alesruzicka.com - robtex.com
alesruzicka.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778813731 | ||||||
Subdomains
mail.alesruzicka.com |
Same first word
alesruzicka.com |
alesruzicka.eu |
DNS History
13 records (7 active, 6 former)
○NSns1.ignum.com2015-07-07 → 2018-07-04 · 4 obs
● 2018-07-04 16:28:36
○ 2026-02-16 09:39:24
○ 2026-05-15 03:03:38
●NSns1.websupport.cz2026-02-16 → 2026-05-15 · 3 obs
● 2026-02-16 09:39:24
● 2026-05-15 03:03:38
○NSns2.ignum.cz2015-07-07 → 2018-07-04 · 4 obs
● 2018-07-04 16:28:36
○ 2026-02-16 09:39:24
○ 2026-05-15 03:03:38
●NSns2.websupport.cz2026-02-16 → 2026-05-15 · 3 obs
● 2026-02-16 09:39:24
● 2026-05-15 03:03:38
●NSns3.websupport.eu2026-02-16 → 2026-05-15 · 3 obs
● 2026-02-16 09:39:24
● 2026-05-15 03:03:38
○MXmail11.ignum.cz2015-07-07 → 2018-07-04 · 4 obs
● 2018-07-04 16:28:36
○ 2026-02-16 09:39:24
○ 2026-05-15 03:03:38
○MXmail2.ignum.cz2015-07-07 → 2018-07-04 · 4 obs
● 2018-07-04 16:28:36
○ 2026-02-16 09:39:24
○ 2026-05-15 03:03:38
●MXmx10.websupport.cz2026-02-16 → 2026-05-15 · 3 obs
● 2026-02-16 09:39:24
● 2026-05-15 03:03:38
●MXmx20.websupport.cz2026-02-16 → 2026-05-15 · 3 obs
● 2026-02-16 09:39:24
● 2026-05-15 03:03:38
●A2a00:4b40:aaaa:2005::62026-02-16 → 2026-05-15 · 3 obs
● 2026-02-16 09:39:24
● 2026-05-15 03:03:38
○A37.157.195.1322015-07-07 → 2017-01-03 · 4 obs
● 2017-01-03 17:55:58
○ 2018-07-04 16:28:36
○ 2026-05-15 03:03:38
●A37.9.175.1642026-02-16 → 2026-05-15 · 3 obs
● 2026-02-16 09:39:24
● 2026-05-15 03:03:38
○A46.28.106.792018-07-04 → 2018-07-04 · 4 obs
● 2018-07-04 16:28:36
○ 2026-02-16 09:39:24
○ 2026-05-15 03:03:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| alesruzicka.com | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alesruzicka.com (unsigned zone)
⏱️ Timing
Total: 855ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.164 |
| AAAA | 1 | 2a00:4b40:aaaa:2005::6 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mx10.websupport.cz (pri: 10), mx20.websupport.cz (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.websupport.cz ?, spf2.0/pra a mx include:_sid.websupport. |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
alesruzicka.com is the parent of mail.alesruzicka.com.
IP Addresses
alesruzicka.com resolves to two IP numbers: 2a00:4b40:aaaa:2005::6 and 37.9.175.164.
other host names including diopto.com, maileek.com, progen.cz, www.kartousek.cz and neuberger.at share IP numbers with alesruzicka.com.
Name Servers
alesruzicka.com is delegated to three name servers ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
alesruzicka.com at least partially shares name servers with other domains, for instance arbeids-recht.info, informdata.cz, mtg.sk, dr-haase.cz and energybees.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
Two mail servers handle alesruzicka.com: mx10.websupport.cz and mx20.websupport.cz.
alesruzicka.com shares the same mail server setup as other domains, for instance abacus-mortgage.com, amarela.cz, koubsky.com, lichtag.net and riepma.com.
alesruzicka.com shares some mail servers with other domains, at least partially, for instance idtech.sk, prda.cz, naduk.com, skoupy-advokat.cz and elektrokol.cz.
Host names with two IP numbers:
The host name mx10.websupport.cz points to 2a00:4b40:aaaa:2101:45:13:137:103 and 45.13.137.103; the host name mx20.websupport.cz points to 2a00:4b40:aaaa:2101:45:13:137:104 and 45.13.137.104.