ctfex.com - dns.ninja
ctfex.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=1786230089 | ||||||
Same first word
ctfex.com |
Similar names
xfect.pl |
cftex.net |
etfcx.com |
fcext.net |
cfext.com |
efxct.com |
cftex.com |
efctx.com |
ecftx.com |
fctex.com |
cftex.com.cn |
fxtec.com |
fxetc.com |
fxtec.info |
excft.com |
fectx.com |
fxtec.com.br |
tecfx.com |
ftecx.com |
ftexc.com |
tecfx.net |
DNS History
10 records (5 active, 5 former)
●NSdns21.hichina.com2026-03-14 → 2026-08-08 · 3 obs
● 2026-03-14 19:42:56
● 2026-08-08 23:05:50
●NSdns22.hichina.com2026-03-14 → 2026-08-08 · 3 obs
● 2026-03-14 19:42:56
● 2026-08-08 23:05:50
○NSns33.domaincontrol.com2016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-01 07:40:44
○ 2026-08-08 23:05:50
○NSns34.domaincontrol.com2016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-01 07:40:44
○ 2026-08-08 23:05:50
○MXmailstore1.secureserver.net2016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-01 07:40:44
○ 2026-08-08 23:05:50
●MXmxn.mxhichina.com2026-03-14 → 2026-08-08 · 3 obs
● 2026-03-14 19:42:56
● 2026-08-08 23:05:50
●MXmxw.mxhichina.com2026-03-14 → 2026-08-08 · 3 obs
● 2026-03-14 19:42:56
● 2026-08-08 23:05:50
○MXsmtp.secureserver.net2016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-01 07:40:44
○ 2026-08-08 23:05:50
○A184.168.221.352016-12-16 → 2016-12-16 · 3 obs
○ 2017-12-01 07:40:44
○ 2026-08-08 23:05:50
●A35.73.28.512026-03-14 → 2026-08-08 · 3 obs
● 2026-03-14 19:42:56
● 2026-08-08 23:05:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net... | - |
| ctfex.com | dns21.hichina.com, dns22.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.38
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctfex.com (unsigned zone)
⏱️ Timing
Total: 1092ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.73.28.51 |
| NS | 2 | dns22.hichina.com, dns21.hichina.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)
Analysis
IP Addresses
ctfex.com resolves to just one IP address, 35.73.28.51.
Host names like ec2-35-73-28-51.ap-northeast-1.compute.amazonaws.com are further examples that share IP numbers with ctfex.com.
Name Servers
Two name servers handle the delegation for ctfex.com: dns21.hichina.com and dns22.hichina.com.
ctfex.com shares its NS records with other domains, for example goddancer.com, dragonins.cn, letaian.com and two others.
ctfex.com is at least partially co-delegated on name servers with other domains, such as jiabaoyun.com.
DNS names with 9 IP addresses:
dns21.hichina.com resolves to 39.96.153.40, 39.96.153.60 and 47.118.199.200 among others, with 6 other IP addresses in total.
dns22.hichina.com resolves to 39.96.153.38, 39.96.153.61 and 47.118.199.198 among others, with 6 other IP addresses in total.
Mail Servers
ctfex.com is served by two mail servers, mxn.mxhichina.com and mxw.mxhichina.com.
Among the domains sharing a mail server setup with ctfex.com are scca.cn, ipayl.com, rosecloudy.com and two others.
There is at least a partial MX overlap between ctfex.com and other domains, including mah-official.com, leadingfood.com, aicrn.com and two others.
These mail servers are frequently paired with the mail servers mx3.qiye.aliyun.com, mx1.qiye.aliyun.com and mx2.qiye.aliyun.com.
Host names that have two IP addresses:
mxn.mxhichina.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.
Host names that point to one IP address:
The hostname mxw.mxhichina.com resolves to 47.246.99.195.