ebooks.cz - robtex.com
ebooks.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a00:4b40:aaaa:2011::6🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.212🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | mail.ebooks.cz ⭐ | ||||||
| A | 2a00:4b40:aaaa:2011::6🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.212🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1759276775 | ||||||
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=1778345235 | ||||||
Subdomains
mail.ebooks.cz |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
○NSns.hptronic.cz2015-08-05 → 2018-08-08 · 4 obs
● 2018-08-08 23:29:58
○ 2026-04-10 23:58:30
○ 2026-05-09 17:15:32
○NSns.studio9.cz2015-08-05 → 2018-08-08 · 4 obs
● 2018-08-08 23:29:58
○ 2026-04-10 23:58:30
○ 2026-05-09 17:15:32
●NSns1.websupport.cz2026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 23:58:30
● 2026-05-09 17:15:32
●NSns2.websupport.cz2026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 23:58:30
● 2026-05-09 17:15:32
●NSns3.websupport.eu2026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 23:58:30
● 2026-05-09 17:15:32
●MXmail.ebooks.cz2015-08-05 → 2026-05-09 · 2 obs
● 2026-05-09 17:15:32
●A2a00:4b40:aaaa:2011::62026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 23:58:30
● 2026-05-09 17:15:32
●A37.9.175.2122026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 23:58:30
● 2026-05-09 17:15:32
○A82.99.143.1962018-08-08 → 2018-08-08 · 4 obs
● 2018-08-08 23:29:58
○ 2026-04-10 23:58:30
○ 2026-05-09 17:15:32
○A83.167.250.722015-08-05 → 2017-01-30 · 4 obs
● 2017-01-30 22:28:28
○ 2018-08-08 23:29:58
○ 2026-05-09 17:15:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| ebooks.cz | ns2.websupport.cz, ns1.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns2.websupport.cz, ns1.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 689ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.212 |
| AAAA | 1 | 2a00:4b40:aaaa:2011::6 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 1 | mail.ebooks.cz (pri: 10) |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
The parent of mail.ebooks.cz is ebooks.cz.
IP Addresses
Two IP numbers are pointed to by ebooks.cz: 2a00:4b40:aaaa:2011::6 and 37.9.175.212.
other host names include www.kuchyne-katalpa.cz, www.devicemanuals.eu, blechovi.cz, spbohemia.cz and oktarget.cz; they share IP numbers with ebooks.cz.
Name Servers
ebooks.cz is delegated to three name servers ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
ebooks.cz at least partially shares name servers with other domains, for instance ski-online.cz, jaknaproblemy.cz, goauto.cz, cytohisto.cz and deverka.cz.
Host names with two IP numbers:
ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11; ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12; ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13.
Mail Servers
ebooks.cz is handled by a single mail server, mail.ebooks.cz.
mail.ebooks.cz resolves to two IPs: 2a00:4b40:aaaa:2011::6 and 37.9.175.212.