ctfex.com - robtex.com

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`ctfex.com`

DNSSEC	⚠️ Not signed
A	35.73.28.51^{🇯🇵 Amazon}
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 ALIBABA-CN-NET}
		A	39.96.153.40^{🇨🇳 ALIBABA-CN-NET}
		A	39.96.153.60^{🇨🇳 ALIBABA-CN-NET}
		A	47.118.199.200^{🇨🇳 ALIBABA-CN-NET}
		A	47.118.199.220^{🇨🇳 ALIBABA-CN-NET}
		A	120.76.107.40^{🇨🇳 ALIBABA-CN-NET}
		A	120.76.107.60^{🇨🇳 ALIBABA-CN-NET}
		A	139.224.142.100^{🇨🇳 ALIBABA-CN-NET}
		A	139.224.142.110^{🇨🇳 ALIBABA-CN-NET}
NS	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 ALIBABA-CN-NET}
		A	39.96.153.38^{🇨🇳 ALIBABA-CN-NET}
		A	39.96.153.61^{🇨🇳 ALIBABA-CN-NET}
		A	47.118.199.198^{🇨🇳 ALIBABA-CN-NET}
		A	47.118.199.222^{🇨🇳 ALIBABA-CN-NET}
		A	120.76.107.38^{🇨🇳 ALIBABA-CN-NET}
		A	120.76.107.61^{🇨🇳 ALIBABA-CN-NET}
		A	139.224.142.98^{🇨🇳 ALIBABA-CN-NET}
		A	139.224.142.108^{🇨🇳 ALIBABA-CN-NET}
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 CNNIC-ALIBABA-CN-NET-AP}
		A	47.246.137.47^{🇺🇸 CNNIC-ALIBABA-CN-NET-AP}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 CNNIC-ALIBABA-CN-NET-AP}

`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`

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
ctfex.com	dns21.hichina.com, dns22.hichina.com	-

✅ Authoritative Response

Server: 120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctfex.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.73.28.51`
NS	2	`dns22.hichina.com, dns21.hichina.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

AI analysis

ctfex.com resolves to one IP number: 35.73.28.51.

ctfex.com is delegated to two name servers dns21.hichina.com and dns22.hichina.com.

ctfex.com shares the same name server setup as other domains, for instance goddancer.com, dragonins.cn, letaian.com, 588ab.com and zuliye.com.cn.

Host names with nine IP numbers:

dns21.hichina.com points to: 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns22.hichina.com points to: 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Two mail servers handle ctfex.com: mxn.mxhichina.com and mxw.mxhichina.com.

ctfex.com shares the same mail server setup as other domains, for instance ipayl.com, rosecloudy.com, pztest.com, doctliu.com and 1jietv.com.

ctfex.com shares some mail servers with other domains, at least partially, for instance leadingfood.com, dgdb88.cn, auvipal.com, wakingpr.com and bskx.cn.

these mail servers are often used alongside mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Two IP numbers for a host: mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

One IP number for a host: mxw.mxhichina.com points to 47.246.99.195.