optimizationworld.com - dns.ninja
optimizationworld.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.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=1781635175 | ||||||
Subdomains
mail.optimizationworld.com |
Same first word
optimizationworld.com |
DNS History
5 records (3 active, 2 former)
●NSns.buydomains.com2015-05-24 → 2026-06-16 · 2 obs
● 2026-06-16 19:05:56
●NSthis-domain-for-sale.com2026-02-15 → 2026-06-16 · 3 obs
● 2026-02-15 04:03:28
● 2026-06-16 19:05:56
○A141.8.225.1242016-01-15 → 2016-04-21 · 5 obs
● 2016-01-15 14:56:52
● 2016-04-21 22:09:38
○ 2016-12-07 12:39:56
○ 2026-06-16 19:05:56
●A207.148.248.1432016-12-07 → 2026-06-16 · 3 obs
● 2016-12-07 12:39:56
● 2026-06-16 19:05:56
○A50.63.202.1042015-05-24 → 2015-10-29 · 4 obs
● 2015-10-29 10:54:48
○ 2016-01-15 14:56:52
○ 2026-06-16 19:05:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optimizationworld.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.20.26.87
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimizationworld.com (unsigned zone)
⏱️ Timing
Total: 198ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
Hierarchy
optimizationworld.com is the parent zone for mail.optimizationworld.com.
IP Addresses
optimizationworld.com has exactly one IP address — 207.148.248.143.
barterprices.com, timelineconstruction.com, icelandgolf.com plus two other host names have IP numbers in common with optimizationworld.com.
Name Servers
Two name servers handle the delegation for optimizationworld.com: this-domain-for-sale.com and ns.buydomains.com.
The name server configuration of optimizationworld.com is shared with other domains, for instance studieslab.com, dalteo.com, stylishbargains.com and two others.
optimizationworld.com partially shares its name servers with domains like nutritionalfoodie.com and cicsac.com.
this-domain-for-sale.com directs to 52.20.26.87, as does ns.buydomains.com — both hostnames resolve to that one IP address.
this-domain-for-sale.com along with ns.buydomains.com each resolve to 52.20.26.87 IP addresses.