profe.cz - robtex.com
profe.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.167.31🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-167-31.reverse.odns.fr | ||||||
| NS | ns1.o2switch.net ⭐ | ||||||
| A | 109.234.160.5🇫🇷 O2SWITCH109.234.160.0/24 o2switch Internet Routing | ||||||
| PTR | ns1.o2switch.net | ||||||
| NS | ns2.o2switch.net | ||||||
| A | 109.234.161.5🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing | ||||||
| PTR | ns2.o2switch.net | ||||||
| MX | mail.profe.cz ⭐ | ||||||
| A | 109.234.167.31🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-167-31.reverse.odns.fr | ||||||
| TXT | v=spf1 ip4:109.234.167.31 +a +mx +include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsysadmin@o2switch.fr 2025-12-22 #4 | ||||||
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=1785782841 | ||||||
Subdomains
mail.profe.cz |
Same first word
profe.hu |
profe.sk |
profe.ca |
profe.co |
profe.net |
profe.es |
profe.cl |
profe.co.kr |
profe.tech |
profe.social |
profe.info |
profe.org |
profe.com.tr |
profe.ru |
profe.de |
profe.com.ua |
profe.cz |
profe.com |
Similar names
DNS History
9 records (4 active, 5 former)
○NSns.sinfin.cz2015-07-15 → 2017-03-25 · 4 obs
● 2017-03-25 12:05:14
○ 2026-06-13 08:52:32
○ 2026-08-03 19:45:24
●NSns1.o2switch.net2026-06-13 → 2026-08-03 · 3 obs
● 2026-06-13 08:52:32
● 2026-08-03 19:45:24
●NSns2.o2switch.net2026-06-13 → 2026-08-03 · 3 obs
● 2026-06-13 08:52:32
● 2026-08-03 19:45:24
○NSns2.sinfin.cz2015-07-15 → 2017-03-25 · 4 obs
● 2017-03-25 12:05:14
○ 2026-06-13 08:52:32
○ 2026-08-03 19:45:24
○NSns3.sinfin.cz2015-07-15 → 2017-03-25 · 4 obs
● 2017-03-25 12:05:14
○ 2026-06-13 08:52:32
○ 2026-08-03 19:45:24
○MXmail-backup.virtualzone.eu2015-11-20 → 2017-03-25 · 4 obs
● 2017-03-25 12:05:14
○ 2026-06-13 08:52:32
○ 2026-08-03 19:45:24
●MXmail.profe.cz2015-11-20 → 2026-08-03 · 2 obs
● 2026-08-03 19:45:24
●A109.234.167.312026-06-13 → 2026-08-03 · 3 obs
● 2026-06-13 08:52:32
● 2026-08-03 19:45:24
○A77.78.95.512015-07-15 → 2017-03-25 · 4 obs
● 2017-03-25 12:05:14
○ 2026-06-13 08:52:32
○ 2026-08-03 19:45:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| profe.cz | ns1.o2switch.net, ns2.o2switch.net | - |
✅ Authoritative Response
Server:109.234.161.5
NS records: ns1.o2switch.net, ns2.o2switch.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for profe.cz (unsigned zone)
⏱️ Timing
Total: 1228ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.167.31 |
| NS | 2 | ns2.o2switch.net, ns1.o2switch.net |
| MX | 1 | mail.profe.cz (pri: 0) |
| TXT | 1 | v=spf1 ip4:109.234.167.31 +a +mx +includ |
| SOA | 1 | ns1.o2switch.net sysadmin.o2switch.fr |
Analysis
Hierarchy
profe.cz is a parent domain of mail.profe.cz.
IP Addresses
profe.cz points to a single IP number: 109.234.167.31.
Additional host names — studio-ubik.com, twincom.fr, atangadom.com and two others — share IP numbers with profe.cz.
Name Servers
DNS delegation for profe.cz points to two name servers: ns1.o2switch.net and ns2.o2switch.net.
profe.cz shares its name server setup with other domains, including zuidlimburgvakanties.com, tonyswierz.com, planetinformatys.com and two others.
ns1.o2switch.net and ns2.o2switch.net each resolve to one IP number: ns1.o2switch.net points to 109.234.160.5 and ns2.o2switch.net points to 109.234.161.5.
Mail Servers
profe.cz has one mail server: mail.profe.cz.
mail.profe.cz has exactly one IP number: 109.234.167.31.