classmonitor.com - dns.ninja
classmonitor.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=1785538157 | ||||||
Subdomains
newcrm.classmonitor.com |
Same first word
classmonitor.in |
classmonitor.com |
Similar names
DNS History
14 records (9 active, 5 former)
○NSns.buydomains.com2015-06-18 → 2016-02-22 · 4 obs
● 2016-02-22 16:15:14
○ 2016-05-05 13:49:16
○ 2026-07-31 22:58:08
●NSns1.digitalocean.com2016-05-05 → 2026-07-31 · 3 obs
● 2016-05-05 13:49:16
● 2026-07-31 22:58:08
●NSns2.digitalocean.com2016-05-05 → 2026-07-31 · 3 obs
● 2016-05-05 13:49:16
● 2026-07-31 22:58:08
●NSns3.digitalocean.com2016-05-05 → 2026-07-31 · 3 obs
● 2016-05-05 13:49:16
● 2026-07-31 22:58:08
●MXalt1.aspmx.l.google.com2016-05-05 → 2026-07-31 · 2 obs
● 2026-07-31 22:58:08
●MXalt2.aspmx.l.google.com2016-05-05 → 2026-07-31 · 2 obs
● 2026-07-31 22:58:08
●MXalt3.aspmx.l.google.com2016-05-05 → 2026-07-31 · 2 obs
● 2026-07-31 22:58:08
●MXalt4.aspmx.l.google.com2016-05-05 → 2026-07-31 · 2 obs
● 2026-07-31 22:58:08
●MXaspmx.l.google.com2016-05-05 → 2026-07-31 · 2 obs
● 2026-07-31 22:58:08
○A128.199.206.482016-05-05 → 2016-05-05 · 4 obs
● 2016-05-05 13:49:16
○ 2017-01-28 02:46:10
○ 2026-07-31 22:58:08
○A139.59.2.12017-01-28 → 2017-01-28 · 4 obs
● 2017-01-28 02:46:10
○ 2026-02-24 17:50:50
○ 2026-07-31 22:58:08
●A144.126.253.1772026-02-24 → 2026-07-31 · 3 obs
● 2026-02-24 17:50:50
● 2026-07-31 22:58:08
○A207.148.248.1432015-11-14 → 2016-02-22 · 5 obs
● 2015-11-14 04:28:46
● 2016-02-22 16:15:14
○ 2016-05-05 13:49:16
○ 2026-07-31 22:58:08
○A50.63.202.1042015-06-18 → 2015-06-18 · 3 obs
○ 2015-11-14 04:28:46
○ 2026-07-31 22:58:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| classmonitor.com | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | 3 records |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classmonitor.com (unsigned zone)
⏱️ Timing
Total: 229ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.126.253.177 |
| NS | 3 | ns3.digitalocean.com, ns1.digitalocean.com... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 5 | v=spf1 include:zeptomail.net ~all, linkedin-site-verification=4c3dc6e0-a4aa... |
| SOA | 1 | ns1.digitalocean.com hostmaster.classmon |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)
Analysis
Hierarchy
newcrm.classmonitor.com is a subdomain of classmonitor.com.
IP Addresses
classmonitor.com resolves to just one IP address, 144.126.253.177.
classmoniter.com, for instance, is one of the other host names sharing IP numbers with classmonitor.com.
Name Servers
The authoritative name servers for classmonitor.com are ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com — three in total.
The name servers of classmonitor.com overlap at least partially with those of other domains — among them mensajero.pro, btf.sh, jkelsberry.com and two more.
ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com all resolve to exactly two IP numbers apiece: ns1.digitalocean.com → 172.64.52.210 and 2606:4700:52::ac40:34d2; ns2.digitalocean.com → 172.64.53.21 and 2606:4700:5a::ac40:3515; ns3.digitalocean.com → 172.64.49.209 and 2606:4700:52::ac40:31d1.
Mail Servers
classmonitor.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between classmonitor.com and other domains, including payabel.co.uk, ns500699.ns500699.ns500693.ns500734.ns500734.ns500728.ns500699.ns500588.ns500683.ns500683.ns500588.ns500699.ns500693.ns500632.ns500110.dtrkdll.com, ns500698.ns500698.ns500698.ns500758.ns500758.ns500758.ns500736.ns500698.ns500698.ns500735.ns500576.ns500698.ns500576.ns500686.ns500619.ns500576.trackreceptor.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
aspmx.l.google.com directs traffic to 172.253.63.26 and 2607:f8b0:4004:c1b::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.