celstat.com - dns.ninja
celstat.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 40.115.33.198🇳🇱 Microsoft40.112.0.0/13 | ||||||
| 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 2013-11-08 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1781868415 | ||||||
Subdomains
mail.celstat.com |
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
○MXmail.celstat.com2015-06-17 → 2017-02-12 · 4 obs
● 2017-02-12 11:16:46
○ 2019-12-30 13:12:52
○ 2026-06-19 11:47:04
●MXmx.web4u.cz2019-12-30 → 2026-06-19 · 3 obs
● 2019-12-30 13:12:52
● 2026-06-19 11:47:04
●A40.115.33.1982026-02-27 → 2026-06-19 · 3 obs
● 2026-02-27 17:00:52
● 2026-06-19 11:47:04
○A86.49.187.2282015-06-17 → 2019-12-30 · 4 obs
● 2019-12-30 13:12:52
○ 2026-02-27 17:00:52
○ 2026-06-19 11:47:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net... | - |
| celstat.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for celstat.com (unsigned zone)
⏱️ Timing
Total: 1765ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 40.115.33.198 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mx.web4u.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Hierarchy
mail.celstat.com is delegated beneath celstat.com.
IP Addresses
celstat.com resolves to one IP address: 40.115.33.198.
bco.cz, umendliku.cz, linako.cz and two other host names share IP numbers with celstat.com.
Name Servers
celstat.com has two authoritative name servers — ns2.web4u.cz and ns.web4u.cz.
celstat.com uses the same name servers as several other domains — among them zsed.cz, p-atelier.cz, barbie-obchod.cz and two more.
Both ns2.web4u.cz and ns.web4u.cz have two IP addresses each. ns2.web4u.cz resolves to 85.207.53.12 and 2a02:a40:100:28ff::12; ns.web4u.cz resolves to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
Mail for celstat.com is handled by a single mail server, mx.web4u.cz.
celstat.com uses an identical mail server configuration to several other domains — among them frontend.cz, metatypo.com, miraclis.eu and two more.
The mail servers of celstat.com overlap at least partially with those of other domains, including elubra.cz, ssrkunice.cz and biza.info.
mx.web4u.cz carries two IP numbers: 81.91.87.12 and 2001:1568::7012.