koothink.com - robtex.com
koothink.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.245.189.67🇺🇸 Colocrossing-AS172.245.189.0/24 | ||||||
| PTR | 172-245-189-67-host.colocrossing.com | ||||||
| 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=1771928660 | ||||||
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=1778599681 | ||||||
Subdomains
Same first word
koothink.com |
Similar names
DNS History
8 records (3 active, 5 former)
○NSdns10.hichina.com2016-12-15 → 2017-12-26 · 4 obs
● 2017-12-26 17:30:48
○ 2026-04-25 06:11:10
○ 2026-05-12 15:49:46
○NSdns9.hichina.com2016-12-15 → 2017-12-26 · 4 obs
● 2017-12-26 17:30:48
○ 2026-04-25 06:11:10
○ 2026-05-12 15:49:46
●NSns1.julydns.com2026-04-25 → 2026-05-12 · 3 obs
● 2026-04-25 06:11:10
● 2026-05-12 15:49:46
●NSns2.julydns.com2026-04-25 → 2026-05-12 · 3 obs
● 2026-04-25 06:11:10
● 2026-05-12 15:49:46
○MXmxbiz1.qq.com2016-12-15 → 2017-12-26 · 4 obs
● 2017-12-26 17:30:48
○ 2026-04-25 06:11:10
○ 2026-05-12 15:49:46
○MXmxbiz2.qq.com2016-12-15 → 2017-12-26 · 4 obs
● 2017-12-26 17:30:48
○ 2026-04-25 06:11:10
○ 2026-05-12 15:49:46
○A121.41.25.742016-12-15 → 2017-12-26 · 4 obs
● 2017-12-26 17:30:48
○ 2026-04-25 06:11:10
○ 2026-05-12 15:49:46
●A172.245.189.672026-04-25 → 2026-05-12 · 3 obs
● 2026-04-25 06:11:10
● 2026-05-12 15:49:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| koothink.com | ns1.julydns.com, ns2.julydns.com | 2 records |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koothink.com (unsigned zone)
⏱️ Timing
Total: 281ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.245.189.67 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.julydns.com, ns2.julydns.com)
Analysis
Hierarchy
koothink.com is a parent of ghrgv.koothink.com and byny8.koothink.com.
IP Addresses
koothink.com points to a single IP address: 172.245.189.67.
Other host names such as choubangkeji.com, 4qgtp.choubangkeji.com, ghrgv.koothink.com and byny8.koothink.com share IP numbers with koothink.com.
Name Servers
Two name servers ns1.julydns.com and ns2.julydns.com handle the delegation for koothink.com.
koothink.com shares the same name server setup as other domains, for example wxhowo.com, yiketou.com, xdinter.net, b98c5801c0.top and xiaowooo.com.
koothink.com at least partially shares name servers with other domains, for example yuyicq.com, gwysmall.com, help99.com, vpsk.cn and ipnba.cn.
These name servers are often used together with ns1.judns.com and ns2.judns.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.