cot.cz - robtex.com
cot.cz
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=1771291036 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSns.forpsi.cn2008-12-13 → 2008-12-13 · 3 obs
○ 2015-08-05 23:54:50
○ 2026-03-14 11:10:34
●NSns.forpsi.it2015-08-05 → 2026-03-14 · 3 obs
● 2015-08-05 23:54:50
● 2026-03-14 11:10:34
●NSns.forpsi.net2008-12-13 → 2026-03-14 · 2 obs
● 2026-03-14 11:10:34
○NSns.forpsi.us2008-12-13 → 2008-12-13 · 3 obs
○ 2015-08-05 23:54:50
○ 2026-03-14 11:10:34
●MXcot-cz.mail.eo.outlook.com2015-08-05 → 2026-03-14 · 3 obs
● 2015-08-05 23:54:50
● 2026-03-14 11:10:34
○MXcotgwe.cot.cz2008-12-13 → 2008-12-13 · 3 obs
○ 2015-08-05 23:54:50
○ 2026-03-14 11:10:34
●A185.129.138.2022026-02-15 → 2026-03-14 · 3 obs
● 2026-02-15 13:09:32
● 2026-03-14 11:10:34
○A31.31.75.2112015-08-05 → 2017-01-13 · 5 obs
● 2015-08-05 23:54:50
● 2017-01-13 12:44:52
○ 2021-03-29 16:55:54
○ 2026-03-14 11:10:34
○A81.91.85.522008-12-13 → 2008-12-13 · 3 obs
○ 2015-08-05 23:54:50
○ 2026-03-14 11:10:34
○A95.168.198.1992021-03-29 → 2021-03-29 · 4 obs
● 2021-03-29 16:55:54
○ 2026-02-15 13:09:32
○ 2026-03-14 11:10:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| cot.cz | ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server: 81.2.209.185
NS records: ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2139ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.129.138.202 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | cot-cz.mail.eo.outlook.com (pri: 0) |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.forpsi.net admin.forpsi.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
Hierarchy
cot.cz is a parent of cotgwe.cot.cz and www.cot.cz.
IP Addresses
cot.cz resolves to one IP number: 185.129.138.202.
other host names including domyvbrezinevsi.com, hanko.cz, alfasolar.cz, vrtane-studny-smejkal.cz and skateboarding.sk share IP numbers with cot.cz.
Name Servers
cot.cz is delegated to three name servers ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
cot.cz at least partially shares name servers with other domains, for instance farnostzleby.cz, 192.2.81.in-addr.arpa, mindpro.cz, kurpel.eu and coraline.cz.
these name servers are commonly used alongside ns.forpsi.us.
Host names with two IP numbers:
ns.forpsi.cz points to: 2001:15e8:201:1::d1b9 and 81.2.209.185.
ns.forpsi.it points to: 2a00:6d41:2:1::5 and 95.110.254.165.
ns.forpsi.net points to: 2001:15e8:101:1::c282 and 81.2.194.130.
Mail Servers
cot.cz is handled by a single mail server, cot-cz.mail.eo.outlook.com.
Host cot-cz.mail.eo.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::6, 52.101.68.32, 52.101.73.12, 52.101.73.16 and 52.101.73.19.