21think.net - robtex.com
21think.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.206.199.219🇭🇰 GNET-AS9294154.206.192.0/20 | ||||||
| NS | ns1.julydns.com ⭐ | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1757981677 | ||||||
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=1778598426 | ||||||
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
○NSdns10.hichina.com2016-09-10 → 2016-09-10 · 3 obs
○ 2017-10-30 11:37:24
○ 2026-05-12 15:31:06
○NSdns9.hichina.com2016-09-10 → 2016-09-10 · 3 obs
○ 2017-10-30 11:37:24
○ 2026-05-12 15:31:06
○NSf1g1ns1.dnspod.net2017-10-30 → 2017-10-30 · 4 obs
● 2017-10-30 11:37:24
○ 2026-04-10 17:09:30
○ 2026-05-12 15:31:06
○NSf1g1ns2.dnspod.net2017-10-30 → 2017-10-30 · 4 obs
● 2017-10-30 11:37:24
○ 2026-04-10 17:09:30
○ 2026-05-12 15:31:06
●NSns1.julydns.com2026-04-10 → 2026-05-12 · 3 obs
● 2026-04-10 17:09:30
● 2026-05-12 15:31:06
●NSns2.julydns.com2026-04-10 → 2026-05-12 · 3 obs
● 2026-04-10 17:09:30
● 2026-05-12 15:31:06
○MXmxbiz1.qq.com2016-09-10 → 2016-09-10 · 3 obs
○ 2017-10-30 11:37:24
○ 2026-05-12 15:31:06
○MXmxbiz2.qq.com2016-09-10 → 2016-09-10 · 3 obs
○ 2017-10-30 11:37:24
○ 2026-05-12 15:31:06
○A122.114.124.1922016-09-10 → 2016-09-10 · 3 obs
○ 2026-04-10 17:09:30
○ 2026-05-12 15:31:06
○A123.60.206.1492017-10-30 → 2017-10-30 · 4 obs
● 2017-10-30 11:37:24
○ 2026-04-10 17:09:30
○ 2026-05-12 15:31:06
●A154.206.199.2192026-04-10 → 2026-05-12 · 3 obs
● 2026-04-10 17:09:30
● 2026-05-12 15:31:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21think.net | ns1.julydns.com, ns2.julydns.com | - |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21think.net (unsigned zone)
⏱️ Timing
Total: 349ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.206.199.219 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
21think.net resolves to one IP number: 154.206.199.219.
Name Servers
21think.net is delegated to two name servers ns1.julydns.com and ns2.julydns.com.
21think.net shares the same name server setup as other domains, for instance dbxt.cn, youjiasoftware.com, 455jb.com, xinjiaotikeji.com and bossproshops.com.
21think.net at least partially shares name servers with other domains, for instance fcdc.cn, zhihutech.cn, 0813fs.cn, dandashi.cn and aihenna.com.
these name servers are often used together with ns1.judns.com, ns2.judns.com, ns1.onclouddns.com and ns2.onclouddns.com.
Host names with a single IP:
ns1.julydns.com points to 162.159.48.223.
ns2.julydns.com points to 162.159.48.223.
Host names pointing to 162.159.48.223: ns1.julydns.com and ns2.julydns.com.