co-sim.com - robtex.com
co-sim.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=1776594187 | ||||||
Same first word
co-sim.com |
Similar names
DNS History
7 records (6 active, 1 former)
●NSns1.s40.registerdomain.net.za2026-02-16 → 2026-04-19 · 3 obs
● 2026-02-16 11:45:18
● 2026-04-19 10:47:46
○NSns11.xincache.com2015-05-25 → 2015-05-25 · 3 obs
○ 2015-09-19 20:21:52
○ 2026-04-19 10:47:46
●NSns2.s40.registerdomain.net.za2026-02-16 → 2026-04-19 · 3 obs
● 2026-02-16 11:45:18
● 2026-04-19 10:47:46
●MXmx1.rdsa-mail.com2026-02-16 → 2026-04-19 · 2 obs
● 2026-04-19 10:47:46
●MXmx2.rdsa-mail.com2026-02-16 → 2026-04-19 · 2 obs
● 2026-04-19 10:47:46
●MXmx3.rdsa-mail.com2026-02-16 → 2026-04-19 · 2 obs
● 2026-04-19 10:47:46
●A102.133.250.1612026-02-16 → 2026-04-19 · 2 obs
● 2026-04-19 10:47:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| co-sim.com | ns1.s40.registerdomain.net.za, ns2.s40.registerdomain.net.za | - |
✅ Authoritative Response
Server:129.232.204.50
NS records: ns1.s40.registerdomain.net.za, ns2.s40.registerdomain.net.za
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for co-sim.com (unsigned zone)
⏱️ Timing
Total: 1247ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 102.133.250.161 |
| NS | 2 | ns1.s40.registerdomain.net.za, ns2.s40.registerdomain.net.za |
| MX | 3 | mx3.rdsa-mail.com (pri: 30), mx1.rdsa-mail.com (pri: 10)... |
| TXT | 1 | v=spf1 ip4:129.232.204.50 +a +mx ~all |
| SOA | 1 | ns1.s40.registerdomain.net.za ops.regist |
Analysis
IP Addresses
co-sim.com points to a single IP: 102.133.250.161.
Other host names, for instance nrc.co.za, betterbond.co.za, vumacam.co.za, semper-services.com and atwork.co.za share IP numbers with co-sim.com.
Name Servers
co-sim.com's delegation is to two name servers ns1.s40.registerdomain.net.za and ns2.s40.registerdomain.net.za.
co-sim.com shares the same name server configuration as other domains, such as needatool.co.za, fire-click.com, southcape-ads.co.za, webhive.co.za and whaam.co.za.
Host names with a single IP:
ns1.s40.registerdomain.net.za resolves to 129.232.204.50.
ns2.s40.registerdomain.net.za resolves to 129.232.204.51.
Mail Servers
co-sim.com is handled by three mail servers: mx1.rdsa-mail.com, mx2.rdsa-mail.com and mx3.rdsa-mail.com.
co-sim.com shares some mail servers with other domains, including press-support.com, capewestproperties.com, demorent.co.za, ndecor.co.za and supplizor.com.
Host names with three IP numbers
The host names mx1.rdsa-mail.com, mx2.rdsa-mail.com and mx3.rdsa-mail.com point to: 41.203.7.82, 129.232.220.130 and 129.232.220.178.
Host names that point to 41.203.7.82: mx1.rdsa-mail.com, mx2.rdsa-mail.com and mx3.rdsa-mail.com.
Host names that point to 129.232.220.130: mx1.rdsa-mail.com, mx2.rdsa-mail.com and mx3.rdsa-mail.com.
Host names that point to 129.232.220.178: mx1.rdsa-mail.com, mx2.rdsa-mail.com and mx3.rdsa-mail.com.