jddsj.cn - robtex.com
jddsj.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.115.71.130🇨🇳 ERX-CERNET-BKB202.115.64.0/20 CMI (Customer Route) | ||||||
| PTR | yz.swjtu.edu.cn | ||||||
| NS | dns17.hichina.com ⭐ | ||||||
| A | 2408:4009:501::25🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.100🇨🇳 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 | 139.224.142.110🇨🇳 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 | dns18.hichina.com | ||||||
| A | 2408:4009:501::26🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.98🇨🇳 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 | 139.224.142.108🇨🇳 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 | dns17.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034665013 | ||||||
Same first word
jddsj.cn |
Similar names
DNS History
21 records (3 active, 18 former)
○NSdns1.iidns.com2016-01-29 → 2017-04-07 · 4 obs
● 2016-01-29 16:05:02
● 2017-04-07 08:02:38
○ 2020-04-04 07:25:16
○ 2026-04-13 05:53:42
● 2017-04-07 08:02:38
○ 2020-04-04 07:25:16
○ 2026-04-13 05:53:42
●NSdns17.hichina.com2026-03-10 → 2026-04-13 · 3 obs
○ 2020-04-04 07:25:16
● 2026-03-10 07:54:48
● 2026-04-13 05:53:42
● 2026-03-10 07:54:48
● 2026-04-13 05:53:42
●NSdns18.hichina.com2026-03-10 → 2026-04-13 · 3 obs
○ 2020-04-04 07:25:16
● 2026-03-10 07:54:48
● 2026-04-13 05:53:42
● 2026-03-10 07:54:48
● 2026-04-13 05:53:42
○NSdns2.iidns.com2016-01-29 → 2016-05-05 · 4 obs
● 2016-01-29 16:05:02
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
○NSdns3.iidns.com2016-01-29 → 2016-05-05 · 4 obs
● 2016-01-29 16:05:02
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
○NSdns4.iidns.com2016-01-29 → 2016-05-05 · 4 obs
● 2016-01-29 16:05:02
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
○NSdns5.iidns.com2016-01-29 → 2016-05-05 · 4 obs
● 2016-01-29 16:05:02
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
○NSdns6.iidns.com2016-01-29 → 2016-05-05 · 4 obs
● 2016-01-29 16:05:02
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
○NSjm1.dns.com2020-04-04 → 2020-04-04 · 4 obs
○ 2017-04-07 08:02:38
● 2020-04-04 07:25:16
○ 2026-03-10 07:54:48
○ 2026-04-13 05:53:42
● 2020-04-04 07:25:16
○ 2026-03-10 07:54:48
○ 2026-04-13 05:53:42
○NSjm2.dns.com2020-04-04 → 2020-04-04 · 4 obs
○ 2017-04-07 08:02:38
● 2020-04-04 07:25:16
○ 2026-03-10 07:54:48
○ 2026-04-13 05:53:42
● 2020-04-04 07:25:16
○ 2026-03-10 07:54:48
○ 2026-04-13 05:53:42
○A103.241.230.1342017-04-07 → 2017-04-07 · 4 obs
○ 2016-05-05 12:16:02
● 2017-04-07 08:02:38
○ 2020-04-04 07:25:16
○ 2026-04-13 05:53:42
● 2017-04-07 08:02:38
○ 2020-04-04 07:25:16
○ 2026-04-13 05:53:42
○A103.241.230.1362017-04-07 → 2017-04-07 · 4 obs
○ 2016-05-05 12:16:02
● 2017-04-07 08:02:38
○ 2020-04-04 07:25:16
○ 2026-04-13 05:53:42
● 2017-04-07 08:02:38
○ 2020-04-04 07:25:16
○ 2026-04-13 05:53:42
○A103.241.230.1372017-04-07 → 2017-04-07 · 4 obs
○ 2016-05-05 12:16:02
● 2017-04-07 08:02:38
○ 2020-04-04 07:25:16
○ 2026-04-13 05:53:42
● 2017-04-07 08:02:38
○ 2020-04-04 07:25:16
○ 2026-04-13 05:53:42
○A107.167.19.722016-01-29 → 2016-01-29 · 4 obs
○ 2015-11-09 08:59:04
● 2016-01-29 16:05:02
○ 2016-05-05 12:16:02
○ 2026-04-13 05:53:42
● 2016-01-29 16:05:02
○ 2016-05-05 12:16:02
○ 2026-04-13 05:53:42
○A107.167.19.732016-01-29 → 2016-01-29 · 4 obs
○ 2015-11-09 08:59:04
● 2016-01-29 16:05:02
○ 2016-05-05 12:16:02
○ 2026-04-13 05:53:42
● 2016-01-29 16:05:02
○ 2016-05-05 12:16:02
○ 2026-04-13 05:53:42
○A107.167.19.742016-05-05 → 2016-05-05 · 4 obs
○ 2016-01-29 16:05:02
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
○A107.167.19.752016-05-05 → 2016-05-05 · 4 obs
○ 2016-01-29 16:05:02
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
● 2016-05-05 12:16:02
○ 2017-04-07 08:02:38
○ 2026-04-13 05:53:42
○A112.125.17.1032015-07-13 → 2015-07-13 · 3 obs
● 2015-07-13 03:39:04
○ 2015-11-09 08:59:04
○ 2026-04-13 05:53:42
○ 2015-11-09 08:59:04
○ 2026-04-13 05:53:42
●A202.115.71.1302026-03-10 → 2026-04-13 · 3 obs
○ 2020-04-04 07:25:16
● 2026-03-10 07:54:48
● 2026-04-13 05:53:42
● 2026-03-10 07:54:48
● 2026-04-13 05:53:42
○A45.202.4.1742020-04-04 → 2020-04-04 · 4 obs
○ 2017-04-07 08:02:38
● 2020-04-04 07:25:16
○ 2026-03-10 07:54:48
○ 2026-04-13 05:53:42
● 2020-04-04 07:25:16
○ 2026-03-10 07:54:48
○ 2026-04-13 05:53:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| jddsj.cn | dns17.hichina.com, dns18.hichina.com | - |
✅ Authoritative Response
Server:39.96.153.38
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jddsj.cn (unsigned zone)
⏱️ Timing
Total: 4962ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.115.71.130 |
| NS | 2 | dns17.hichina.com, dns18.hichina.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
jddsj.cn points to a single IP number: 202.115.71.130.
Other host names, for instance yz.swjtu.edu.cn, share IP numbers with jddsj.cn.
Name Servers
Delegation for jddsj.cn rests with two name servers, dns17.hichina.com and dns18.hichina.com.
jddsj.cn shares the same name server setup as other domains, including py-act.com, ruiketd.com, szdedong.com, clytzq.com and willingjam.com.
jddsj.cn partially shares name servers with other domains; for instance cdec.org.cn, landhouse.cn and mtour.net.
These name servers are commonly used with ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns17.hichina.com points to: 2408:4009:501::25, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.
dns18.hichina.com points to: 2408:4009:501::26, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.