`18xuexi.com`

DNSSEC	⚠️ Not signed
A	121.41.226.72^{🇨🇳 Alibaba-Cloud121.40.0.0/15}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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,}
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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.net`nstld@verisign-grs.com serial=1777261401

Same first word

18xuexi.com

DNS History

4 records (3 active, 1 former)

●NSdns10.hichina.com2015-07-13 → 2026-04-27 · 2 obs

● 2015-07-13 03:18:40
● 2026-04-27 03:47:02

●NSdns9.hichina.com2015-07-13 → 2026-04-27 · 2 obs

● 2015-07-13 03:18:40
● 2026-04-27 03:47:02

●A121.41.226.722017-01-09 → 2026-04-27 · 3 obs

○ 2016-05-01 09:47:04
● 2017-01-09 09:47:30
● 2026-04-27 03:47:02

○A223.4.238.322015-07-13 → 2016-05-01 · 4 obs

● 2015-07-13 03:18:40
● 2016-05-01 09:47:04
○ 2017-01-09 09:47:30
○ 2026-04-27 03:47:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
18xuexi.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 18xuexi.com (unsigned zone)

⏱️ Timing

Total: 537ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.41.226.72`
NS	2	`dns10.hichina.com, dns9.hichina.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

IP Addresses

18xuexi.com resolves to one IP number: 121.41.226.72.

Other host names, for instance nbdianda.com, nbshuoxue.com, yysmsly.com, taxuege.com and nbdqhssly.com share IP numbers with 18xuexi.com.

Name Servers

18xuexi.com's delegation uses two name servers: dns10.hichina.com and dns9.hichina.com.

18xuexi.com uses the same name server setup as other domains, such as cdian.net, jrclothes.com, yuncorp.com, kdsimeter.cn and adxmax.com.

18xuexi.com shares name servers with other domains at least partially, for example jn127.com, miaodingdp.com and njyxbz.com.

These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers: The host name dns10.hichina.com points to 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121. The host name dns9.hichina.com points to 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

18xuexi.com - robtex.com

18xuexi.com

com