a .dk domain served by 2 nameservers (ns.web4u.cz, ns2.web4u.cz). It was registered on 3 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.91.86.14 is hosted by Web4U s.r.o. (AS39790) in Czechia. Mail is handled by mx1.mailchannels.net, mx2.mailchannels.net. 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   108ms
NameserverIP addressesPTRASN / ISP
ns.web4u.cz 185.14.224.241
2001:1568:fd::241		 ns.web4u.cz
ns.web4u.cz		 AS39790 Web4U s.r.o.
AS39790 Web4U s.r.o.
ns2.web4u.cz 2a02:a40:100:28ff::12
85.207.53.12		 ns2.web4u.cz
ns2.web4u.cz		 AS25248 RADIOKOMUNIKACE a.s.
AS25248 RADIOKOMUNIKACE a.s.

🌍 A Records#

1 records   137ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.91.86.14 — php7.web4u.cz AS39790 Web4U s.r.o. 81.91.80.0/20 🇨🇿 Czechia —

📧 MX Records#

2 records   109ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.mailchannels.net 54.187.177.89 ec2-54-187-177-89.us-west-2.compute.amazonaws.com AS16509 Amazon.com, Inc.
10 — mx2.mailchannels.net 54.69.1.140 ec2-54-69-1-140.us-west-2.compute.amazonaws.com AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

1 records   116ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:1568::14 — php7.web4u.cz AS39790 Web4U s.r.o. 2001:1568:0:0:0:0:0:0/32 🇨🇿 Czechia —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ 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 2026-10-08 01:29:38
www81.91.86.14 2001:1568::14 (AS39790) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

239ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

116ms
FieldValue
Serial2025110301
Primary NS (MNAME)ns.web4u.cz
Responsible (RNAME)admin@web4u.cz
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)14400s

📋 Registration#

WHOIS fetched 2026-10-21 06:04:30
FieldValue
RegistrarGransy s.r.o.
Registered2025-11-03
Expires2026-11-02 (7d)

🔗 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#

NS
108ms
A
137ms
MX
109ms
AAAA
116ms
TXT
326ms
CAA
111ms
HTTPS
119ms
TLSA
2050ms
SOA
116ms
MTA-STS
170ms
DNSSEC
239ms
SRV
0ms
Total
3580ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 01:29:38 1092ms 2 NS 1 A 2 MX 🔓 Insecure
2026-10-03 09:25:20 1980ms 2 NS 1 A 2 MX 🔓 Insecure
2026-09-19 11:03:17 2466ms 2 NS 1 A 2 MX 🔓 Insecure
2026-08-28 09:40:18 3823ms 2 NS 1 A 2 MX 🔓 Insecure
2026-08-26 14:46:44 1156ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-17 14:02:53 shown 3580ms 2 NS 1 A 2 MX 🔓 Insecure
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