b2bco.cn - robtex.com
b2bco.cn
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034546407 | ||||||
Subdomains
mail.b2bco.cn |
Same first word
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| b2bco.cn | art.ns.cloudflare.com, mona.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.102
NS records: art.ns.cloudflare.com, mona.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b2bco.cn (unsigned zone)
⏱️ Timing
Total: 1532ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.171.138.248 |
| NS | 2 | art.ns.cloudflare.com, mona.ns.cloudflare.com |
| MX | 1 | mail.b2bco.cn (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | art.ns.cloudflare.com dns.cloudflare.com |
Analysis
Hierarchy
b2bco.cn is the parent of mail.b2bco.cn.
IP Addresses
b2bco.cn resolves to one IP number: 142.171.138.248.
Name Servers
b2bco.cn is delegated to two name servers art.ns.cloudflare.com and mona.ns.cloudflare.com.
b2bco.cn shares the same name server setup as other domains, for instance ambayhospital.com, bonafide.com.ar, yakoo.cc, localsolutions.org.uk and alhasapa.co.il.
b2bco.cn at least partially shares name servers with other domains, for instance dico-blagues.com, jowotd.za.com, x8.to, falloutblocker.com and samsbarberstylingshop.com.
These name servers are commonly used alongside noor.ns.cloudflare.com and ruth.ns.cloudflare.com.
Host names with six IP numbers:
Host name art.ns.cloudflare.com points to: 2606:4700:58::adf5:3b66, 2803:f800:50::6ca2:c166, 2a06:98c1:50::ac40:2166, 108.162.193.102, 172.64.33.102 and 173.245.59.102.
Host name mona.ns.cloudflare.com points to: 2606:4700:50::adf5:3ace, 2803:f800:50::6ca2:c0ce, 2a06:98c1:50::ac40:20ce, 108.162.192.206, 172.64.32.206 and 173.245.58.206.
Mail Servers
b2bco.cn is handled by a single mail server, mail.b2bco.cn.
mail.b2bco.cn resolves to IP 142.171.138.248.