pcb-bj.com.cn - robtex.com
pcb-bj.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.232.112.221🇮🇳 AKAMAI-LINODE-AP172.232.96.0/19 Akamai Technologies | ||||||
| PTR | 172-232-112-221.ip.linodeusercontent.com | ||||||
| NS | dns7.expirenotification.com ⚠️ Not in zone NS records | ||||||
| A | 123.58.214.101🇭🇰 UCLOUD-1123.58.214.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| NS | dns8.expirenotification.com ⚠️ Not in zone NS records | ||||||
| A | 123.58.214.101🇭🇰 UCLOUD-1123.58.214.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2030511858 | ||||||
Subdomains
www.pcb-bj.com.cn |
Same first word
DNS History
5 records (3 active, 2 former)
●NSdns7.expirenotification.com2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 03:01:18
● 2026-04-13 04:57:42
●NSdns8.expirenotification.com2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 03:01:18
● 2026-04-13 04:57:42
○NSjm1.dns.com2019-12-25 → 2019-12-25 · 3 obs
○ 2026-04-09 03:01:18
○ 2026-04-13 04:57:42
●A172.232.112.2212026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 03:01:18
● 2026-04-13 04:57:42
○A180.215.161.1122019-12-25 → 2019-12-25 · 3 obs
○ 2026-04-09 03:01:18
○ 2026-04-13 04:57:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| pcb-bj.com.cn | dns7.expirenotification.com, dns8.expirenotification.com | - |
✅ Authoritative Response
Server:123.58.214.101
NS records: dns7.expirenotification.com, dns8.expirenotification.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 3738ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.232.112.221 |
Analysis
Hierarchy
The parent of www.pcb-bj.com.cn is pcb-bj.com.cn.
IP Addresses
pcb-bj.com.cn points to a single IP: 172.232.112.221.
Other host names, for instance hengermei.com, zxtsch.com, hn-17.com, ogtginjhd.com and aegq.cn share IP numbers with pcb-bj.com.cn.
Name Servers
Two name servers dns7.expirenotification.com and dns8.expirenotification.com handle delegation for pcb-bj.com.cn.
pcb-bj.com.cn uses the same name server setup as other domains, for example ddwnny.cn, seedscn.cn, mengphoto.com.cn, emhcuc.com.cn and kgav.cn.
Host names with one IP number
Host name dns7.expirenotification.com points to 123.58.214.101
Host name dns8.expirenotification.com points to 123.58.214.101
Host names that point to 123.58.214.101: dns7.expirenotification.com and dns8.expirenotification.com