jb-sd.com - dns.ninja

`jb-sd.com`

DNSSEC	⚠️ Not signed
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns19.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns20.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxc.global-mail.cn` ⭐
		A	101.36.121.182^{🇭🇰 UCLOUD-1101.36.121.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
MX	`mxu.global-mail.cn`⁽⁵⁰⁾
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
TXT	`v=spf1 include:spfv.global-mail.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772303677

`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=1782753726

Same first word

jb-sd.com

Similar names

bj-sd.com.cn

bj-sd.com

js-db.de

sb-jd.com

bs-dj.com

bd-js.com

dj-sb.com

sd-jb.com

js-db.com

dj-bs.com

DNS History

11 records (5 active, 6 former)

●NSns11.xincache.com2026-06-29 → 2026-06-29 · 2 obs

○ 2016-11-22 22:54:50
● 2026-06-29 17:38:36

○NSns13.xincache.com2015-08-24 → 2016-09-09 · 4 obs

● 2015-08-24 11:01:38
● 2016-09-09 02:01:24
○ 2016-11-22 22:54:50
○ 2026-06-29 17:38:36

○NSns14.xincache.com2015-08-24 → 2016-09-09 · 4 obs

● 2015-08-24 11:01:38
● 2016-09-09 02:01:24
○ 2016-11-22 22:54:50
○ 2026-06-29 17:38:36

●NSns19.xincache.com2016-11-22 → 2026-06-29 · 3 obs

○ 2016-09-09 02:01:24
● 2016-11-22 22:54:50
● 2026-06-29 17:38:36

●NSns20.xincache.com2016-11-22 → 2026-06-29 · 3 obs

○ 2016-09-09 02:01:24
● 2016-11-22 22:54:50
● 2026-06-29 17:38:36

○MXmx-n.global-mail.cn2015-08-24 → 2018-01-31 · 4 obs

● 2015-08-24 11:01:38
● 2018-01-31 15:37:12
○ 2026-02-22 07:57:58
○ 2026-06-29 17:38:36

○MXmx1-n.global-mail.cn2015-08-24 → 2018-01-31 · 4 obs

● 2015-08-24 11:01:38
● 2018-01-31 15:37:12
○ 2026-02-22 07:57:58
○ 2026-06-29 17:38:36

●MXmxc.global-mail.cn2026-06-29 → 2026-06-29 · 2 obs

○ 2026-02-24 05:27:28
● 2026-06-29 17:38:36

○MXmxf.global-mail.cn2026-02-22 → 2026-02-24 · 4 obs

○ 2018-01-31 15:37:12
● 2026-02-22 07:57:58
● 2026-02-24 05:27:28
○ 2026-06-29 17:38:36

○MXmxf1.global-mail.cn2026-02-22 → 2026-02-24 · 4 obs

○ 2018-01-31 15:37:12
● 2026-02-22 07:57:58
● 2026-02-24 05:27:28
○ 2026-06-29 17:38:36

●MXmxu.global-mail.cn2026-06-29 → 2026-06-29 · 2 obs

○ 2026-02-24 05:27:28
● 2026-06-29 17:38:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
jb-sd.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jb-sd.com (unsigned zone)

⏱️ Timing

Total: 588ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns19.xincache.com, ns20.xincache.com`
MX	2	`mxc.global-mail.cn (pri: 5), mxu.global-mail.cn (pri: 50)`
TXT	1	`v=spf1 include:spfv.global-mail.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

Name Servers

jb-sd.com carries NS records delegating to ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.

jb-sd.com has at least partial name server overlap with other domains, such as kinghill.cn, 3good.net, newtd.cn and two others.

ns12.xincache.com, ce1.xincache.com and ce2.xincache.com — plus 6 other name servers — are commonly paired with these name servers.

Hosts with 8 IP addresses each:

ns11.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.

ns19.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.

Hosts with 7 IP addresses each:

ns20.xincache.com resolves to 1.12.0.1, 36.155.149.176 and 112.80.181.111 among others, with 4 other IP addresses in total.

ns11.xincache.com along with ns19.xincache.com each resolve to 2402:4e00:1470:2::e IP addresses.

ns11.xincache.com along with ns19.xincache.com each resolve to 2402:4e00:1730::e IP addresses.

ns11.xincache.com along with ns19.xincache.com each resolve to 1.12.0.4 IP addresses.

ns11.xincache.com along with ns19.xincache.com each resolve to 36.155.149.180 IP addresses.

ns11.xincache.com along with ns19.xincache.com each resolve to 112.80.181.45 IP addresses.

ns11.xincache.com along with ns19.xincache.com each resolve to 117.89.178.173 IP addresses.

ns11.xincache.com along with ns19.xincache.com each resolve to 125.94.59.210 IP addresses.

ns11.xincache.com along with ns19.xincache.com each resolve to 129.211.176.209 IP addresses.

Mail Servers

jb-sd.com uses two mail servers, mxc.global-mail.cn and mxu.global-mail.cn.

The mail server setup of jb-sd.com matches that of other domains such as livtex.com, zdkqyy.com, huaertai.net and two others.

At least some of the mail servers used by jb-sd.com are shared with other domains: markerp.com, nanhaicorp.com, topwin-cn.com and two others among them.

These mail servers tend to be used in conjunction with the mail servers mxcello.global-mail.cn.

mxc.global-mail.cn directs to 101.36.121.182 and mxu.global-mail.cn directs to 117.50.223.79; each host name points to exactly one IP number.