psbio.cn - robtex.com
psbio.cn
| CNAME | 22.swnic.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.243.64.211🇭🇰 Alibaba-Cloud47.243.0.0/16 Proxy-registered route object | ||||||
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 ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034803556 | ||||||
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
●NSbill.dnspod.net2026-04-03 → 2026-05-17 · 3 obs
○ 2017-12-21 06:30:58
● 2026-04-03 03:45:50
● 2026-05-17 12:04:30
● 2026-04-03 03:45:50
● 2026-05-17 12:04:30
○NSdns15.hichina.com2017-12-21 → 2017-12-21 · 3 obs
● 2017-12-21 06:30:58
○ 2026-04-03 03:45:50
○ 2026-05-17 12:04:30
○ 2026-04-03 03:45:50
○ 2026-05-17 12:04:30
○NSdns16.hichina.com2017-12-21 → 2017-12-21 · 3 obs
● 2017-12-21 06:30:58
○ 2026-04-03 03:45:50
○ 2026-05-17 12:04:30
○ 2026-04-03 03:45:50
○ 2026-05-17 12:04:30
●NSvictory.dnspod.net2026-04-03 → 2026-05-17 · 3 obs
○ 2017-12-21 06:30:58
● 2026-04-03 03:45:50
● 2026-05-17 12:04:30
● 2026-04-03 03:45:50
● 2026-05-17 12:04:30
○A47.89.58.322017-12-21 → 2017-12-21 · 3 obs
● 2017-12-21 06:30:58
○ 2026-04-03 03:45:50
○ 2026-05-17 12:04:30
○ 2026-04-03 03:45:50
○ 2026-05-17 12:04:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| psbio.cn | bill.dnspod.net, victory.dnspod.net | - |
✅ Authoritative Response
Server:220.196.136.35
NS records: bill.dnspod.net, victory.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for psbio.cn (unsigned zone)
⏱️ Timing
Total: 1339ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | victory.dnspod.net, bill.dnspod.net |
| CNAME | 1 | 22.swnic.com |
| SOA | 1 | bill.dnspod.net freednsadmin.dnspod.com |
Analysis
IP Addresses
psbio.cn has IP address 47.243.64.211.
The host names xjol.net, sctv.com.cn, www.letou.com.cn and 2 hold the same IP numbers as psbio.cn.