jsctc.com - robtex.com
jsctc.com
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
jsctc.com |
Similar names
DNS History
10 records (5 active, 5 former)
○NSdns1.iidns.com2017-02-17 → 2017-02-17 · 4 obs
● 2017-02-17 13:03:06
○ 2018-10-07 02:34:22
○ 2026-03-22 18:51:06
●NSdns10.hichina.com2018-10-07 → 2026-03-22 · 3 obs
● 2018-10-07 02:34:22
● 2026-03-22 18:51:06
●NSdns9.hichina.com2018-10-07 → 2026-03-22 · 3 obs
● 2018-10-07 02:34:22
● 2026-03-22 18:51:06
○NSf1g1ns1.dnspod.net2015-07-15 → 2016-02-26 · 4 obs
● 2016-02-26 11:18:50
○ 2016-05-11 01:38:26
○ 2026-03-22 18:51:06
○NSf1g1ns2.dnspod.net2015-07-15 → 2016-02-26 · 4 obs
● 2016-02-26 11:18:50
○ 2016-05-11 01:38:26
○ 2026-03-22 18:51:06
○A107.163.186.1262015-07-15 → 2016-02-26 · 4 obs
● 2016-02-26 11:18:50
○ 2016-05-11 01:38:26
○ 2026-03-22 18:51:06
●A39.102.50.1212026-03-21 → 2026-03-22 · 3 obs
● 2026-03-21 10:40:34
● 2026-03-22 18:51:06
○CNAMEoverdue.aliyun.com2018-10-07 → 2018-10-07 · 3 obs
○ 2026-02-23 11:42:12
○ 2026-03-22 18:51:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| jsctc.com | dns9.hichina.com, dns10.hichina.com | 18 records |
✅ Authoritative Response
Server: 120.76.107.42
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jsctc.com (unsigned zone)
⏱️ Timing
Total: 874ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 39.102.50.121 |
| NS | 2 | dns9.hichina.com, dns10.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)
Analysis
IP Addresses
jsctc.com points to IP number: 39.102.50.121.
Name Servers
jsctc.com is delegated to two name servers: dns10.hichina.com and dns9.hichina.com.
jsctc.com shares the same name server setup as wxpzgg.com, bddj.gov.cn, ichei.org, kbfg.cn and fudafiber.com.
jsctc.com at least partially shares name servers with other domains, for instance martkr.com, haotongart.com, vtalk.net, qc22.cn and jnchexian.com.
these name servers are commonly used with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.
Nine IP numbers per host:
dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
Mail Servers
jsctc.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
The mail server setup for jsctc.com matches that of other domains, for instance discuz.vip, dajiangtai.com, chinafilm.org.cn, fameile.net and maky.com.cn.
jsctc.com shares some mail servers with other domains, for instance cambridgechinaforum.org, gracekarinonline.com and trjcn.cn.
Host names with two IP numbers: mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191. Host names with one IP number: mxbiz2.qq.com points to 203.205.232.191. Host names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.