`jyb19.com`

DNSSEC	⚠️ Not signed
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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	`dns31.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1774850777

Subdomains

www.jyb19.com

Same first word

jyb19.com

Similar names

91byj.com

DNS History

8 records (4 active, 4 former)

●NSdns31.hichina.com2015-08-05 → 2026-03-30 · 2 obs

● 2015-08-05 19:59:44
● 2026-03-30 06:25:02

●NSdns32.hichina.com2015-08-05 → 2026-03-30 · 2 obs

● 2015-08-05 19:59:44
● 2026-03-30 06:25:02

●MXmxbiz1.qq.com2026-03-30 → 2026-03-30 · 3 obs

○ 2020-04-12 01:17:56
● 2026-03-30 06:25:00
● 2026-03-30 06:25:02

●MXmxbiz2.qq.com2026-03-30 → 2026-03-30 · 3 obs

○ 2020-04-12 01:17:56
● 2026-03-30 06:25:00
● 2026-03-30 06:25:02

○MXmxn.mxhichina.com2015-08-05 → 2020-04-12 · 4 obs

● 2015-08-05 19:59:44
● 2020-04-12 01:17:56
○ 2026-03-30 06:25:00
○ 2026-03-30 06:25:02

○MXmxw.mxhichina.com2015-08-05 → 2020-04-12 · 4 obs

● 2015-08-05 19:59:44
● 2020-04-12 01:17:56
○ 2026-03-30 06:25:00
○ 2026-03-30 06:25:02

○A121.198.230.1842015-08-05 → 2015-12-10 · 4 obs

● 2015-08-05 19:59:44
● 2015-12-10 17:35:08
○ 2016-03-20 00:38:48
○ 2026-03-30 06:25:02

○A182.92.8.1962016-03-20 → 2017-04-04 · 5 obs

○ 2015-12-10 17:35:08
● 2016-03-20 00:38:48
● 2017-04-04 13:00:40
○ 2020-04-12 01:17:56
○ 2026-03-30 06:25:02

🔍 DNS Trace

Analysis

Hierarchy

The parent of www.jyb19.com is jyb19.com.

Name Servers

Two name servers dns31.hichina.com and dns32.hichina.com handle the delegation for jyb19.com.

jyb19.com shares the same name server setup as other domains, for example dainanzhen.com, fyyplt.com, fushilai.cn, xiyt.cn and nengtec.com.

jyb19.com shares name servers with other domains to some extent, including uupop.net, ileaper.com, changturen.com and hzszyy.com.

Host names with nine IP numbers: dns31.hichina.com points to: 2408:4009:501::39, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109; dns32.hichina.com points to: 2408:4009:501::40, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

Mail Servers

Two mail servers handle jyb19.com: mxbiz1.qq.com and mxbiz2.qq.com.

jyb19.com shares the same mail server setup as other domains, including blear.cn, checkwin.net, share5.cn, hugezoom.com and xizi.com.

jyb19.com shares at least some mail servers with other domains, for example shangmuyu.com and bjhecheng.com.

These mail servers are often used with mxn.mxhichina.com and mxw.mxhichina.com.

jyb19.com - robtex.com

jyb19.com

com