factorio.tech - robtex.com
factorio.tech
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mx.web4u.cz ⭐ | ||||||
| A | 2001:1568::7012🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | mx.web4u.cz | ||||||
| A | 81.91.87.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mx.web4u.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2023-04-05 #1 | ||||||
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | ns01.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1610832 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●A2001:1568::142026-02-20 → 2026-03-02 · 2 obs
● 2026-03-02 16:35:08
●A81.91.86.142026-02-20 → 2026-03-02 · 2 obs
● 2026-03-02 16:35:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| factorio.tech | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server: 85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for factorio.tech (unsigned zone)
⏱️ Timing
Total: 981ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mx.web4u.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)
Analysis
IP Addresses
factorio.tech points to two IPs: 2001:1568::14 and 81.91.86.14.
Other host names including www.cesky-raj.com, e-mobil.cz, ostravaslezskaostrava.com, 20as3979081.91.84.134m105.server4u.cz and cvikovacek.cz share IP numbers with factorio.tech.
Name Servers
factorio.tech's delegation uses two name servers, ns2.web4u.cz and ns.web4u.cz.
factorio.tech shares the same name server setup as other domains, for example tomiskova.com, prfa.cz, dmetal.cz, eliska-lenka.cz and petrak.cz.
factorio.tech at least partially shares name servers with other domains; for instance fairtom.com.
Host names with two IPs:
ns2.web4u.cz points to: 2a02:a40:100:28ff::12 and 85.207.53.12
ns.web4u.cz points to: 2001:1568:fd::241 and 185.14.224.241
Mail Servers
factorio.tech is handled by a single mail server, mx.web4u.cz.
factorio.tech shares its mail server setup with other domains, including xfilm.cz, abcenterprise.cz, floressecas.eu, knihovnaonline.cz and appleberry.cz.
factorio.tech shares some mail servers with other domains, at least partially, for instance chataorlik.cz.
mx.web4u.cz points to two IPs: 2001:1568::7012 and 81.91.87.12.