sofist.cz - robtex.com
sofist.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.22.68.80🇨🇿 ADCSYSTEMS89.22.64.0/19 DAC-route-new | ||||||
| PTR | web.sofist.cz | ||||||
| NS | ns.ipg.sk ⭐ ⚠️ Not in parent delegation | ||||||
| A | 185.23.114.50🇸🇰 LEKOS185.23.114.0/23 | ||||||
| PTR | ns.ipg.sk | ||||||
| NS | ns-us.sofist.cz | ||||||
| A | 2605:a140:2230:7333::1🇺🇸 CONTABO-USA2605:a140::/32 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States | ||||||
| PTR | ns-us.sofist.cz | ||||||
| A | 212.28.184.4🇮🇹 CONTABO-USA212.28.184.0/21 | ||||||
| PTR | ns-us.sofist.cz | ||||||
| NS | ns.sofist.cz | ||||||
| A | 89.22.68.21🇨🇿 ADCSYSTEMS89.22.64.0/19 DAC-route-new | ||||||
| PTR | ns.sofist.cz | ||||||
| MX | smtp.sofist.cz ⭐ | ||||||
| A | 89.22.68.81🇨🇿 ADCSYSTEMS89.22.64.0/19 DAC-route-new | ||||||
| PTR | smtp.sofist.cz | ||||||
| MX | mail.domain.sk(30) | ||||||
| A | 185.23.114.56🇸🇰 LEKOS185.23.114.0/23 | ||||||
| PTR | mail.domain.sk | ||||||
| TXT | v=spf1 ip4:85.248.10.6 ip4:89.22.68.81 ip4:81.90.253.216 ip4:46.135.234.55 ip... | ||||||
| SOA | ns.ipg.skdrotar@ipg.sk 2026-04-22 #1 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1776943035 | ||||||
Subdomains
www.sofist.cz |
secure.sofist.cz |
ns.sofist.cz |
demokritos.sofist.cz |
smtp.sofist.cz |
platon.sofist.cz |
web.sofist.cz |
drotar.sofist.cz |
ns-us.sofist.cz |
epikuros.sofist.cz |
protagoras.sofist.cz |
misu.sofist.cz |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns-us.sofist.cz2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 03:06:14
● 2026-04-23 11:41:46
●NSns.sofist.cz2015-08-29 → 2026-04-23 · 2 obs
● 2026-04-23 11:41:46
●MXmail.domain.sk2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 03:06:14
● 2026-04-23 11:41:46
○MXns.ipg.sk2015-08-29 → 2018-01-28 · 4 obs
● 2018-01-28 12:18:58
○ 2026-02-16 03:06:14
○ 2026-04-23 11:41:46
○MXns.sofist.cz2015-08-29 → 2018-01-28 · 4 obs
● 2018-01-28 12:18:58
○ 2026-02-16 03:06:14
○ 2026-04-23 11:41:46
○MXplaton.sofist.cz2015-08-29 → 2018-01-28 · 4 obs
● 2018-01-28 12:18:58
○ 2026-02-16 03:06:14
○ 2026-04-23 11:41:46
●MXsmtp.sofist.cz2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 03:06:14
● 2026-04-23 11:41:46
○A81.0.228.1772015-08-29 → 2018-01-28 · 4 obs
● 2018-01-28 12:18:58
○ 2026-02-16 03:06:14
○ 2026-04-23 11:41:46
●A89.22.68.802026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 03:06:14
● 2026-04-23 11:41:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz | - |
| sofist.cz | ns.ipg.sk, ns.sofist.cz, ns-us.sofist.cz | 3 records |
✅ Authoritative Response
Server:89.22.68.21
NS records: ns.ipg.sk, ns.sofist.cz, ns-us.sofist.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 729ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.22.68.80 |
| NS | 3 | ns.ipg.sk, ns.sofist.cz... |
| MX | 2 | smtp.sofist.cz (pri: 0), mail.domain.sk (pri: 30) |
| TXT | 1 | v=spf1 ip4:85.248.10.6 ip4:89.22.68.81 i |
| SOA | 1 | ns.ipg.sk drotar.ipg.sk |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (ns.sofist.cz, ns-us.sofist.cz, ns-us.sofist.cz)
Analysis
Hierarchy
sofist.cz is a parent of www.sofist.cz, secure.sofist.cz, ns.sofist.cz, demokritos.sofist.cz and smtp.sofist.cz, plus a few other host names.
IP Addresses
sofist.cz resolves to one IP number: 89.22.68.80.
Other host names, for instance www.sofist.cz, dzaniben.cz, sql.cz, klaviry.cz and cybermiss.cz share IP numbers with sofist.cz.
Name Servers
sofist.cz is delegated to three name servers: ns-us.sofist.cz, ns.sofist.cz and ns.ipg.sk.
sofist.cz at least partially shares name servers with other domains, including podcast.sk, propressburg.sk, postgresql.sk, mediafaxbiz.cz and sportonline.sk.
These name servers are commonly used with rumcajz.pcv.cz.
Host names with two IP numbers:
ns-us.sofist.cz points to: 2605:a140:2230:7333::1 and 212.28.184.4.
Host names with one IP number:
ns.sofist.cz points to: 89.22.68.21.
ns.ipg.sk points to: 185.23.114.50.
Mail Servers
sofist.cz is served by two mail servers smtp.sofist.cz and mail.domain.sk.
sofist.cz shares the same mail server setup as other domains, for instance singularity.cz, drotar.cz, nanook.cz, ipg.sk and zlacky.com.
sofist.cz shares at least some mail servers with other domains, for example bauoptimierung.eu, mailbox.sk, cybermiss.cz, alnico.sk and sostmi.sk.
These mail servers are often used with one.hotair.cz and esmeralda.ipg.sk.
Host names with a single IP address: smtp.sofist.cz points to 89.22.68.81; mail.domain.sk points to 185.23.114.56.