jazcom.com - robtex.com
jazcom.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=1774529672 | ||||||
Same first word
jazcom.com |
DNS History
11 records (7 active, 4 former)
●NSns1.websupport.cz2026-03-18 → 2026-03-26 · 3 obs
● 2026-03-18 08:17:50
● 2026-03-26 13:01:32
○NSns15.ixwebhosting.com2015-07-15 → 2017-09-21 · 4 obs
● 2017-09-21 00:26:54
○ 2026-03-18 08:17:50
○ 2026-03-26 13:01:32
○NSns16.ixwebhosting.com2015-07-15 → 2017-09-21 · 4 obs
● 2017-09-21 00:26:54
○ 2026-03-18 08:17:50
○ 2026-03-26 13:01:32
●NSns2.websupport.cz2026-03-18 → 2026-03-26 · 3 obs
● 2026-03-18 08:17:50
● 2026-03-26 13:01:32
●NSns3.websupport.eu2026-03-18 → 2026-03-26 · 3 obs
● 2026-03-18 08:17:50
● 2026-03-26 13:01:32
○MXmail504.ixwebhosting.com2015-07-15 → 2017-09-21 · 4 obs
● 2017-09-21 00:26:54
○ 2026-03-18 08:17:50
○ 2026-03-26 13:01:32
●MXmx10.websupport.cz2026-03-18 → 2026-03-26 · 3 obs
● 2026-03-18 08:17:50
● 2026-03-26 13:01:32
●MXmx20.websupport.cz2026-03-18 → 2026-03-26 · 3 obs
● 2026-03-18 08:17:50
● 2026-03-26 13:01:32
●A2a00:4b40:aaaa:2011::62026-03-18 → 2026-03-26 · 3 obs
● 2026-03-18 08:17:50
● 2026-03-26 13:01:32
●A37.9.175.2132026-03-18 → 2026-03-26 · 3 obs
● 2026-03-18 08:17:50
● 2026-03-26 13:01:32
○A98.131.222.22015-07-15 → 2017-09-21 · 4 obs
● 2017-09-21 00:26:54
○ 2026-03-18 08:17:50
○ 2026-03-26 13:01:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| jazcom.com | ns1.websupport.cz, ns2.websupport.cz | - |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns1.websupport.cz, ns2.websupport.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jazcom.com (unsigned zone)
⏱️ Timing
Total: 538ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.213 |
| AAAA | 1 | 2a00:4b40:aaaa:2011::6 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mx10.websupport.cz (pri: 10), mx20.websupport.cz (pri: 100) |
| TXT | 1 | v=spf1 a mx include:_spf.websupport.cz i |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
jazcom.com points to two IP numbers: 2a00:4b40:aaaa:2011::6 and 37.9.175.213.
Other host names such as ms-invest.cz, abazeny.cz, easyasset.eu, jaknaproblemy.cz and kaniok.cz share IP numbers with jazcom.com.
Name Servers
jazcom.com is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
At least part of the name servers for jazcom.com are shared with other domains, for instance breakers.cz, hitcz.cz, cibulky.com, ramert.cz and auto-recenze.eu.
These name servers are often used together with ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
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
jazcom.com is handled by two mail servers: mx10.websupport.cz and mx20.websupport.cz.
jazcom.com uses the same mail server setup as other domains, for instance cezaa.eu, vicar.cz, proview.cz, en-design.cz and faktor.cz.
jazcom.com shares some mail servers with other domains at least partially, for example koralkycz.cz, amgstudio.cz and therockets.cc.
Host names with two IP numbers:
mx10.websupport.cz points to 2a00:4b40:aaaa:2101:45:13:137:103 and 45.13.137.103.
mx20.websupport.cz points to 2a00:4b40:aaaa:2101:45:13:137:104 and 45.13.137.104.