avast2017.com - robtex.com
avast2017.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=1771291435 | ||||||
DNS History
15 records (6 active, 9 former)
○NSns1.above.com2017-12-25 → 2017-12-25 · 3 obs
● 2017-12-25 21:31:32
○ 2026-03-19 06:47:58
○NSns1.mysrsx.com2016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-25 21:31:32
○ 2026-03-19 06:47:58
○NSns2.above.com2017-12-25 → 2017-12-25 · 3 obs
● 2017-12-25 21:31:32
○ 2026-03-19 06:47:58
○NSns2.mysrsx.net2016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-25 21:31:32
○ 2026-03-19 06:47:58
○NSns3.mysrsx.biz2016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-25 21:31:32
○ 2026-03-19 06:47:58
○NSns4.mysrsx.org2016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-25 21:31:32
○ 2026-03-19 06:47:58
○A103.224.212.2222017-12-25 → 2017-12-25 · 2 obs
○ 2026-03-19 06:47:58
●A93.190.48.72026-03-19 → 2026-03-19 · 2 obs
● 2026-03-19 06:47:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net... | - |
| avast2017.com | ns1.web4ce.cz, ns2.web4ce.cz | - |
✅ Authoritative Response
Server: 93.190.49.250
NS records: ns1.web4ce.cz, ns2.web4ce.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for avast2017.com (unsigned zone)
⏱️ Timing
Total: 775ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.190.48.7 |
| NS | 2 | ns1.web4ce.cz, ns2.web4ce.cz |
| MX | 3 | mx2.web4ce.cz (pri: 10), mx1.web4ce.cz (pri: 10)... |
| TXT | 1 | v=spf1 mx include:spf.web4ce.cz ~all |
| SOA | 1 | ns1.web4ce.cz domeny.web4ce.cz |
Analysis
IP Addresses
avast2017.com points to a single IP number: 93.190.48.7.
Other host names, for instance soundcity.cz, profesormobil.cz, egplus.cz, na2ty.cz and mikajan.cz share IP numbers with avast2017.com.
Name Servers
Delegation for avast2017.com rests with two name servers, ns1.web4ce.cz and ns2.web4ce.cz.
avast2017.com shares the same name server setup as other domains, including beledia.cz, gismentors.cz, vrbovskepirohy.sk, uxy.cz and jago.cz.
Host names with two IP numbers: ns1.web4ce.cz points to 2a02:c600:0:4::1 and 93.190.48.250; ns2.web4ce.cz points to 2a02:c600:0:4::2 and 93.190.49.250.
Mail Servers
avast2017.com is handled by three mail servers: mx1.web4ce.cz, mx2.web4ce.cz and mx3.web4ce.cz.
avast2017.com shares mail servers with other domains at least in part, for instance anders.cz, pgk.cz, arch-a.cz, hakimgym.cz and shibari.cz.
Three IPs per host:
The host name mx1.web4ce.cz points to 93.190.48.73, 93.190.48.74 and 93.190.48.75.
The host name mx2.web4ce.cz points to 93.190.48.73, 93.190.48.74 and 93.190.48.75.
The host name mx3.web4ce.cz points to 93.190.48.73, 93.190.48.74 and 93.190.48.75.
Host names pointing to 93.190.48.73 are mx1.web4ce.cz, mx2.web4ce.cz and mx3.web4ce.cz.
Host names pointing to 93.190.48.74 are mx1.web4ce.cz, mx2.web4ce.cz and mx3.web4ce.cz.
Host names pointing to 93.190.48.75 are mx1.web4ce.cz, mx2.web4ce.cz and mx3.web4ce.cz.