classmateinfo.com - dns.ninja
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=1781647970 | ||||||
Same first word
classmateinfo.com |
Similar names
DNS History
17 records (6 active, 11 former)
●NSns-cloud-b1.googledomains.com2020-02-14 → 2026-06-16 · 3 obs
● 2020-02-14 06:57:46
● 2026-06-16 22:36:28
●NSns-cloud-b2.googledomains.com2020-02-14 → 2026-06-16 · 3 obs
● 2020-02-14 06:57:46
● 2026-06-16 22:36:28
●NSns-cloud-b3.googledomains.com2020-02-14 → 2026-06-16 · 3 obs
● 2020-02-14 06:57:46
● 2026-06-16 22:36:28
●NSns-cloud-b4.googledomains.com2020-02-14 → 2026-06-16 · 3 obs
● 2020-02-14 06:57:46
● 2026-06-16 22:36:28
○NSns53.domaincontrol.com2015-04-29 → 2016-11-28 · 4 obs
● 2016-11-28 13:15:06
○ 2020-02-14 06:57:46
○ 2026-06-16 22:36:28
○NSns54.domaincontrol.com2015-04-29 → 2016-11-28 · 4 obs
● 2016-11-28 13:15:06
○ 2020-02-14 06:57:46
○ 2026-06-16 22:36:28
○MXalt1.gmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 4 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○ 2026-06-16 22:36:28
○MXalt2.gmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 4 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○ 2026-06-16 22:36:28
○MXalt3.gmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 4 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○ 2026-06-16 22:36:28
○MXalt4.gmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 4 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○ 2026-06-16 22:36:28
○MXgmr-smtp-in.l.google.com2020-02-14 → 2020-02-14 · 4 obs
● 2020-02-14 06:57:46
○ 2026-05-09 19:43:42
○ 2026-06-16 22:36:28
○MXmail.classmateinfo.com2015-04-29 → 2016-04-20 · 4 obs
● 2016-04-20 01:08:08
○ 2016-11-28 13:15:06
○ 2026-06-16 22:36:28
○MXmailstore1.secureserver.net2015-04-29 → 2016-11-28 · 4 obs
● 2016-11-28 13:15:06
○ 2020-02-14 06:57:46
○ 2026-06-16 22:36:28
●MXmxa.mailgun.org2026-05-09 → 2026-06-16 · 3 obs
● 2026-05-09 19:43:42
● 2026-06-16 22:36:28
●MXmxb.mailgun.org2026-05-09 → 2026-06-16 · 3 obs
● 2026-05-09 19:43:42
● 2026-06-16 22:36:28
○MXsmtp.secureserver.net2015-04-29 → 2016-11-28 · 4 obs
● 2016-11-28 13:15:06
○ 2020-02-14 06:57:46
○ 2026-06-16 22:36:28
○A98.248.50.482015-04-29 → 2016-04-20 · 4 obs
● 2016-04-20 01:08:08
○ 2016-11-28 13:15:06
○ 2026-06-16 22:36:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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:216.239.34.107
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: 359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com... |
| MX | 2 | mxa.mailgun.org (pri: 10), mxb.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 has four authoritative 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 has at least partial name server overlap with other domains, such as imagemagick.net, hansohome.com, kevlin.org and two others.
ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com all point to exactly two IP numbers each: ns-cloud-b1.googledomains.com → 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com → 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com → 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com → 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
classmateinfo.com has two mail servers: mxa.mailgun.org and mxb.mailgun.org.
classmateinfo.com shares the same mail server setup as other domains, including sgdpc.pc.sc.gov.br, orb.alkamitech.com, datelweb.com and two others.
classmateinfo.com shares mail servers — at least in part — with other domains, including cooljayblog.com, etradeforall.org, thedec.co and two others.
These mail servers are frequently used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus two others.
mxa.mailgun.org and mxb.mailgun.org both resolve to the same single IP address: 34.149.254.5.
mxa.mailgun.org and mxb.mailgun.org are host names that each point to 34.149.254.5 IP addresses.