bkhb.cz - robtex.com
bkhb.cz
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=1778458901 | ||||||
Subdomains
www.bkhb.cz |
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSns1.regzone.cz2018-05-06 → 2026-05-11 · 2 obs
● 2026-05-11 01:00:36
●NSns1.regzone.de2018-05-06 → 2026-05-11 · 2 obs
● 2026-05-11 01:00:36
●NSns1.regzone.info2018-05-06 → 2026-05-11 · 2 obs
● 2026-05-11 01:00:36
○MXalt1.aspmx.l.google.com2018-05-06 → 2018-05-06 · 3 obs
○ 2026-04-30 08:27:46
○ 2026-05-11 01:00:36
○MXalt2.aspmx.l.google.com2018-05-06 → 2018-05-06 · 3 obs
○ 2026-04-30 08:27:46
○ 2026-05-11 01:00:36
○MXalt3.aspmx.l.google.com2018-05-06 → 2018-05-06 · 3 obs
○ 2026-04-30 08:27:46
○ 2026-05-11 01:00:36
○MXalt4.aspmx.l.google.com2018-05-06 → 2018-05-06 · 3 obs
○ 2026-04-30 08:27:46
○ 2026-05-11 01:00:36
○MXaspmx.l.google.com2018-05-06 → 2018-05-06 · 3 obs
○ 2026-04-30 08:27:46
○ 2026-05-11 01:00:36
●MXsmtp.google.com2026-04-30 → 2026-05-11 · 3 obs
● 2026-04-30 08:27:46
● 2026-05-11 01:00:36
●A217.198.116.1612026-04-30 → 2026-05-11 · 3 obs
● 2026-04-30 08:27:46
● 2026-05-11 01:00:36
○A217.198.116.1622018-05-06 → 2018-05-06 · 3 obs
○ 2026-04-30 08:27:46
○ 2026-05-11 01:00:36
●A2a00:19a0:3:74:0:d9c6:74a1:12026-04-30 → 2026-05-11 · 3 obs
● 2026-04-30 08:27:46
● 2026-05-11 01:00:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| bkhb.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:81.0.233.10
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: 1406ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.198.116.161 |
| AAAA | 1 | 2a00:19a0:3:74:0:d9c6:74a1:1 |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 2 | v=spf1 a mx ip4:46.234.119.233 ~all, google-site-verification=qnS3NQBoLCAIeJz |
| 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
www.bkhb.cz is a child of bkhb.cz.
IP Addresses
bkhb.cz has two IP numbers: 2a00:19a0:3:74:0:d9c6:74a1:1 and 217.198.116.161.
Other host names, for instance www.asper.cz, mountfieldhk.cz, fckoprivnice.cz, ceskosportuje.cz and eht.cz share IP numbers with bkhb.cz.
Name Servers
bkhb.cz is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
bkhb.cz at least partially shares name servers with other domains, including balonix.com, blafoun.info, lepsizvuk.sk, deutsche.cz and egexpert.cz.
Host names with two IP numbers:
ns1.regzone.cz: 2a00:19a0:3:71:0:d9c6:710a:1 and 217.198.113.10
ns1.regzone.de: 2600:3c02::f03c:91ff:fedb:a6e7 and 23.92.29.43
ns1.regzone.info: 2001:1528:147::10 and 81.0.233.10
Mail Servers
A single mail server handles bkhb.cz, smtp.google.com.
bkhb.cz shares the same mail server setup as other domains, for instance woodlandsingers.org, cpks.ac.th, fbcinc.com, affaretrattore.it and goflex.com.
bkhb.cz shares at least some mail servers with other domains, for example lionrock.jp, nepteau.com, stcs.edu.np, progressiveketamine.com and loreve.com.
These mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host smtp.google.com points to eight IPs: 2a00:1450:4009:c0f::1a, 2a00:1450:4009:c0f::1b, 2a00:1450:4009:c19::1a, 2a00:1450:4009:c19::1b, 172.217.76.26, 172.217.76.27, 192.178.223.26 and 192.178.223.27.