blackstoneprep.com - robtex.com
blackstoneprep.com
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=1774367522 | ||||||
Same first word
blackstoneprep.org |
blackstoneprep.com |
DNS History
13 records (13 active, 0 former)
●NSns23.domaincontrol.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●NSns24.domaincontrol.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●MXalt1.aspmx.l.google.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●MXalt2.aspmx.l.google.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●MXaspmx.l.google.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●MXaspmx2.googlemail.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●MXaspmx3.googlemail.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●MXaspmx4.googlemail.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●MXaspmx5.googlemail.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●A216.239.32.212015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●A216.239.34.212015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●A216.239.36.212015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
●A216.239.38.212015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 16:22:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net... | - |
| blackstoneprep.com | ns23.domaincontrol.com, ns24.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.69.12
NS records: ns23.domaincontrol.com, ns24.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blackstoneprep.com (unsigned zone)
⏱️ Timing
Total: 414ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.32.21, 216.239.34.21... |
| NS | 2 | ns23.domaincontrol.com, ns24.domaincontrol.com |
| MX | 7 | alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 20)... |
| TXT | 1 | google-site-verification=2iXwndhCuPpWZlm |
| SOA | 1 | ns23.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns23.domaincontrol.com, ns23.domaincontrol.com, ns24.domaincontrol.com...)
Analysis
IP Addresses
blackstoneprep.com points to four IP numbers: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.
Other host names, for instance biomassaedubr.com, norwoodschool.co.uk, ubatarealidade.com.br, rthhus.com and mickalford.com share IP numbers with blackstoneprep.com.
Name Servers
Delegation for blackstoneprep.com rests with two name servers, ns23.domaincontrol.com and ns24.domaincontrol.com.
blackstoneprep.com shares the same name server setup as other domains, including comptoirdesreducs.eu, upperroomradio.com, danmalo.com, ordecle.com and countrymusicexpo.com.
blackstoneprep.com shares name servers with other domains at least partially, for example medpal.com.
Host names with two IP numbers: ns23.domaincontrol.com points to 2603:5:2151::c and 97.74.101.12; ns24.domaincontrol.com points to 2603:5:2251::c and 173.201.69.12.
Mail Servers
blackstoneprep.com is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
blackstoneprep.com shares mail servers with other domains at least in part, for instance staroinsights.com, redocgroup.com, irnproperties.com, omthing.com and handandheartbakery.com.
these mail servers are often used with alt4.aspmx.l.google.com and alt3.aspmx.l.google.com.
Host names with two IP numbers
aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27
aspmx3.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.27
aspmx4.googlemail.com points to 2607:f8b0:4023:3003::1a and 172.253.145.27
aspmx5.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.27
aspmx.l.google.com points to 2607:f8b0:4023:c06::1b and 142.250.101.26
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26
Host names that point to 2800:3f0:4003:c0f::1b: aspmx2.googlemail.com, alt1.aspmx.l.google.com
Host names that point to 108.177.123.27: aspmx2.googlemail.com, alt1.aspmx.l.google.com