cntxjs.com - robtex.com
cntxjs.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.171.179.151🇺🇸 ESITED-1104.171.176.0/20 ARIN direct allocation | ||||||
| NS | a4.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b4.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1769528710 | ||||||
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=1774409337 | ||||||
Same first word
cntxjs.com |
Similar names
DNS History
14 records (5 active, 9 former)
●NSa.share-dns.com2026-02-19 → 2026-03-25 · 3 obs
● 2026-02-19 04:16:18
● 2026-03-25 03:54:20
●NSa4.share-dns.com2026-02-19 → 2026-03-25 · 3 obs
● 2026-02-19 04:16:18
● 2026-03-25 03:54:20
●NSb.share-dns.net2026-02-19 → 2026-03-25 · 3 obs
● 2026-02-19 04:16:18
● 2026-03-25 03:54:20
●NSb4.share-dns.net2026-02-19 → 2026-03-25 · 3 obs
● 2026-02-19 04:16:18
● 2026-03-25 03:54:20
○NSdns.bizcn.com2017-03-18 → 2020-01-13 · 5 obs
● 2017-03-18 15:18:36
● 2020-01-13 16:04:00
○ 2026-02-19 04:16:18
○ 2026-03-25 03:54:20
○NSns1.dns.com.cn2015-08-11 → 2020-01-13 · 4 obs
● 2020-01-13 16:04:00
○ 2026-02-19 04:16:18
○ 2026-03-25 03:54:20
○NSns2.dns.com.cn2015-08-11 → 2020-01-13 · 6 obs
● 2016-07-11 17:46:06
○ 2017-03-18 15:18:36
● 2020-01-13 16:04:00
○ 2026-02-19 04:16:18
○ 2026-03-25 03:54:20
○NSns7.alidns.com2026-02-19 → 2026-03-25 · 2 obs
○ 2026-03-25 03:54:20
○NSns8.alidns.com2026-02-19 → 2026-03-25 · 2 obs
○ 2026-03-25 03:54:20
○MXmx1xinmail.xinnetdns.com2015-08-11 → 2020-01-13 · 4 obs
● 2020-01-13 16:04:00
○ 2026-02-19 04:16:18
○ 2026-03-25 03:54:20
○MXmxxinmail.xinnetdns.com2015-08-11 → 2020-01-13 · 4 obs
● 2020-01-13 16:04:00
○ 2026-02-19 04:16:18
○ 2026-03-25 03:54:20
○A103.24.228.2182015-08-11 → 2020-01-13 · 4 obs
● 2020-01-13 16:04:00
○ 2026-02-19 04:16:18
○ 2026-03-25 03:54:20
●A104.171.179.1512026-02-19 → 2026-03-25 · 3 obs
● 2026-02-19 04:16:18
● 2026-03-25 03:54:20
○A38.247.8.302026-02-19 → 2026-03-25 · 2 obs
○ 2026-03-25 03:54:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net... | - |
| cntxjs.com | b4.share-dns.net, a4.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b4.share-dns.net, a4.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cntxjs.com (unsigned zone)
⏱️ Timing
Total: 1646ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.171.179.151 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a4.share-dns.com)
Analysis
IP Addresses
cntxjs.com maps to IP address 104.171.179.151.
Name Servers
cntxjs.com is delegated to four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.
cntxjs.com at least partially shares name servers with other domains such as xcygw.com, butiankj.com, loladanza.com, cjqcc.com and 587228.com.
These name servers are often used together with a1.share-dns.com, b1.share-dns.net, a11.share-dns.com, b11.share-dns.net, a12.share-dns.com, b12.share-dns.net, a9.share-dns.com, b9.share-dns.net, a5.share-dns.com and b5.share-dns.net.
Hostnames with a single IP
a4.share-dns.com resolves to 172.64.53.25
a.share-dns.com resolves to 172.64.53.25
b4.share-dns.net resolves to 172.64.52.239
b.share-dns.net resolves to 172.64.52.239
Hostnames pointing to 172.64.53.25: a4.share-dns.com and a.share-dns.com
Hostnames pointing to 172.64.52.239: b4.share-dns.net and b.share-dns.net