`functional-programming.cn`

DNSSEC	⚠️ Not signed
A	47.94.108.4^{🇨🇳 Alibaba-Cloud47.94.0.0/15 CT BeiJing IDC}
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034771803

Same first word

functional-programming.cn

DNS History

5 records (5 active, 0 former)

●NSdns3.hichina.com2018-05-10 → 2026-05-09 · 2 obs

● 2018-05-10 01:49:24
● 2026-05-09 19:02:44

●NSdns4.hichina.com2018-05-10 → 2026-05-09 · 2 obs

● 2018-05-10 01:49:24
● 2026-05-09 19:02:44

●MXmxbiz1.qq.com2018-05-10 → 2026-05-09 · 2 obs

● 2018-05-10 01:49:24
● 2026-05-09 19:02:44

●MXmxbiz2.qq.com2018-05-10 → 2026-05-09 · 2 obs

● 2018-05-10 01:49:24
● 2026-05-09 19:02:44

●A47.94.108.42018-05-10 → 2026-05-09 · 2 obs

● 2018-05-10 01:49:24
● 2026-05-09 19:02:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, e.dns.cn, d.dns.cn, a.dns.cn...	-
functional-programming.cn	dns3.hichina.com, dns4.hichina.com	-

✅ Authoritative Response

Server:139.224.142.123

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for functional-programming.cn (unsigned zone)

⏱️ Timing

Total: 1911ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.94.108.4`
NS	2	`dns4.hichina.com, dns3.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

functional-programming.cn points to IP number 47.94.108.4.

Name Servers

functional-programming.cn is delegated to two name servers: dns3.hichina.com and dns4.hichina.com.

functional-programming.cn uses the same name server setup as other domains such as ztbj.com, xnvxtul.cn, luxerobot.com, ytkt.cn and gxhcrm.cn.

functional-programming.cn shares name servers with other domains at least partially, for example xghi.cn, onna.cn, ogemray-server.com, jinxinzl.com and vosion.com.

Host names with nine IP numbers:

dns3.hichina.com points to: 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns4.hichina.com points to: 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

Two mail servers mxbiz1.qq.com and mxbiz2.qq.com handle functional-programming.cn.

functional-programming.cn shares the same mail server setup as other domains, for instance officesupport.com.cn, hnii.com.cn, xingmai.net, amyue.com and data-aware.com.

functional-programming.cn shares mail servers with other domains at least partially; for instance boldun.com, htshenzhou.com, jyex.cn, ads56.com and gstachina.cn.

functional-programming.cn - robtex.com