charvat.eu - robtex.com
charvat.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.91.86.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | php53.web4u.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 | mx1.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-05 #0 | ||||||
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=1126442937 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
○MXmail.charvat.eu2015-07-01 → 2017-08-08 · 4 obs
● 2017-08-08 23:39:16
○ 2026-06-10 05:39:32
○ 2026-07-25 19:04:12
●MXmx1.mailchannels.net2026-06-10 → 2026-07-25 · 3 obs
● 2026-06-10 05:39:32
● 2026-07-25 19:04:12
●MXmx2.mailchannels.net2026-06-10 → 2026-07-25 · 3 obs
● 2026-06-10 05:39:32
● 2026-07-25 19:04:12
●A81.91.86.122015-07-01 → 2026-07-25 · 2 obs
● 2026-07-25 19:04:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | be.dns.eu, x.dns.eu, y.dns.eu, w.dns.eu... | - |
| charvat.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: 1153ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.12 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
IP Addresses
charvat.eu directs to one IP number, which is 81.91.86.12.
Among the host names that share IP numbers with charvat.eu are psychotesty-pro-ridice-praha.cz, besrenova.cz, attopen.cz and two others.
Name Servers
charvat.eu is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
charvat.eu has the same name server delegation as a number of other domains, such as family-go.ch, nuevo.cz, upis.cz and two more.
ns2.web4u.cz and ns.web4u.cz each resolve to two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, while ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
The MX records for charvat.eu point to two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
charvat.eu has the same mail server arrangement as a number of other domains, for example ariespeople.com, gaincast.com, snipercentral.com and two more.
At least a portion of charvat.eu's mail servers are shared with other domains, among them kellkvist.com and talkmath.org.
mx1.mailchannels.net and mx2.mailchannels.net both resolve to the same single IP address: 54.69.1.140.
mx1.mailchannels.net and mx2.mailchannels.net are host names that each point to 54.69.1.140 IP addresses.