pcb2000.com.cn - robtex.com
pcb2000.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 142.250.72.174🇺🇸 Google | ||||||
| PTR | lax17s50-in-f14.1e100.net | ||||||
| NS | a8.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| NS | b8.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1769519974 | ||||||
com.cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation 🔒 | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation 🔒 | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation 🔒 | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation 🔒 | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030422549 | ||||||
DNS History
13 records (5 active, 8 former)
●NSa.share-dns.com2026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 05:38:06
● 2026-02-21 05:38:08
●NSa8.share-dns.com2026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 05:38:06
● 2026-02-21 05:38:08
●NSb.share-dns.net2026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 05:38:06
● 2026-02-21 05:38:08
●NSb8.share-dns.net2026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 05:38:06
● 2026-02-21 05:38:08
○NSdns1.hichina.com2015-08-15 → 2020-02-09 · 4 obs
● 2020-02-09 21:26:16
○ 2026-02-21 05:38:06
○ 2026-02-21 05:38:08
○NSdns2.hichina.com2015-08-15 → 2020-02-09 · 4 obs
● 2020-02-09 21:26:16
○ 2026-02-21 05:38:06
○ 2026-02-21 05:38:08
○MXdns2.hichina.com2015-08-15 → 2020-02-09 · 4 obs
● 2020-02-09 21:26:16
○ 2026-02-21 05:38:06
○ 2026-02-21 05:38:08
○MXmail.pcb2000.com.cn2015-08-15 → 2020-02-09 · 4 obs
● 2020-02-09 21:26:16
○ 2026-02-21 05:38:06
○ 2026-02-21 05:38:08
○MXmxn.pcb2000.com.cn2015-08-15 → 2020-02-09 · 4 obs
● 2020-02-09 21:26:16
○ 2026-02-21 05:38:06
○ 2026-02-21 05:38:08
○MXmxw.pcb2000.com.cn2015-08-15 → 2020-02-09 · 4 obs
● 2020-02-09 21:26:16
○ 2026-02-21 05:38:06
○ 2026-02-21 05:38:08
○MXpcb2000.com.cn2015-08-15 → 2017-03-19 · 4 obs
● 2017-03-19 16:33:02
○ 2020-02-09 21:26:16
○ 2026-02-21 05:38:08
○A121.199.12.1632015-08-15 → 2017-03-19 · 4 obs
● 2017-03-19 16:33:02
○ 2020-02-09 21:26:16
○ 2026-02-21 05:38:08
●A142.250.72.1742026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 05:38:06
● 2026-02-21 05:38:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pcb2000.com.cn | a8.share-dns.com, b8.share-dns.net | - |
✅ Authoritative Response
Server: 172.64.52.239
NS records: a8.share-dns.com, b8.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pcb2000.com.cn (unsigned zone)
⏱️ Timing
Total: 451ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.250.72.174 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
AI analysis
pcb2000.com.cn points to a single IP number: 142.250.72.174.
other host names for instance ideaforum.com.cn, wdlndx.com, kuanghaochem.com, cjpiao.com and ahzyhg.com share IP numbers with pcb2000.com.cn.
pcb2000.com.cn is delegated to four name servers: a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net.
pcb2000.com.cn at least partially shares name servers with other domains, for instance xznsy.com, 454798.com, qqc33.com, pandalovely.com and cqmj.net.
These name servers are often used together with the name servers a6.share-dns.com, b6.share-dns.net, a12.share-dns.com, b12.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a10.share-dns.com, b10.share-dns.net, a3.share-dns.com and b3.share-dns.net.
Host names with one IP:
a8.share-dns.com points to 172.64.53.25.
a.share-dns.com points to 172.64.53.25.
b8.share-dns.net points to 172.64.52.239.
b.share-dns.net points to 172.64.52.239.
Hosts pointing to 172.64.53.25: a8.share-dns.com, a.share-dns.com.
Hosts pointing to 172.64.52.239: b8.share-dns.net, b.share-dns.net.