top365.cz - robtex.com
top365.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.32.182.55🇨🇿 ORELSOFT185.32.182.0/23 Orelsoft ROUTE | ||||||
| PTR | 55-182-32-185.orelsoft.cz | ||||||
| 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 | top365.cz ⭐ | ||||||
| A | 185.32.182.55🇨🇿 ORELSOFT185.32.182.0/23 Orelsoft ROUTE | ||||||
| PTR | 55-182-32-185.orelsoft.cz | ||||||
| TXT | v=spf1 a mx ip4:185.32.182.55 ~all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2026-01-23 #2 | ||||||
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=1778582838 | ||||||
MX for
top365.cz |
Subdomains
oajl.top365.cz |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
●NSns.web4u.cz2026-05-10 → 2026-05-12 · 3 obs
● 2026-05-10 05:32:26
● 2026-05-12 11:31:26
○NSns1.savana.cz2015-08-08 → 2020-01-04 · 4 obs
● 2020-01-04 05:56:00
○ 2026-05-10 05:32:26
○ 2026-05-12 11:31:26
○NSns2.savana.cz2015-08-08 → 2020-01-04 · 4 obs
● 2020-01-04 05:56:00
○ 2026-05-10 05:32:26
○ 2026-05-12 11:31:26
●NSns2.web4u.cz2026-05-10 → 2026-05-12 · 3 obs
● 2026-05-10 05:32:26
● 2026-05-12 11:31:26
○NSns3.savana.cz2015-08-08 → 2020-01-04 · 4 obs
● 2020-01-04 05:56:00
○ 2026-05-10 05:32:26
○ 2026-05-12 11:31:26
○MXmx1.savana.cz2015-08-08 → 2020-01-04 · 4 obs
● 2020-01-04 05:56:00
○ 2026-05-10 05:32:26
○ 2026-05-12 11:31:26
○MXmx2.savana.cz2015-08-08 → 2020-01-04 · 4 obs
● 2020-01-04 05:56:00
○ 2026-05-10 05:32:26
○ 2026-05-12 11:31:26
●MXtop365.cz2026-05-10 → 2026-05-12 · 3 obs
● 2026-05-10 05:32:26
● 2026-05-12 11:31:26
●A185.32.182.552026-05-10 → 2026-05-12 · 3 obs
● 2026-05-10 05:32:26
● 2026-05-12 11:31:26
○A217.16.187.172015-08-08 → 2020-01-04 · 4 obs
● 2020-01-04 05:56:00
○ 2026-05-10 05:32:26
○ 2026-05-12 11:31:26
○A2a00:1ed0:1:1800:7:0:9c00:12015-08-08 → 2020-01-04 · 4 obs
● 2020-01-04 05:56:00
○ 2026-05-10 05:32:26
○ 2026-05-12 11:31:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| top365.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1293ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.32.182.55 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | top365.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:185.32.182.55 ~all |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Hierarchy
oajl.top365.cz is a child of top365.cz.
Mail Server Role
top365.cz serves as the mail server for top365.cz.
IP Addresses
top365.cz resolves to one IP number: 185.32.182.55.
Other host names, for example oajl.top365.cz, share IP numbers with top365.cz.
Name Servers
top365.cz's delegation uses two name servers: ns2.web4u.cz and ns.web4u.cz.
top365.cz uses the same name server setup as other domains, such as stapox.cz, designgate.cz, stomatologieostrava.cz, zse.cz and instalace-atep.cz.
top365.cz at least partially shares name servers with other domains, for example palstat.sk.
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
top365.cz is handled by a single mail server, top365.cz.
Host name top365.cz resolves to a single IP: 185.32.182.55.