classbrain.com - dns.ninja
classbrain.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=1784997797 | ||||||
rank #175881 in the tld
WOT: SAFE (92/100)
Subdomains
Same first word
classbrain.net |
classbrain.com |
classbrain.org |
Similar names
DNS History
10 records (9 active, 1 former)
●NSns37.domaincontrol.com2015-05-27 → 2026-07-25 · 2 obs
● 2026-07-25 16:59:24
●NSns38.domaincontrol.com2015-05-27 → 2026-07-25 · 2 obs
● 2026-07-25 16:59:24
●MXalt1.aspmx.l.google.com2015-05-27 → 2026-07-25 · 2 obs
● 2026-07-25 16:59:24
●MXalt2.aspmx.l.google.com2015-05-27 → 2026-07-25 · 2 obs
● 2026-07-25 16:59:24
●MXaspmx.l.google.com2015-05-27 → 2026-07-25 · 2 obs
● 2026-07-25 16:59:24
●MXaspmx2.googlemail.com2015-05-27 → 2026-07-25 · 2 obs
● 2026-07-25 16:59:24
●MXaspmx3.googlemail.com2015-05-27 → 2026-07-25 · 2 obs
● 2026-07-25 16:59:24
●A15.197.225.1282026-03-23 → 2026-07-25 · 3 obs
● 2026-03-23 15:01:40
● 2026-07-25 16:59:24
○A208.109.90.2002015-05-27 → 2017-07-24 · 4 obs
● 2017-07-24 13:01:14
○ 2026-03-23 15:01:40
○ 2026-07-25 16:59:24
●A3.33.251.1682026-03-23 → 2026-07-25 · 3 obs
● 2026-03-23 15:01:40
● 2026-07-25 16:59:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| classbrain.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.76.19
NS records: ns37.domaincontrol.com, ns38.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classbrain.com (unsigned zone)
⏱️ Timing
Total: 541ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns37.domaincontrol.com, ns38.domaincontrol.com |
| MX | 5 | alt2.aspmx.l.google.com (pri: 30), aspmx2.googlemail.com (pri: 40)... |
| TXT | 1 | google-site-verification=MpKR6qvFEO9ZgUF |
| SOA | 1 | ns37.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)
Analysis
Hierarchy
classbrain.com is the parent domain of mail.classbrain.com and www.classbrain.com.
IP Addresses
classbrain.com has two IP addresses: 3.33.251.168 and 15.197.225.128
Additional host names — vncentral.net, investmentpropertyvalues.com, kowalchukhomes.com and two others — share IP numbers with classbrain.com.
Name Servers
classbrain.com uses two name servers for its delegation: ns37.domaincontrol.com and ns38.domaincontrol.com.
classbrain.com shares its name server setup with other domains, including strapolec.ca, markandpamrushmore.com, beyondmasterclass.ai and two others.
The two host names ns37.domaincontrol.com and ns38.domaincontrol.com each have a pair of IP addresses: ns37.domaincontrol.com has 97.74.108.19 and 2603:5:21c1::13, and ns38.domaincontrol.com has 173.201.76.19 and 2603:5:22c1::13.
Mail Servers
Five mail servers handle classbrain.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
classbrain.com shares mail servers — at least in part — with other domains, including ns500731.ns500731.ns500671.ns500731.ns500705.ns500688.ns500688.ns500649.ns500671.ns500153.tenderladiesbz.com, ns500734.ns500693.ns500734.ns500734.ns500699.ns500699.ns500693.ns500699.ns500693.ns500699.ns500683.ns500588.ns500588.ns500612.ns500632.ns500110.dtrkdll.com, ns500742.ns500671.ns500754.ns500704.ns500704.ns500649.ns500671.ns500131.lustychickser.com and two others.
These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.
Host names with two IP numbers:
aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com directs traffic to 172.253.145.27 and 2607:f8b0:4023:3003::1a.
aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt1.aspmx.l.google.com directs traffic to 142.250.102.26 and 2a00:1450:4025:402::1b.
alt2.aspmx.l.google.com directs traffic to 192.178.213.26 and 2a00:1450:4013:c1e::1b.