cs75.net - robtex.com
cs75.net
net
| 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=1771291465 | ||||||
Subdomains
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
○NSns1.cs75.net2008-03-06 → 2008-03-06 · 3 obs
○ 2015-08-06 09:25:58
○ 2026-03-09 08:28:32
○NSns2.cs75.net2008-03-06 → 2008-03-06 · 3 obs
○ 2015-08-06 09:25:58
○ 2026-03-09 08:28:32
●NSns39.domaincontrol.com2015-08-06 → 2026-03-09 · 3 obs
● 2015-08-06 09:25:58
● 2026-03-09 08:28:32
●NSns40.domaincontrol.com2015-08-06 → 2026-03-09 · 3 obs
● 2015-08-06 09:25:58
● 2026-03-09 08:28:32
●MXalt1.aspmx.l.google.com2015-08-06 → 2026-03-09 · 3 obs
● 2015-08-06 09:25:58
● 2026-03-09 08:28:32
●MXalt2.aspmx.l.google.com2015-08-06 → 2026-03-09 · 3 obs
● 2015-08-06 09:25:58
● 2026-03-09 08:28:32
●MXaspmx.l.google.com2015-08-06 → 2026-03-09 · 3 obs
● 2015-08-06 09:25:58
● 2026-03-09 08:28:32
●MXaspmx2.googlemail.com2015-08-06 → 2026-03-09 · 3 obs
● 2015-08-06 09:25:58
● 2026-03-09 08:28:32
●MXaspmx3.googlemail.com2015-08-06 → 2026-03-09 · 3 obs
● 2015-08-06 09:25:58
● 2026-03-09 08:28:32
○MXmail.cs75.net2008-03-06 → 2008-03-06 · 3 obs
○ 2015-08-06 09:25:58
○ 2026-03-09 08:28:32
●A140.247.63.2342015-08-06 → 2026-03-09 · 3 obs
● 2015-08-06 09:25:58
● 2026-03-09 08:28:32
○A64.131.79.1312008-03-06 → 2008-03-06 · 3 obs
○ 2015-08-06 09:25:58
○ 2026-03-09 08:28:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cs75.net | ns39.domaincontrol.com, ns40.domaincontrol.com | - |
✅ Authoritative Response
Server: 173.201.77.20
NS records: ns39.domaincontrol.com, ns40.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cs75.net (unsigned zone)
⏱️ Timing
Total: 436ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.247.63.234 |
| NS | 2 | ns39.domaincontrol.com, ns40.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | ns39.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
cs75.net is a parent of cloud.cs75.net and cdn.cs75.net.
IP Addresses
cs75.net resolves to one IP number: 140.247.63.234.
Other host names, for instance dhcp-140-247-63-234.fas.harvard.edu, cs76.net and computerscience1.net share IP numbers with cs75.net.
Name Servers
cs75.net is delegated to two name servers ns39.domaincontrol.com and ns40.domaincontrol.com.
cs75.net shares the same name server setup as other domains, for instance davepridemore.com, advancedin-homecare.com, wagesorwealth.com, ianyc.com and vispar.net.
Host names with two IP numbers:
The host name ns39.domaincontrol.com points to 2603:5:21d1::14 and 97.74.109.20; the host name ns40.domaincontrol.com points to 2603:5:22d1::14 and 173.201.77.20.
Mail Servers
cs75.net 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.
cs75.net shares some mail servers with other domains, at least partially, for instance ncwoodworker.net, ns500731.ns500671.ns500754.ns500704.ns500705.ns500671.ns500678.ns500649.ns500649.ns500666.tenderladiesbz.com, ns500759.ns500759.ns500698.ns500736.ns500736.ns500698.ns500576.ns500698.ns500698.ns500652.ns500576.ns500576.trackreceptor.com, ns500724.ns500737.ns500737.ns500724.ns500737.ns500599.ns500724.ns500599.ns500697.ns500599.ns500583.ns500682.ns500599.yummyflingsfinder.com and ns500731.ns500731.ns500671.ns500731.ns500742.ns500754.ns500742.ns500731.ns500671.ns500704.ns500704.ns500688.ns500671.ns500671.ns500671.lusty(0x736c7574)z.com.
these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers
aspmx2.googlemail.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27
aspmx3.googlemail.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27
aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26
Host names that point to 2607:f8b0:4003:c30::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com
Host names that point to 2607:f8b0:4001:c70::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com