b-certification.com - robtex.com
b-certification.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.250.124.23🇲🇾 Alibaba-Cloud47.250.64.0/18 Proxy-registered route object | ||||||
| NS | a9.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b9.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1749195004 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774380302 | ||||||
Same first word
b-certification.com |
DNS History
5 records (5 active, 0 former)
●NSa.share-dns.com2026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 19:45:44
●NSa9.share-dns.com2026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 19:45:44
●NSb.share-dns.net2026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 19:45:44
●NSb9.share-dns.net2026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 19:45:44
●A47.250.124.232026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 19:45:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net... | - |
| b-certification.com | b9.share-dns.net, a9.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b9.share-dns.net, a9.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b-certification.com (unsigned zone)
⏱️ Timing
Total: 118ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.250.124.23 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a9.share-dns.com)
Analysis
IP Addresses
b-certification.com points to a single IP address: 47.250.124.23.
Other host names, for instance r-certification.com, n-certification.com, i-certification.com and x-certification.com share IP numbers with b-certification.com.
Name Servers
b-certification.com is delegated to four name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.
At least part of the name servers for b-certification.com are shared with other domains, for instance wfmeirong.com, gagechan.com, 880037.com, awenhua.com and youqitg.com.
these name servers are commonly used with the name servers a8.share-dns.com, b8.share-dns.net, a10.share-dns.com, b10.share-dns.net, a2.share-dns.com, b2.share-dns.net, a11.share-dns.com, b11.share-dns.net, ns1.gname-dns.com and ns2.gname-dns.com.
Hostnames with one IP:
a9.share-dns.com points to 172.64.53.25
a.share-dns.com points to 172.64.53.25
b9.share-dns.net points to 172.64.52.239
b.share-dns.net points to 172.64.52.239
Hostnames that point to 172.64.53.25: a9.share-dns.com and a.share-dns.com
Hostnames that point to 172.64.52.239: b9.share-dns.net and b.share-dns.net