study100.net - robtex.com
study100.net
| CNAME | www.study100.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 116.62.148.33🇨🇳 Alibaba-Cloud116.62.128.0/17 CNC Group CHINA169 Fujian Province Network Addresses from CNNIC(KUANCOM) | ||||||
net
| 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=1771291465 | ||||||
Subdomains
www.study100.net |
Same first word
study100.net |
DNS History
12 records (3 active, 9 former)
●NSdns17.hichina.com2026-03-11 → 2026-03-11 · 2 obs
○ 2019-04-15 07:22:28
● 2026-03-11 05:21:16
● 2026-03-11 05:21:16
●NSdns18.hichina.com2026-03-11 → 2026-03-11 · 2 obs
○ 2019-04-15 07:22:28
● 2026-03-11 05:21:16
● 2026-03-11 05:21:16
○NSf1g1ns1.dnspod.net2016-06-19 → 2017-01-17 · 5 obs
○ 2016-02-24 01:31:22
● 2016-06-19 11:05:18
● 2017-01-17 02:03:24
○ 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
● 2016-06-19 11:05:18
● 2017-01-17 02:03:24
○ 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
○NSf1g1ns2.dnspod.net2016-06-19 → 2017-01-17 · 5 obs
○ 2016-02-24 01:31:22
● 2016-06-19 11:05:18
● 2017-01-17 02:03:24
○ 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
● 2016-06-19 11:05:18
● 2017-01-17 02:03:24
○ 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
○NSjuming.dnsdun.com2019-04-15 → 2019-04-15 · 3 obs
○ 2017-01-17 02:03:24
● 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
● 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
○NSjuming.dnsdun.net2019-04-15 → 2019-04-15 · 3 obs
○ 2017-01-17 02:03:24
● 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
● 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
○NSns1.cnolnic.com2015-07-23 → 2015-11-26 · 4 obs
● 2015-07-23 04:47:48
● 2015-11-26 09:37:32
○ 2016-02-24 01:31:22
○ 2026-03-11 05:21:16
● 2015-11-26 09:37:32
○ 2016-02-24 01:31:22
○ 2026-03-11 05:21:16
○NSns2.cnolnic.com2015-07-23 → 2015-11-26 · 4 obs
● 2015-07-23 04:47:48
● 2015-11-26 09:37:32
○ 2016-02-24 01:31:22
○ 2026-03-11 05:21:16
● 2015-11-26 09:37:32
○ 2016-02-24 01:31:22
○ 2026-03-11 05:21:16
○A104.151.32.502019-04-15 → 2019-04-15 · 3 obs
○ 2016-06-19 11:05:18
● 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
● 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
○A27.50.136.1162015-07-23 → 2015-11-26 · 4 obs
● 2015-07-23 04:47:48
● 2015-11-26 09:37:32
○ 2016-02-24 01:31:22
○ 2026-03-11 05:21:16
● 2015-11-26 09:37:32
○ 2016-02-24 01:31:22
○ 2026-03-11 05:21:16
○A45.34.210.822016-06-19 → 2016-06-19 · 4 obs
○ 2016-02-24 01:31:22
● 2016-06-19 11:05:18
○ 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
● 2016-06-19 11:05:18
○ 2019-04-15 07:22:28
○ 2026-03-11 05:21:16
●CNAMEwww.study100.net2026-03-11 → 2026-03-11 · 1 obs
● 2026-03-11 05:21:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| study100.net | dns17.hichina.com, dns18.hichina.com | - |
✅ Authoritative Response
Server: 47.118.199.220
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study100.net (unsigned zone)
⏱️ Timing
Total: 1244ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns18.hichina.com, dns17.hichina.com |
| CNAME | 1 | www.study100.net |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
The parent of www.study100.net is study100.net.
IP Addresses
study100.net points to a single IP number: 116.62.148.33.
Other host names, for instance www.njzhifeng.com and www.study100.net, share IP numbers with study100.net.