classmateinfo.com - robtex.com
classmateinfo.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=1778354921 | ||||||
Same first word
classmateinfo.com |
Similar names
DNS History
17 records (6 active, 11 former)
●NSns-cloud-b1.googledomains.com2020-02-14 → 2026-05-09 · 3 obs
● 2020-02-14 06:57:46
● 2026-05-09 19:43:42
●NSns-cloud-b2.googledomains.com2020-02-14 → 2026-05-09 · 3 obs
● 2020-02-14 06:57:46
● 2026-05-09 19:43:42
●NSns-cloud-b3.googledomains.com2020-02-14 → 2026-05-09 · 3 obs
● 2020-02-14 06:57:46
● 2026-05-09 19:43:42
●NSns-cloud-b4.googledomains.com2020-02-14 → 2026-05-09 · 3 obs
● 2020-02-14 06:57:46
● 2026-05-09 19:43:42
○NSns53.domaincontrol.com2015-04-29 → 2016-11-28 · 4 obs
● 2016-11-28 13:15:06
○ 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○NSns54.domaincontrol.com2015-04-29 → 2016-11-28 · 4 obs
● 2016-11-28 13:15:06
○ 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○MXalt1.gmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 3 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○MXalt2.gmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 3 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○MXalt3.gmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 3 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○MXalt4.gmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 3 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○MXgmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 3 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○MXmail.classmateinfo.com2015-04-29 → 2016-04-20 · 4 obs
● 2016-04-20 01:08:08
○ 2016-11-28 13:15:06
○ 2026-05-09 19:43:42
○MXmailstore1.secureserver.net2015-04-29 → 2016-11-28 · 4 obs
● 2016-11-28 13:15:06
○ 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
●MXmxa.mailgun.org2026-05-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:43:42
●MXmxb.mailgun.org2026-05-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:43:42
○MXsmtp.secureserver.net2015-04-29 → 2016-11-28 · 4 obs
● 2016-11-28 13:15:06
○ 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○A98.248.50.482015-04-29 → 2016-04-20 · 4 obs
● 2016-04-20 01:08:08
○ 2016-11-28 13:15:06
○ 2026-05-09 19:43:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net... | - |
| classmateinfo.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.36.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 376ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-b1.googledomains.com, ns-cloud-b3.googledomains.com... |
| MX | 2 | mxb.mailgun.org (pri: 10), mxa.mailgun.org (pri: 10) |
| TXT | 1 | v=spf1 include:mailgun.org include:gmail |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
Name Servers
classmateinfo.com is delegated to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
classmateinfo.com at least partially shares name servers with other domains such as imagemagick.net, hansohome.com, kevlin.org, ourplacetherapy.ca and rousseauwatch.com.
Host names with two IP numbers:
ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107
ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107
ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107
ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107
Mail Servers
Two mail servers handle classmateinfo.com: mxa.mailgun.org and mxb.mailgun.org.
classmateinfo.com shares the same mail server setup as other domains, including orb.alkamitech.com, datelweb.com, deya-ebill.gr, mdhardy.com and timlallysave.com.
classmateinfo.com shares mail servers with other domains at least in part, for instance cooljayblog.com, etradeforall.org, thedec.co, theskylive.com and buildtrove.com.
These mail servers are often used together with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Hostnames with one IP number:
mxa.mailgun.org points to 34.36.182.139
mxb.mailgun.org points to 34.36.182.139
Hostnames pointing to 34.36.182.139: mxa.mailgun.org, mxb.mailgun.org