ctxb.com - robtex.com
ctxb.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=1774900377 | ||||||
Same first word
ctxb.com |
Similar names
DNS History
7 records (4 active, 3 former)
●NSns41.domaincontrol.com2015-08-10 → 2026-03-30 · 2 obs
● 2026-03-30 20:12:08
●NSns42.domaincontrol.com2015-08-10 → 2026-03-30 · 2 obs
● 2026-03-30 20:12:08
●MXctxb-com.mail.protection.outlook.com2026-03-26 → 2026-03-30 · 3 obs
● 2026-03-26 20:26:06
● 2026-03-30 20:12:08
○MXmailstore1.secureserver.net2015-08-10 → 2017-06-10 · 4 obs
● 2017-06-10 17:34:48
○ 2026-03-26 20:26:06
○ 2026-03-30 20:12:08
○MXsmtp.secureserver.net2015-08-10 → 2017-06-10 · 4 obs
● 2017-06-10 17:34:48
○ 2026-03-26 20:26:06
○ 2026-03-30 20:12:08
●A160.153.35.82026-03-26 → 2026-03-30 · 3 obs
● 2026-03-26 20:26:06
● 2026-03-30 20:12:08
○A50.63.110.12015-08-10 → 2017-06-10 · 4 obs
● 2017-06-10 17:34:48
○ 2026-03-26 20:26:06
○ 2026-03-30 20:12:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net... | - |
| ctxb.com | ns41.domaincontrol.com, ns42.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.100.21
NS records: ns41.domaincontrol.com, ns42.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctxb.com (unsigned zone)
⏱️ Timing
Total: 131ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.153.35.8 |
| NS | 2 | ns41.domaincontrol.com, ns42.domaincontrol.com |
| MX | 1 | ctxb-com.mail.protection.outlook.com (pr |
| TXT | 3 | spf1 include:secureserver.net -all, NETORGFT9725549.onmicrosoft.com... |
| SOA | 1 | ns41.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns41.domaincontrol.com, ns41.domaincontrol.com, ns42.domaincontrol.com...)
Analysis
IP Addresses
ctxb.com maps to IP address 160.153.35.8.
Other host names, for instance mail.rj-porter.com, guidoargentini.com, rj-porter.com, 8.35.153.160.host.secureserver.net and nccamp.com share IP numbers with ctxb.com.
Name Servers
Two name servers ns41.domaincontrol.com and ns42.domaincontrol.com are delegated to ctxb.com.
ctxb.com uses the same name server configuration as other domains, such as allservglass.com, donwholesalebr.com, stanfordoak.com, singaporecontests.com and chatney.pink.
ctxb.com shares name servers with other domains at least partially, for instance armbrustsales.com and weepay.com.
Host names with two IPs:
ns41.domaincontrol.com points to 2603:5:2142::15 and 97.74.100.21.
ns42.domaincontrol.com points to 2603:5:2242::15 and 173.201.68.21.
Mail Servers
ctxb.com is handled by a single mail server, ctxb-com.mail.protection.outlook.com.
ctxb-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c801::, 2a01:111:f403:c902::4, 2a01:111:f403:c931::1, 2a01:111:f403:f90a::, 52.101.11.7, 52.101.40.1, 52.101.41.56 and 52.101.41.58.