optimumca.com - dns.ninja
optimumca.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=1786764384 | ||||||
Subdomains
mail.optimumca.com |
Same first word
optimumca.com |
DNS History
14 records (6 active, 8 former)
●NSns1.slicehost.net2015-08-09 → 2026-08-15 · 2 obs
● 2026-08-15 03:47:22
●NSns2.slicehost.net2015-08-09 → 2026-08-15 · 2 obs
● 2026-08-15 03:47:22
●NSns3.slicehost.net2015-08-09 → 2026-08-15 · 2 obs
● 2026-08-15 03:47:22
○MXalt1.aspmx.l.google.com2015-08-09 → 2017-03-28 · 4 obs
● 2017-03-28 21:13:46
○ 2017-10-23 13:34:32
○ 2026-08-15 03:47:22
○MXalt2.aspmx.l.google.com2015-08-09 → 2017-03-28 · 4 obs
● 2017-03-28 21:13:46
○ 2017-10-23 13:34:32
○ 2026-08-15 03:47:22
○MXaspmx.l.google.com.optimumca.com2015-08-09 → 2017-03-28 · 4 obs
● 2017-03-28 21:13:46
○ 2017-10-23 13:34:32
○ 2026-08-15 03:47:22
○MXaspmx2.googlemail.com2015-08-09 → 2017-03-28 · 4 obs
● 2017-03-28 21:13:46
○ 2017-10-23 13:34:32
○ 2026-08-15 03:47:22
○MXaspmx3.googlemail.com2015-08-09 → 2017-03-28 · 4 obs
● 2017-03-28 21:13:46
○ 2017-10-23 13:34:32
○ 2026-08-15 03:47:22
●MXmx1-us2.ppe-hosted.com2020-09-23 → 2026-08-15 · 3 obs
● 2020-09-23 16:34:52
● 2026-08-15 03:47:22
○MXmx12-01.mycloudmailbox.com2017-10-23 → 2020-02-11 · 5 obs
● 2017-10-23 13:34:32
● 2020-02-11 16:00:42
○ 2020-09-23 16:34:52
○ 2026-08-15 03:47:22
○MXmx12-02.mycloudmailbox.com2017-10-23 → 2020-02-11 · 5 obs
● 2017-10-23 13:34:32
● 2020-02-11 16:00:42
○ 2020-09-23 16:34:52
○ 2026-08-15 03:47:22
●MXmx2-us2.ppe-hosted.com2020-09-23 → 2026-08-15 · 3 obs
● 2020-09-23 16:34:52
● 2026-08-15 03:47:22
●A13.248.243.52026-02-19 → 2026-08-15 · 3 obs
● 2026-02-19 08:44:28
● 2026-08-15 03:47:22
○A174.143.171.1582015-08-09 → 2020-09-23 · 4 obs
● 2020-09-23 16:34:52
○ 2026-02-19 08:44:28
○ 2026-08-15 03:47:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optimumca.com | ns1.slicehost.net, ns2.slicehost.net, ns3.slicehost.net | - |
✅ Authoritative Response
Server:65.61.188.4
NS records: ns1.slicehost.net, ns2.slicehost.net, ns3.slicehost.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimumca.com (unsigned zone)
⏱️ Timing
Total: 527ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.248.243.5 |
| NS | 3 | ns1.slicehost.net, ns2.slicehost.net... |
| MX | 2 | mx2-us2.ppe-hosted.com (pri: 10), mx1-us2.ppe-hosted.com (pri: 0) |
| TXT | 4 | cisco-ci-domain-verification=63d071bf1e6, v=spf1 a:dispatch-us.ppe-hosted.com ip4:... |
| SOA | 1 | ns1.slicehost.net ipadmin.stabletransit. |
Analysis
Hierarchy
The domain mail.optimumca.com falls under the parent optimumca.com.
IP Addresses
optimumca.com resolves to one IP address: 13.248.243.5.
tenoncapital.com, luckyshouse.com, liautoexpo.com and two other host names share IP numbers with optimumca.com.
Name Servers
Three name servers are authoritative for optimumca.com: ns1.slicehost.net, ns2.slicehost.net and ns3.slicehost.net.
At least some of optimumca.com's name servers are shared with other domains, for example thinkspring.net, scootb.org, ahtenindustries.com and two more.
These name servers tend to be deployed in combination with the name servers dns1.stabletransit.com and dns2.stabletransit.com.
Three hostnames, each with one IP address: ns1.slicehost.net points to 69.20.95.4, ns2.slicehost.net points to 65.61.188.4 and ns3.slicehost.net points to 69.20.95.4. Note that ns1.slicehost.net and ns3.slicehost.net share the same IP.
These two host names — ns1.slicehost.net and ns3.slicehost.net — each point to 69.20.95.4 IP addresses.
Mail Servers
Mail for optimumca.com is handled by two mail servers — mx1-us2.ppe-hosted.com and mx2-us2.ppe-hosted.com.
optimumca.com uses an identical mail server configuration to several other domains — among them rossdownslaw.com, jmjassoc.com, kltrust.com and two more.
optimumca.com has at least partial mail server overlap with other domains such as itechra.net, harrisenv.com, amadamiyachiunitek.com and two more.
It is common to find these mail servers used together with the mail servers mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.
Each of the two host names carries two IP addresses: mx1-us2.ppe-hosted.com points to 67.231.154.162 and 148.163.129.50, and mx2-us2.ppe-hosted.com points to 67.231.154.163 and 148.163.129.51.