bbtschool.com - robtex.com
bbtschool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.220.236.229🇭🇰 GNET-AS9294154.220.224.0/20 | ||||||
| NS | ns1.julydns.com ⭐ | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1785055761 | ||||||
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=1786562514 | ||||||
Subdomains
Same first word
bbtschool.com |
Similar names
DNS History
8 records (3 active, 5 former)
○NSdns1.servidoresdns.net2015-05-30 → 2018-07-29 · 4 obs
● 2018-07-29 16:50:14
○ 2026-07-12 13:46:28
○ 2026-08-12 19:42:48
○NSdns2.servidoresdns.net2015-05-30 → 2018-07-29 · 4 obs
● 2018-07-29 16:50:14
○ 2026-07-12 13:46:28
○ 2026-08-12 19:42:48
●NSns1.julydns.com2026-07-12 → 2026-08-12 · 3 obs
● 2026-07-12 13:46:28
● 2026-08-12 19:42:48
●NSns2.julydns.com2026-07-12 → 2026-08-12 · 3 obs
● 2026-07-12 13:46:28
● 2026-08-12 19:42:48
●A154.220.236.2292026-08-09 → 2026-08-12 · 3 obs
● 2026-08-09 16:14:10
● 2026-08-12 19:42:48
○A19.200.30.122026-07-12 → 2026-07-12 · 4 obs
● 2026-07-12 13:46:28
○ 2026-07-19 10:09:48
○ 2026-08-12 19:42:48
○A217.76.128.342015-05-30 → 2018-07-29 · 4 obs
● 2018-07-29 16:50:14
○ 2026-07-12 13:46:28
○ 2026-08-12 19:42:48
○A82.109.253.1672026-07-19 → 2026-07-19 · 4 obs
● 2026-07-19 10:09:48
○ 2026-08-09 16:14:10
○ 2026-08-12 19:42:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bbtschool.com | ns1.julydns.com, ns2.julydns.com | 2 records |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bbtschool.com (unsigned zone)
⏱️ Timing
Total: 369ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.220.236.229 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.julydns.com, ns2.julydns.com)
Analysis
Hierarchy
m.bbtschool.com and www.bbtschool.com are both subdomains of bbtschool.com.
IP Addresses
bbtschool.com resolves to one IP address: 154.220.236.229.
www.acgcommunity.com, acgcommunity.com, m.bbtschool.com and two other host names share IP numbers with bbtschool.com.
Name Servers
The NS records for bbtschool.com delegate to ns1.julydns.com and ns2.julydns.com.
bbtschool.com uses the same name servers as several other domains — among them scrappea.com, bhqxkj.com, gdgsg.com and two more.
There is at least partial name server overlap between bbtschool.com and other domains — aiyi1995.cn, ahjssp.com, leeyangy.xyz and two more among them.
These name servers tend to appear in combination with the name servers ns1.judns.com, ns2.judns.com, ns1.onclouddns.com and ns2.onclouddns.com.
Each of ns1.julydns.com and ns2.julydns.com points to exactly one IP address: 162.159.48.223.
ns1.julydns.com and ns2.julydns.com each have 162.159.48.223 IP addresses.