otb.cz - robtex.com
otb.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
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=1792351046 | ||||||
Subdomains
mail.otb.cz |
Same first word
Similar names
Previous names
Next names
otbox.cz |
otc-olomouc.cz |
otc.cz |
otcare.cz |
otcbtc.cz |
otcenas.cz |
otcenasek.cz |
otcenaskova.cz |
otcet.cz |
otcove.cz |
otcovosrdce.cz |
otcovska.cz |
otcovstvi-urceni.cz |
otcovstvi.cz |
otcuvdum.cz |
otd.cz |
otdesign.cz |
otdr.cz |
ote.cz |
DNS History
12 records (4 active, 8 former)
○NSns.kraxnet.com2015-08-20 → 2016-01-20 · 4 obs
● 2016-01-20 12:48:00
○ 2016-04-11 15:17:08
○ 2026-10-18 20:07:26
○NSns.kraxnet.cz2015-08-20 → 2016-01-20 · 4 obs
● 2016-01-20 12:48:00
○ 2016-04-11 15:17:08
○ 2026-10-18 20:07:26
●NSns1.afternic.com2026-03-11 → 2026-10-18 · 3 obs
● 2026-03-11 00:38:50
● 2026-10-18 20:07:26
○NSns1.jtw.cz2016-04-11 → 2019-10-13 · 5 obs
● 2016-04-11 15:17:08
● 2019-10-13 20:11:28
○ 2026-03-11 00:38:50
○ 2026-10-18 20:07:26
●NSns2.afternic.com2026-03-11 → 2026-10-18 · 3 obs
● 2026-03-11 00:38:50
● 2026-10-18 20:07:26
○NSns2.jtw.cz2016-04-11 → 2019-10-13 · 5 obs
● 2016-04-11 15:17:08
● 2019-10-13 20:11:28
○ 2026-03-11 00:38:50
○ 2026-10-18 20:07:26
○MXmx.otb.cz2015-08-20 → 2016-01-20 · 4 obs
● 2016-01-20 12:48:00
○ 2016-04-11 15:17:08
○ 2026-10-18 20:07:26
●A13.248.169.482026-03-11 → 2026-10-18 · 3 obs
● 2026-03-11 00:38:50
● 2026-10-18 20:07:26
○A185.53.177.312019-07-27 → 2019-10-13 · 5 obs
● 2019-07-27 16:29:36
● 2019-10-13 20:11:28
○ 2026-03-11 00:38:50
○ 2026-10-18 20:07:26
●A76.223.54.1462026-03-11 → 2026-10-18 · 3 obs
● 2026-03-11 00:38:50
● 2026-10-18 20:07:26
○A82.113.55.1262015-08-20 → 2016-01-20 · 4 obs
● 2016-01-20 12:48:00
○ 2016-04-11 15:17:08
○ 2026-10-18 20:07:26
○A82.113.55.912015-08-20 → 2016-01-20 · 4 obs
● 2016-01-20 12:48:00
○ 2016-04-11 15:17:08
○ 2026-10-18 20:07:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| otb.cz | ns2.afternic.com, ns1.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns2.afternic.com, ns1.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for otb.cz (unsigned zone)
⏱️ Timing
Total: 589ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Analysis
Hierarchy
mail.otb.cz is a subdomain of otb.cz.
IP Addresses
otb.cz points to the IP addresses 13.248.169.48 and 76.223.54.146
francescaprince.xyz, thatshout.com, agioutside.xyz plus two other host names have IP numbers in common with otb.cz.
Name Servers
otb.cz is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
The name server configuration of otb.cz is shared with other domains, for instance vejok.com, sundeighpaper.com, laghum.com and two others.
The name servers of otb.cz overlap at least partially with those of other domains — among them aicvt.com, dashimpact.com, xpin.net and two more.
These name servers commonly appear alongside the name servers verification-m3erh32ujyoastvophjvuz.ns101.verify.hn and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.
ns1.afternic.com and ns2.afternic.com each resolve to two IP addresses: ns1.afternic.com points to 97.74.98.69 and 2603:5:2126::45, while ns2.afternic.com points to 173.201.66.69 and 2603:5:2226::45.