`bjbysc.com`

DNSSEC	⚠️ Not signed
A	139.199.231.157^{🇨🇳 TENCENT-NET-AP139.199.230.0/23}
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	`mx01.dm.aliyun.com` ⭐
		A	59.82.33.237^{🇨🇳 Alibaba-Cloud59.82.32.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
TXT	`v=spf1 include:spf1.dm.aliyun.com -all`
TXT	`v=spf1 include:qcloudmail.com ~all`
SOA	`dns3.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=1777265086

Same first word

bjbysc.com

Similar names

jycbbs.com

csybbj.com

ysbcbj.com

bbjsyc.com

bcbjsy.com

yjcbbs.com

jscbby.com

DNS History

5 records (4 active, 1 former)

●NSdns3.hichina.com2020-01-10 → 2026-04-27 · 2 obs

● 2020-01-10 06:35:24
● 2026-04-27 04:47:34

●NSdns4.hichina.com2020-01-10 → 2026-04-27 · 2 obs

● 2020-01-10 06:35:24
● 2026-04-27 04:47:34

●MXmx01.dm.aliyun.com2026-04-02 → 2026-04-27 · 2 obs

● 2026-04-02 23:25:00
● 2026-04-27 04:47:34

●A139.199.231.1572020-01-10 → 2026-04-27 · 3 obs

○ 2017-03-23 05:59:58
● 2020-01-10 06:35:24
● 2026-04-27 04:47:34

○A47.88.3.2332016-08-09 → 2016-08-09 · 3 obs

● 2016-08-09 16:48:50
○ 2017-03-23 05:59:58
○ 2026-04-27 04:47:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bjbysc.com	dns3.hichina.com, dns4.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bjbysc.com (unsigned zone)

⏱️ Timing

Total: 3590ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.199.231.157`
NS	2	`dns3.hichina.com, dns4.hichina.com`
MX	1	`mx01.dm.aliyun.com (pri: 10)`
TXT	2	`v=spf1 include:qcloudmail.com ~all, v=spf1 include:spf1.dm.aliyun.com -all`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

IP Addresses

bjbysc.com points to a single IP number: 139.199.231.157.

Name Servers

bjbysc.com is delegated to two name servers: dns3.hichina.com and dns4.hichina.com.

bjbysc.com uses the same name server setup as other domains, for instance haofeng.xyz, nbbxt.com, 025njtyekyy.com, fjzsgc.com and sdenu.com.

bjbysc.com shares name servers with other domains at least partially, for instance zx095.com, yczhizao.com, khgfd.online, cntpe.com and guinness.cn.

these name servers are commonly used together with expirens3.hichina.com and expirens4.hichina.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

The mail server for bjbysc.com is mx01.dm.aliyun.com.

bjbysc.com shares the same mail server setup as other domains, including niniu.net, webruix.cn, nikon.com.cn, ferdiansyah.com and zhunaqu.com.

bjbysc.com shares some mail servers with other domains, including sen7ry.com, 163cs.com, shell.com.cn, manaihome.com and healthscale8.com.

these mail servers are commonly used with mxn.mxhichina.com, mxw.mxhichina.com, mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Host name mx01.dm.aliyun.com resolves to IP 59.82.33.237.

bjbysc.com - robtex.com

bjbysc.com

com