flash4shock.com - robtex.com
flash4shock.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.31.43.74🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1 | ||||||
| PTR | 81-31-43-74.static.masterinter.net | ||||||
| NS | dns1.master.cz ⭐ | ||||||
| A | 2a01:430:100:4c::acdc🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | dns1.master.cz | ||||||
| A | 81.31.37.68🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1 | ||||||
| PTR | dns1.master.cz | ||||||
| NS | dns2.master.cz | ||||||
| A | 2a01:430:200:1e::abba🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | dns2.master.cz | ||||||
| A | 80.79.16.4🇨🇿 MASTER-AS80.79.16.0/20 MASTER-NET-2 | ||||||
| PTR | dns2.master.cz | ||||||
| MX | wes1-mx1.wedos.net ⭐ | ||||||
| A | 46.28.106.11🇨🇿 WEDOS46.28.104.0/21 Internet, a.s. | ||||||
| PTR | wes1-mx1.wedos.net | ||||||
| MX | wes1-mx2.wedos.net ⭐ | ||||||
| A | 46.28.106.12🇨🇿 WEDOS46.28.104.0/21 Internet, a.s. | ||||||
| PTR | wes1-mx2.wedos.net | ||||||
| MX | wes1-mx-backup.wedos.net(10) | ||||||
| A | 46.28.106.56🇨🇿 WEDOS46.28.104.0/21 Internet, a.s. | ||||||
| PTR | wes1-mx-backup.wedos.net | ||||||
| SOA | dns1.master.cznoc@master.cz 2023-03-28 #69 | ||||||
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=1774527857 | ||||||
Subdomains
www.flash4shock.com |
Same first word
flash4shock.com |
DNS History
7 records (6 active, 1 former)
○MXmail.flash4shock.com2015-05-25 → 2019-01-15 · 3 obs
● 2019-01-15 01:23:58
○ 2026-03-26 12:40:46
●MXwes1-mx-backup.wedos.net2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 12:40:46
●A81.31.43.742015-05-25 → 2026-03-26 · 2 obs
● 2026-03-26 12:40:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| flash4shock.com | dns2.master.cz, dns1.master.cz | - |
✅ Authoritative Response
Server:80.79.16.4
NS records: dns2.master.cz, dns1.master.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for flash4shock.com (unsigned zone)
⏱️ Timing
Total: 1281ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.31.43.74 |
| NS | 2 | dns1.master.cz, dns2.master.cz |
| MX | 3 | wes1-mx1.wedos.net (pri: 1), wes1-mx-backup.wedos.net (pri: 10)... |
| SOA | 1 | dns1.master.cz noc.master.cz |
Analysis
Hierarchy
flash4shock.com is the parent of www.flash4shock.com.
IP Addresses
flash4shock.com resolves to a single IP: 81.31.43.74.
Name Servers
flash4shock.com has two name servers: dns1.master.cz and dns2.master.cz.
flash4shock.com shares the same name server setup as other domains, for example lyzejete.cz, price4u.eu, the-hemp.com, kopacky.eu and 1913.cz.
flash4shock.com shares some name servers with other domains, for example dekoj.net, playcenter.cz, groupsmarketplace.com, audioshop.cz and mastertouchapps.com.
These name servers are often used together with d1561.masterinter.net, d723.masterinter.net and d1264.master.cz.
Host names with two IP numbers:
dns1.master.cz points to: 2a01:430:100:4c::acdc and 81.31.37.68; dns2.master.cz points to: 2a01:430:200:1e::abba and 80.79.16.4.
Mail Servers
flash4shock.com is handled by three mail servers: wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net.
flash4shock.com shares some mail servers with other domains, at least partially; for instance campbrodsky.cz, najzar.cz, partnersreality.sk, ameropa.org and wayusa.cz.
Host names with a single IP: wes1-mx-backup.wedos.net points to 46.28.106.56; wes1-mx1.wedos.net points to 46.28.106.11; wes1-mx2.wedos.net points to 46.28.106.12.