optcool.com - dns.ninja
optcool.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=1785455352 | ||||||
Subdomains
www.optcool.com |
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●MXalt1.aspmx.l.google.com2015-12-16 → 2026-07-31 · 5 obs
● 2026-05-08 12:24:50
○ 2026-05-12 13:17:32
● 2026-05-15 19:38:10
● 2026-07-31 00:13:34
●MXalt2.aspmx.l.google.com2015-12-16 → 2026-07-31 · 5 obs
● 2026-05-08 12:24:50
○ 2026-05-12 13:17:32
● 2026-05-15 19:38:10
● 2026-07-31 00:13:34
●MXalt3.aspmx.l.google.com2015-12-16 → 2026-07-31 · 5 obs
● 2026-05-08 12:24:50
○ 2026-05-12 13:17:32
● 2026-05-15 19:38:10
● 2026-07-31 00:13:34
●MXalt4.aspmx.l.google.com2015-12-16 → 2026-07-31 · 5 obs
● 2026-05-08 12:24:50
○ 2026-05-12 13:17:32
● 2026-05-15 19:38:10
● 2026-07-31 00:13:34
●MXaspmx.l.google.com2015-12-16 → 2026-07-31 · 5 obs
● 2026-05-08 12:24:50
○ 2026-05-12 13:17:32
● 2026-05-15 19:38:10
● 2026-07-31 00:13:34
●A23.227.38.322017-08-20 → 2026-07-31 · 2 obs
● 2026-07-31 00:13:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optcool.com | ns1.whois.com, ns2.whois.com, ns3.whois.com, ns4.whois.com | 16 records |
✅ Authoritative Response
Server:162.251.82.124
NS records: ns1.whois.com, ns2.whois.com, ns3.whois.com, ns4.whois.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optcool.com (unsigned zone)
⏱️ Timing
Total: 706ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.227.38.32 |
| NS | 4 | ns4.whois.com, ns3.whois.com... |
| MX | 5 | alt3.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | v=spf1 redirect=_spf.mailhostbox.com, google-site-verification=6hlrZjayX5Lrc3g |
| SOA | 1 | ns1.whois.com suenkaiyee.gmail.com |
📌 Glue Records Collected
Total: 16
Out-of-bailiwick: 16 (ns1.whois.com, ns1.whois.com, ns1.whois.com...)
Analysis
Hierarchy
www.optcool.com is delegated beneath optcool.com.
IP Addresses
optcool.com points to a single IP number: 23.227.38.32.
Additional host names — 3redrovers.com, carjoice.com, efamol.com and two others — share IP numbers with optcool.com.
Name Servers
optcool.com has four authoritative name servers: ns1.whois.com, ns2.whois.com, ns3.whois.com and ns4.whois.com.
There is at least partial name server overlap between optcool.com and other domains — dowfm.com, mhedepot.com, mypacsadvisor.net and two more among them.
These name servers are routinely deployed together with the name servers 208.91.197.91.
The host names ns1.whois.com, ns2.whois.com, ns3.whois.com and ns4.whois.com each direct to four IP numbers: ns1.whois.com points to 162.251.82.122, 162.251.82.123, 162.251.82.250 and 162.251.82.251, ns2.whois.com directs to 162.251.82.120, 162.251.82.121, 162.251.82.248 and 162.251.82.249, ns3.whois.com points to 162.251.82.118, 162.251.82.119, 162.251.82.246 and 162.251.82.247 and ns4.whois.com directs to 162.251.82.124, 162.251.82.125, 162.251.82.252 and 162.251.82.253.
Mail Servers
Five mail servers handle optcool.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
optcool.com shares mail servers — at least in part — with other domains, including nocodestartup.io, benjacob.in, ns500758.ns500759.ns500758.ns500759.ns500759.ns500735.ns500735.ns500698.ns500576.ns500698.ns500708.ns500576.ns500686.ns500652.ns500619.trackreceptor.com and two others.
These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.
Host names with two IP numbers:
aspmx.l.google.com maps to two IP addresses — 192.178.155.26 and 2607:f8b0:4004:c25::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com maps to two IP addresses — 74.125.193.26 and 2a00:1450:400b:c01::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1a.