ct4partners.com - robtex.com
ct4partners.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.56.220.147🇷🇸 COMTRADE-AS185.56.220.0/24 ComTrade IT Solutions and Services d.o.o. Savski nasip 7 11070 Belgrade Serbia, RS | ||||||
| PTR | ct4partners.com | ||||||
| PTR | srb-ctb2b.comtrade.com | ||||||
| NS | auth1.dns.cogentco.com ⭐ | ||||||
| A | 2001:550:1:a::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:b::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| NS | ns1.comtrade.com ⚠️ Not in zone NS records | ||||||
| A | 193.169.48.148🇸🇮 COMTRADE-AS193.169.48.0/23 COMTRADE d.o.o. Letaliska 29b 1000 Ljubljana Slovenia, SI | ||||||
| SOA | auth1.dns.cogentco.comnoc@comtrade.com 2020-04-16 #98 | ||||||
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=1774513307 | ||||||
PTR for
Subdomains
www.ct4partners.com |
Same first word
DNS History
9 records (4 active, 5 former)
●NSauth1.dns.cogentco.com2026-02-14 → 2026-03-26 · 3 obs
● 2026-02-14 22:35:08
● 2026-03-26 08:42:52
●NSauth2.dns.cogentco.com2026-02-14 → 2026-03-26 · 3 obs
● 2026-02-14 22:35:08
● 2026-03-26 08:42:52
○NSns.comtrade.com2017-06-17 → 2018-09-30 · 5 obs
● 2017-06-17 09:09:44
● 2018-09-30 21:43:20
○ 2026-02-14 22:35:08
○ 2026-03-26 08:42:52
○NSns.hsl.eu2015-09-02 → 2018-09-30 · 4 obs
● 2018-09-30 21:43:20
○ 2026-02-14 22:35:08
○ 2026-03-26 08:42:52
○NSns1.comtrade.co.rs2015-09-02 → 2018-09-30 · 4 obs
● 2018-09-30 21:43:20
○ 2026-02-14 22:35:08
○ 2026-03-26 08:42:52
●NSns1.comtrade.com2026-02-14 → 2026-03-26 · 3 obs
● 2026-02-14 22:35:08
● 2026-03-26 08:42:52
○NSns2.comtrade.co.rs2015-09-02 → 2018-09-30 · 4 obs
● 2018-09-30 21:43:20
○ 2026-02-14 22:35:08
○ 2026-03-26 08:42:52
●A185.56.220.1472017-06-17 → 2026-03-26 · 5 obs
● 2018-01-17 04:57:56
○ 2018-09-30 21:43:20
● 2026-02-14 22:35:08
● 2026-03-26 08:42:52
○A193.169.49.2032018-09-30 → 2018-09-30 · 4 obs
● 2018-09-30 21:43:20
○ 2026-02-14 22:35:08
○ 2026-03-26 08:42:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ct4partners.com | auth1.dns.cogentco.com, auth2.dns.cogentco.com, ns1.comtrade.com | 4 records |
✅ Authoritative Response
Server:66.28.0.30
NS records: auth1.dns.cogentco.com, auth2.dns.cogentco.com, ns1.comtrade.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ct4partners.com (unsigned zone)
⏱️ Timing
Total: 2029ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.56.220.147 |
| NS | 2 | auth2.dns.cogentco.com, auth1.dns.cogentco.com |
| SOA | 1 | auth1.dns.cogentco.com noc.comtrade.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (auth1.dns.cogentco.com, auth1.dns.cogentco.com, auth2.dns.cogentco.com...)
Analysis
Hierarchy
ct4partners.com is the parent of www.ct4partners.com.
IP Addresses
ct4partners.com resolves to a single IP address: 185.56.220.147.
Other host names, for instance srb-ctb2b.comtrade.com, share IP numbers with ct4partners.com.
Name Servers
ct4partners.com is delegated to three name servers: ns1.comtrade.com, auth1.dns.cogentco.com and auth2.dns.cogentco.com.
ct4partners.com at least partially shares name servers with other domains, including 126.97.38.in-addr.arpa, 33.222.203.in-addr.arpa, 112.98.38.in-addr.arpa, 126.38.in-addr.arpa and nchcapital.com.
these name servers are commonly used with nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net and shadowcat-i.ups.com.
Host names with two IP numbers:
auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14
auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30
Host names with one IP number:
ns1.comtrade.com points to 193.169.48.148