4critical.com - robtex.com
4critical.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=1776154122 | ||||||
Same first word
4critical.com |
DNS History
9 records (5 active, 4 former)
●NSdns1.cscdns.net2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 16:44:16
● 2026-04-14 08:25:50
●NSdns2.cscdns.net2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 16:44:16
● 2026-04-14 08:25:50
○NSns53.worldnic.com2015-07-01 → 2018-07-16 · 4 obs
● 2018-07-16 19:56:02
○ 2026-04-09 16:44:16
○ 2026-04-14 08:25:50
○NSns54.worldnic.com2015-07-01 → 2018-07-16 · 4 obs
● 2018-07-16 19:56:02
○ 2026-04-09 16:44:16
○ 2026-04-14 08:25:50
●MXcustmx.cscdns.net2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 16:44:16
● 2026-04-14 08:25:50
○MXp.webcom.ctmail.com2016-02-27 → 2018-07-16 · 4 obs
● 2018-07-16 19:56:02
○ 2026-04-09 16:44:16
○ 2026-04-14 08:25:50
●A165.160.13.202026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 16:44:16
● 2026-04-14 08:25:50
●A165.160.15.202026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 16:44:16
● 2026-04-14 08:25:50
○A208.91.197.232015-07-01 → 2018-07-16 · 4 obs
● 2018-07-16 19:56:02
○ 2026-04-09 16:44:16
○ 2026-04-14 08:25:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 4critical.com | dns1.cscdns.net, dns2.cscdns.net | - |
✅ Authoritative Response
Server:156.154.131.100
NS records: dns1.cscdns.net, dns2.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4critical.com (unsigned zone)
⏱️ Timing
Total: 278ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 165.160.13.20, 165.160.15.20 |
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| MX | 1 | custmx.cscdns.net (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
Analysis
IP Addresses
4critical.com resolves to two IP numbers: 165.160.13.20 and 165.160.15.20.
Other host names, for instance carolingian-feminist.com, cidrenormand.fr, boycottgeorgiapacific.net, varisolve.uk and nyheterna.se share IP numbers with 4critical.com.
Name Servers
Two name servers dns1.cscdns.net and dns2.cscdns.net handle delegation for 4critical.com.
4critical.com uses the same name server setup as other domains, for example kyo-yaco.com, emiratestowersbusinesspark.com, imprintam.com, goldman.app and tmos.us.
4critical.com shares name servers with other domains at least partially, for instance boa-bank.com, bankofamericahomepersonal.net, swissfirework.ch and mbnacreditprotectionsucks.net.
These name servers are often used with the name servers ns101.bac.com and ns102.bac.com.
Host names with two IP numbers:
dns1.cscdns.net points to: 2610:a1:1022::100 and 156.154.130.100
dns2.cscdns.net points to: 2610:a1:1023::100 and 156.154.131.100
Mail Servers
4critical.com is handled by a single mail server, custmx.cscdns.net.
4critical.com has the same mail server setup as other domains, including prov.mobi, commerciallinkclassic.com, brawnymanonline.info, k-patchsucks.org and disneypresent.com.
custmx.cscdns.net points to a single IP: 198.58.121.58.