barvicky.eu - robtex.com
barvicky.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| 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 2026-02-26 #2 | ||||||
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=1124135854 | ||||||
Subdomains
mail.barvicky.eu |
Same first word
barvicky.eu |
DNS History
10 records (6 active, 4 former)
○NSalfa.ns.active24.cz2015-04-13 → 2020-02-07 · 4 obs
● 2020-02-07 14:22:46
○ 2026-03-07 23:20:52
○ 2026-05-12 16:14:14
○NSbeta.ns.active24.cz2015-04-13 → 2020-02-07 · 4 obs
● 2020-02-07 14:22:46
○ 2026-03-07 23:20:52
○ 2026-05-12 16:14:14
●NSns.web4u.cz2026-03-07 → 2026-05-12 · 3 obs
● 2026-03-07 23:20:52
● 2026-05-12 16:14:14
●NSns2.web4u.cz2026-03-07 → 2026-05-12 · 3 obs
● 2026-03-07 23:20:52
● 2026-05-12 16:14:14
●MXmx1.mailchannels.net2026-03-07 → 2026-05-12 · 2 obs
● 2026-05-12 16:14:14
●MXmx2.mailchannels.net2026-03-07 → 2026-05-12 · 2 obs
● 2026-05-12 16:14:14
○A109.238.40.552026-03-07 → 2026-05-12 · 2 obs
○ 2026-05-12 16:14:14
●A2001:1568::142026-03-07 → 2026-05-12 · 3 obs
● 2026-03-07 23:20:52
● 2026-05-12 16:14:14
○A213.188.130.1482015-04-13 → 2020-02-07 · 4 obs
● 2020-02-07 14:22:46
○ 2026-03-07 23:20:52
○ 2026-05-12 16:14:14
●A81.91.86.142026-03-07 → 2026-05-12 · 3 obs
● 2026-03-07 23:20:52
● 2026-05-12 16:14:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| barvicky.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: 912ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| 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
Hierarchy
mail.barvicky.eu has barvicky.eu as its parent.
IP Addresses
barvicky.eu points to two IPs: 2001:1568::14 and 81.91.86.14.
Other host names, for instance vs678.server4u.cz, dietologicke-centrum.cz, vs491.server4u.cz, fleetware.info and enterosgel.ch share IP numbers with barvicky.eu.
Name Servers
Two name servers ns2.web4u.cz and ns.web4u.cz are delegated to barvicky.eu.
barvicky.eu uses the same name server configuration as other domains, such as ibobr.cz, etovar.eu, vigoone.eu, rhauto.cz and prezentatori.cz.
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
Two mail servers handle barvicky.eu: mx1.mailchannels.net and mx2.mailchannels.net.
barvicky.eu shares the same mail server setup as other domains, including tibet.cat, nnmg.org, seandfeeney.com, harcliff.com and leik.net.
barvicky.eu shares some mail servers with other domains, at least partially, for instance globalcitizenlp.com.
Hostnames with one IP number:
mx1.mailchannels.net points to 54.69.1.140
mx2.mailchannels.net points to 54.69.1.140
Hostnames pointing to 54.69.1.140: mx1.mailchannels.net, mx2.mailchannels.net