ptcj.cn - robtex.com
ptcj.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.238.244.6🇺🇸 AS401696156.238.244.0/22 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1780232319 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035094163 | ||||||
Previously NS for
ptcj.cn |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSdns25.hichina.com2020-04-12 → 2020-04-12 · 4 obs
● 2020-04-12 06:14:36
○ 2026-06-28 10:02:14
○ 2026-07-26 23:12:00
○NSdns26.hichina.com2020-04-12 → 2020-04-12 · 4 obs
● 2020-04-12 06:14:36
○ 2026-06-28 10:02:14
○ 2026-07-26 23:12:00
●NSns1.julydns.com2026-06-28 → 2026-07-26 · 3 obs
● 2026-06-28 10:02:14
● 2026-07-26 23:12:00
●NSns1.onclouddns.com2026-06-28 → 2026-07-26 · 3 obs
● 2026-06-28 10:02:14
● 2026-07-26 23:12:00
●NSns2.julydns.com2026-06-28 → 2026-07-26 · 3 obs
● 2026-06-28 10:02:14
● 2026-07-26 23:12:00
●NSns2.onclouddns.com2026-06-28 → 2026-07-26 · 3 obs
● 2026-06-28 10:02:14
● 2026-07-26 23:12:00
○NSptcj.cn2015-06-19 → 2015-06-19 · 3 obs
○ 2020-04-12 06:14:36
○ 2026-07-26 23:12:00
●A156.238.244.62026-06-28 → 2026-07-26 · 3 obs
● 2026-06-28 10:02:14
● 2026-07-26 23:12:00
○A98.126.171.2102015-06-19 → 2015-06-19 · 3 obs
○ 2020-04-12 06:14:36
○ 2026-07-26 23:12:00
○CNAMEoverdue.aliyun.com2020-04-12 → 2020-04-12 · 3 obs
○ 2026-06-28 10:02:14
○ 2026-07-26 23:12:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ptcj.cn | ns1.onclouddns.com, ns2.onclouddns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.onclouddns.com, ns2.onclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptcj.cn (unsigned zone)
⏱️ Timing
Total: 969ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.238.244.6 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
ptcj.cn has exactly one IP address — 156.238.244.6.
bgpd.cn, gnwx.cn, pyhp.cn plus two other host names have IP numbers in common with ptcj.cn.
Name Servers
Four name servers handle the delegation for ptcj.cn: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
ptcj.cn partially shares its NS delegation with several other domains, including izhm.cn, twcelp.com, qqwwk.com and two others.
These name servers are regularly seen alongside ns1.judns.com and ns2.judns.com as name servers.
ns1.julydns.com and ns2.julydns.com share the IP address 162.159.48.223; ns1.onclouddns.com and ns2.onclouddns.com share the IP address 162.159.27.251.
ns1.julydns.com and ns2.julydns.com are host names that each point to 162.159.48.223 IP addresses.
ns1.onclouddns.com and ns2.onclouddns.com are host names that each point to 162.159.27.251 IP addresses.