ctbc.com - dns.ninja
ctbc.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=1780648534 | ||||||
Same first word
ctbc.de |
ctbc.net.br |
ctbc.ca |
ctbc.net |
ctbc.edu.tw |
ctbc.com.tw |
ctbc.com.br |
ctbc.life |
ctbc.cn |
ctbc.cz |
ctbc.org |
ctbc.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns15.worldnic.com2026-03-01 → 2026-06-05 · 3 obs
● 2026-03-01 19:37:44
● 2026-06-05 08:55:14
●NSns16.worldnic.com2026-03-01 → 2026-06-05 · 3 obs
● 2026-03-01 19:37:44
● 2026-06-05 08:55:14
○NSns77.domaincontrol.com2015-07-25 → 2017-08-23 · 4 obs
● 2017-08-23 07:47:00
○ 2026-03-01 19:37:44
○ 2026-06-05 08:55:14
○NSns78.domaincontrol.com2015-07-25 → 2017-08-23 · 4 obs
● 2017-08-23 07:47:00
○ 2026-03-01 19:37:44
○ 2026-06-05 08:55:14
●MXctbc-com.mail.protection.outlook.com2026-03-20 → 2026-06-05 · 3 obs
● 2026-03-20 13:35:30
● 2026-06-05 08:55:14
○MXmailstore1.secureserver.net2015-07-25 → 2017-08-23 · 4 obs
● 2017-08-23 07:47:00
○ 2026-03-01 19:37:44
○ 2026-06-05 08:55:14
○MXsmtp.secureserver.net2015-07-25 → 2017-08-23 · 4 obs
● 2017-08-23 07:47:00
○ 2026-03-01 19:37:44
○ 2026-06-05 08:55:14
●A107.180.1.382026-03-01 → 2026-06-05 · 3 obs
● 2026-03-01 19:37:44
● 2026-06-05 08:55:14
○A50.63.91.12015-07-25 → 2017-08-23 · 4 obs
● 2017-08-23 07:47:00
○ 2026-03-01 19:37:44
○ 2026-06-05 08:55:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ctbc.com | ns15.worldnic.com, ns16.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.150
NS records: ns15.worldnic.com, ns16.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctbc.com (unsigned zone)
⏱️ Timing
Total: 1586ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.180.1.38 |
| NS | 2 | ns16.worldnic.com, ns15.worldnic.com |
| MX | 1 | ctbc-com.mail.protection.outlook.com (pr |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | NS15.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns15.worldnic.com, ns16.worldnic.com)
Analysis
IP Addresses
ctbc.com directs to one IP number, which is 107.180.1.38.
Among the host names that share IP numbers with ctbc.com are mail.envybuy.com, thejeweller.ca, ithacaisgreen.com and two others.
Name Servers
ctbc.com has two authoritative name servers — ns15.worldnic.com and ns16.worldnic.com.
ctbc.com has the same name server delegation as a number of other domains, such as columbuslearningcenter.org, vinsysinfo.com, btlaw.net and two more.
Some name servers delegated to ctbc.com are also used by other domains, notably cancer-info.com and trnx.com.
These name servers frequently co-occur with the name servers ns1.pendingrenewaldeletion.com and ns2.pendingrenewaldeletion.com.
ns15.worldnic.com → 162.159.26.214 and ns16.worldnic.com → 162.159.27.150: one IP number per host name.
Mail Servers
ctbc.com routes its mail through a single mail server, ctbc-com.mail.protection.outlook.com.
ctbc-com.mail.protection.outlook.com directs to 8 IP addresses, namely 52.101.190.0, 52.101.190.1, 52.101.190.3 and five others.