jystudy.cn - robtex.com

jystudy.cn

DNSSEC⚠️ Not signed
NSns11.xincache.com ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns12.xincache.com
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.111🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A129.211.176.239🇨🇳 TENCENT-NET-AP129.211.176.0/20
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
SOAns11.xincache.comns12@xincache.com serial=1766997600

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035104004

Same first word

jystudy.com
jystudy.cn

Similar names

yjstudy.com

DNS History

9 records (2 active, 7 former)

20162017201820192020202120222023202420252026NSns11.xincache.comns12.xincache.comns1.goodnic.netns2.dnsdun.comns2.dnsdun.netns2.goodnic.netA160.124.95.97175.102.12.25361.152.239.33
○NSns1.goodnic.net2015-05-25 → 2017-02-10 · 4 obs
● 2015-05-25 21:37:20
● 2017-02-10 19:29:32
○ 2018-11-20 16:41:20
○ 2026-07-29 02:53:32
●NSns11.xincache.com2026-05-21 → 2026-07-29 · 3 obs
○ 2018-11-20 16:41:20
● 2026-05-21 10:05:56
● 2026-07-29 02:53:32
●NSns12.xincache.com2026-05-21 → 2026-07-29 · 3 obs
○ 2018-11-20 16:41:20
● 2026-05-21 10:05:56
● 2026-07-29 02:53:32
○NSns2.dnsdun.com2018-11-20 → 2018-11-20 · 4 obs
○ 2017-02-10 19:29:32
● 2018-11-20 16:41:20
○ 2026-05-21 10:05:56
○ 2026-07-29 02:53:32
○NSns2.dnsdun.net2018-11-20 → 2018-11-20 · 4 obs
○ 2017-02-10 19:29:32
● 2018-11-20 16:41:20
○ 2026-05-21 10:05:56
○ 2026-07-29 02:53:32
○NSns2.goodnic.net2015-05-25 → 2017-02-10 · 4 obs
● 2015-05-25 21:37:20
● 2017-02-10 19:29:32
○ 2018-11-20 16:41:20
○ 2026-07-29 02:53:32
○A160.124.95.972018-11-20 → 2018-11-20 · 4 obs
○ 2017-02-10 19:29:32
● 2018-11-20 16:41:20
○ 2026-05-21 10:05:56
○ 2026-07-29 02:53:32
○A175.102.12.2532016-01-21 → 2017-02-10 · 5 obs
○ 2015-10-30 11:31:32
● 2016-01-21 19:52:14
● 2017-02-10 19:29:32
○ 2018-11-20 16:41:20
○ 2026-07-29 02:53:32
○A61.152.239.332015-05-25 → 2015-10-30 · 4 obs
● 2015-05-25 21:37:20
● 2015-10-30 11:31:32
○ 2016-01-21 19:52:14
○ 2026-07-29 02:53:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnc.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn...-
jystudy.cnns11.xincache.com, ns12.xincache.com-

✅ Authoritative Response

Server:117.89.178.173

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jystudy.cn (unsigned zone)

⏱️ Timing

Total: 3028ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns12.xincache.com, ns11.xincache.com
SOA1ns11.xincache.com ns12.xincache.com

Analysis

Name Servers

The NS records for jystudy.cn delegate to ns11.xincache.com and ns12.xincache.com.

The name server configuration of jystudy.cn is shared with other domains, for instance ufa86.com, gzsm.cc, sanscn.com and two others.

jystudy.cn shares at least some of its name servers with other domains, including xtlceramic.cn, gdgrain.com, sdjj.gov.cn and two others.

These name servers are frequently seen alongside ns19.xincache.com, ns20.xincache.com, ns15.xincache.com and 7 other name servers.

Hosts with 8 IP addresses each:

ns11.xincache.com maps to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 additional IP addresses.

Hosts with 7 IP addresses each:

ns12.xincache.com maps to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 additional IP addresses.