www.classbrain.com - robtex.com
www.classbrain.com
classbrain.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns37.domaincontrol.com ⭐ | ||||||
| NS | ns38.domaincontrol.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(20) | ||||||
| MX | alt2.aspmx.l.google.com(30) | ||||||
| MX | aspmx2.googlemail.com(40) | ||||||
| MX | aspmx3.googlemail.com(50) | ||||||
| TXT | google-site-verification=MpKR6qvFEO9ZgUFHm1VUjDnLg5oXrOfhhRn5mYtJWvg | ||||||
| SOA | ns37.domaincontrol.comdns@jomax.net 2026-02-18 #3 | ||||||
rank #425205 globally
rank #190786 in the tld
WOT: SAFE (92/100)
Same first word
Similar names
DNS History
9 records (1 active, 8 former)
○NSns37.domaincontrol.com2015-10-10 → 2017-05-11 · 4 obs
● 2017-05-11 19:38:00
○ 2017-06-26 20:52:14
○ 2026-03-23 15:01:42
○NSns38.domaincontrol.com2015-10-10 → 2017-05-11 · 4 obs
● 2017-05-11 19:38:00
○ 2017-06-26 20:52:14
○ 2026-03-23 15:01:42
○MXalt1.aspmx.l.google.com2015-10-10 → 2017-05-11 · 4 obs
● 2017-05-11 19:38:00
○ 2017-06-26 20:52:14
○ 2026-03-23 15:01:42
○MXalt2.aspmx.l.google.com2015-10-10 → 2017-05-11 · 4 obs
● 2017-05-11 19:38:00
○ 2017-06-26 20:52:14
○ 2026-03-23 15:01:42
○MXaspmx.l.google.com2015-10-10 → 2017-05-11 · 4 obs
● 2017-05-11 19:38:00
○ 2017-06-26 20:52:14
○ 2026-03-23 15:01:42
○MXaspmx2.googlemail.com2015-10-10 → 2017-05-11 · 4 obs
● 2017-05-11 19:38:00
○ 2017-06-26 20:52:14
○ 2026-03-23 15:01:42
○MXaspmx3.googlemail.com2015-10-10 → 2017-05-11 · 4 obs
● 2017-05-11 19:38:00
○ 2017-06-26 20:52:14
○ 2026-03-23 15:01:42
○A208.109.90.2002015-09-01 → 2017-05-11 · 4 obs
● 2017-05-11 19:38:00
○ 2017-06-26 20:52:14
○ 2026-03-23 15:01:42
●CNAMEclassbrain.com2015-09-01 → 2026-03-23 · 2 obs
● 2026-03-23 15:01:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net... | - |
| classbrain.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.108.19
NS records: ns37.domaincontrol.com, ns38.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classbrain.com (unsigned zone)
⏱️ Timing
Total: 131ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | classbrain.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)
Analysis
IP Addresses
www.classbrain.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.
Other host names, for instance ifigs.net, eldentist.com, grhdesigns.com, pspunlimited.com and seifname.com share IP numbers with www.classbrain.com.
Name Servers
www.classbrain.com has two name servers: ns37.domaincontrol.com and ns38.domaincontrol.com.
www.classbrain.com shares the same name server setup as other domains, for example apa-sc.com, hermitlab.com, wisemachine.com, sryp.net and a50mobility.com.
www.classbrain.com shares name servers with other domains to some extent, for example stagingproxy.com and c8tm.com.
Host names with two IP numbers:
ns37.domaincontrol.com points to: 2603:5:21c1::13 and 97.74.108.19; ns38.domaincontrol.com points to: 2603:5:22c1::13 and 173.201.76.19.
Mail Servers
www.classbrain.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
www.classbrain.com shares some mail servers with other domains, at least partially; for instance txnet.nl, elementalcomms.co.uk, flexanalyticsinc.com, sfile.com and ns500754.ns500731.ns500671.ns500754.ns500731.ns500678.ns500678.ns500688.ns500291.ns500291.ns500291.ns500291.ns500291.ns500131.lustychickser.com.
these mail servers are often used together with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IPs:
Host aspmx2.googlemail.com has IPs 2607:f8b0:4023:2801::1b and 192.178.128.27.
Host aspmx3.googlemail.com has IPs 2607:f8b0:4023:1015::1b and 172.253.135.26.
Host aspmx.l.google.com has IPs 2607:f8b0:4004:c19::1b and 172.253.62.27.
Host alt1.aspmx.l.google.com has IPs 2607:f8b0:4003:c30::1b and 74.125.27.26.
Host alt2.aspmx.l.google.com has IPs 2607:f8b0:4001:c70::1a and 192.178.209.26.