ctr-tech.com - robtex.com
ctr-tech.com
com
| DNSSEC | ⚠️ Not signed | ||||||
| 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=1794299211 | ||||||
Same first word
ctr-tech.com |
Similar names
crt-tech.ru |
tcr-tech.io |
rct-tech.net |
rtc-tech.co.jp |
rtc-tech.com |
cht-cert.com |
trc-tech.com |
rct-tech.com |
trc-tech.net |
crt-tech.com |
crt-tech.dk |
ct-recht.de |
tech-ctr.myshopify.com |
Previous names
Next names
DNS History
8 records (4 active, 4 former)
●NSns51.domaincontrol.com2015-08-16 → 2026-11-10 · 2 obs
● 2026-11-10 08:28:20
●NSns52.domaincontrol.com2015-08-16 → 2026-11-10 · 2 obs
● 2026-11-10 08:28:20
●MXctrtech-com0i.mail.protection.outlook.com2026-10-19 → 2026-11-10 · 3 obs
● 2026-10-19 10:54:46
● 2026-11-10 08:28:20
○MXmailstore1.secureserver.net2015-08-16 → 2020-01-08 · 4 obs
● 2020-01-08 10:09:42
○ 2026-10-19 10:54:46
○ 2026-11-10 08:28:20
○MXsmtp.secureserver.net2015-08-16 → 2020-01-08 · 4 obs
● 2020-01-08 10:09:42
○ 2026-10-19 10:54:46
○ 2026-11-10 08:28:20
○A50.62.160.2172020-01-08 → 2020-01-08 · 4 obs
● 2020-01-08 10:09:42
○ 2026-10-19 10:54:46
○ 2026-11-10 08:28:20
○A50.63.197.2012015-08-16 → 2017-03-14 · 4 obs
● 2017-03-14 19:19:34
○ 2020-01-08 10:09:42
○ 2026-11-10 08:28:20
●A50.63.8.1682026-10-19 → 2026-11-10 · 3 obs
● 2026-10-19 10:54:46
● 2026-11-10 08:28:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net... | - |
| ctr-tech.com | ns51.domaincontrol.com, ns52.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.26
NS records: ns51.domaincontrol.com, ns52.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 88ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.63.8.168 |
| NS | 2 | ns51.domaincontrol.com, ns52.domaincontrol.com |
| MX | 1 | ctrtech-com0i.mail.protection.outlook.co |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, NETORG5963782.onmicrosoft.com |
| SOA | 1 | ns51.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)
Analysis
IP Addresses
ctr-tech.com directs to one IP number, which is 50.63.8.168.
Among the host names that share IP numbers with ctr-tech.com are archonaut.com, gnserv.com, lucentit.com and two others.
Name Servers
ctr-tech.com uses two name servers for its delegation: ns51.domaincontrol.com and ns52.domaincontrol.com.
ctr-tech.com has the same name server delegation as a number of other domains, such as jfpsl.lol, ourcityourairport.com, praxiss.nl and two more.
At least some of ctr-tech.com's name servers are also used by other domains, among them esica.com.tw.
The two host names ns51.domaincontrol.com and ns52.domaincontrol.com each have a pair of IP addresses: ns51.domaincontrol.com has 97.74.105.26 and 2603:5:2192::1a, and ns52.domaincontrol.com has 173.201.73.26 and 2603:5:2292::1a.
Mail Servers
ctr-tech.com routes its mail through a single mail server, ctrtech-com0i.mail.protection.outlook.com.
ctrtech-com0i.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.4, 52.101.9.84 and 52.101.41.180, along with 5 other.