rvda.cz - robtex.com
rvda.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a03:b780:1:1:216:3eff:fe00:172f🇨🇿 IGNUM-AS2a03:b780::/32 Webglobe s.r.o. H90 | ||||||
| PTR | h90-w4.hosting90.cz | ||||||
| A | 37.46.87.175🇨🇿 IGNUM-AS37.46.80.0/21 Webglobe s.r.o. H90 | ||||||
| NS | ns1.regzone.cz ⭐ | ||||||
| A | 2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| A | 217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| NS | ns1.regzone.de | ||||||
| A | 2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| A | 23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| NS | ns1.regzone.info | ||||||
| A | 2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | ns1.regzone.info | ||||||
| A | 81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT | ||||||
| PTR | ns1.regzone.info | ||||||
| MX | office.rvda.cz ⭐ | ||||||
| A | 193.85.190.20🇨🇿 TMOBILE-CZ193.85.0.0/16 T-Mobile Czech Republic a.s. | ||||||
| PTR | office.rvda.cz | ||||||
| TXT | MS=ms24877337 | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns1.regzone.czadministrator@czechia.cz 2026-07-29 #4 | ||||||
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=1785601041 | ||||||
Subdomains
office.rvda.cz |
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSns1.regzone.cz2015-07-17 → 2026-08-01 · 2 obs
● 2026-08-01 16:29:08
●NSns1.regzone.de2015-07-17 → 2026-08-01 · 2 obs
● 2026-08-01 16:29:08
●NSns1.regzone.info2015-07-17 → 2026-08-01 · 2 obs
● 2026-08-01 16:29:08
●MXoffice.rvda.cz2015-07-17 → 2026-08-01 · 2 obs
● 2026-08-01 16:29:08
○A217.198.119.2072015-07-17 → 2016-10-02 · 4 obs
● 2016-10-02 21:20:08
○ 2020-02-05 07:13:04
○ 2026-08-01 16:29:08
●A2a03:b780:1:1:216:3eff:fe00:172f2020-02-05 → 2026-08-01 · 3 obs
● 2020-02-05 07:13:04
● 2026-08-01 16:29:08
●A37.46.87.1752020-02-05 → 2026-08-01 · 3 obs
● 2020-02-05 07:13:04
● 2026-08-01 16:29:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| rvda.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:23.92.29.43
NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.46.87.175 |
| AAAA | 1 | 2a03:b780:1:1:216:3eff:fe00:172f |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| MX | 1 | office.rvda.cz (pri: 1) |
| TXT | 2 | MS=ms24877337, v=spf1 mx -all |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)
Analysis
Hierarchy
rvda.cz is a parent domain of office.rvda.cz.
IP Addresses
rvda.cz directs to two IP numbers, 37.46.87.175 and 2a03:b780:1:1:216:3eff:fe00:172f
Two other host names, along with hagl.cz, ocad.cz and kapstrans.com, also share IP numbers with rvda.cz.
Name Servers
rvda.cz has three name servers — ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
rvda.cz shares at least some of its name servers with other domains, including biotronik.cz, petrbilek.cz, rybarova.cz and two others.
Each of ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info points to two IP numbers. ns1.regzone.cz points to 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1. ns1.regzone.de points to 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7. ns1.regzone.info points to 81.0.233.10 and 2001:1528:147::10.
Mail Servers
The sole mail server for rvda.cz is office.rvda.cz.
office.rvda.cz points to one IP number — 193.85.190.20.