chrastava.eu - robtex.com
chrastava.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:28:ca:110:10:3:0:12🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| PTR | cass2.gc-system.cz | ||||||
| A | 88.86.102.9🇨🇿 SuperNetwork88.86.96.0/19 s.r.o. | ||||||
| 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 2022-01-03 #1 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1124290553 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●A2a01:28:ca:110:10:3:0:122026-04-07 → 2026-05-17 · 2 obs
● 2026-05-17 13:56:10
●A88.86.102.92026-04-07 → 2026-05-17 · 2 obs
● 2026-05-17 13:56:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| chrastava.eu | ns.web4u.cz, ns2.web4u.cz | - |
✅ 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: 2352ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.86.102.9 |
| AAAA | 1 | 2a01:28:ca:110:10:3:0:12 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mx.web4u.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
IP Addresses
chrastava.eu maps to 88.86.102.9 and 2a01:28:ca:110:10:3:0:12.
zalaba.sk, zspopelin.cz, obeccierne.sk and 2 share IP numbers with chrastava.eu.
Name Servers
chrastava.eu delegates to ns2.web4u.cz and ns.web4u.cz as authoritative name servers.
The same NS records apply to chrastava.eu, 1-models.eu, milcono.com, cloudforge.cz and 2.
ns2.web4u.cz's A records are 85.207.53.12 and 2a02:a40:100:28ff::12.
185.14.224.241 and 2001:1568:fd::241 form the target of ns.web4u.cz.
Mail Servers
mx.web4u.cz handles mail for chrastava.eu.
chrastava.eu, eltvor.com, synonyma.cz, toodoo.cz and 2 use the same MX records.
chrastava.eu uses some of the same mail servers as plynove-vzpery.cz, sidus.cz, skiklinovec.cz and retailguide.cz
mx.web4u.cz resolves to 81.91.87.12 and 2001:1568::7012.