truesteel.dk

📜 Historical scan 2026-06-17 11:53:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

truesteel.dk is a .dk domain served by 2 nameservers (ns.web4u.cz, ns2.web4u.cz). It was registered on 21 February 2023 (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 163ms

Nameserver	IP addresses	PTR	ASN / 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

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.91.86.14	—	php7.web4u.cz	AS39790	Web4U s.r.o.	81.91.80.0/20	🇨🇿 Czechia	—

📧 MX Records#

2 records 143ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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 127ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 01:02:42

www	81.91.86.14 2001:1568::14 (AS39790) (address records, no CNAME)
www vs bare domain	Same network truesteel.dk: 81.91.86.14 2001:1568::14 (AS39790) www.truesteel.dk: 81.91.86.14 2001:1568::14 (AS39790)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

235ms

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

🏷️ SOA#

169ms

Field	Value
Serial	2025050900
Primary NS (MNAME)	ns.web4u.cz
Responsible (RNAME)	admin@web4u.cz
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	14400s

📋 Registration#

WHOIS fetched 2026-10-18 13:20:17

Field	Value
Registrar	Gransy s.r.o.
Registered	2023-02-21
Expires	2027-02-20 (121d)

🔗 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#

163ms

137ms

143ms

AAAA

127ms

TXT

332ms

CAA

148ms

HTTPS

174ms

TLSA

2077ms

SOA

169ms

MTA-STS

56ms

DNSSEC

235ms

SRV

0ms

Total

3115ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-28 07:09:04	2003ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-27 05:28:24	3921ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-19 14:17:30	1538ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 11:53:16 shown	3115ms	2 NS 1 A 2 MX	🔓 Insecure