stackoptimizer.com - robtex.com
stackoptimizer.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns4.vmware.com ⚠️ Not in zone NS records | ||||||
| A | 208.91.2.146 | ||||||
| PTR | ns4.vmware.com | ||||||
| NS | osdc-ext-dns-1.vmware.com ⚠️ Not in zone NS records | ||||||
| A | 208.91.2.59 | ||||||
| PTR | osdc-ext-dns-1.vmware.com | ||||||
| NS | sc9-ext-dns-1.vmware.com ⚠️ Not in zone NS records | ||||||
| A | 208.91.0.24 | ||||||
| PTR | sc9-ext-dns-1.vmware.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=1776106422 | ||||||
Same first word
stackoptimizer.com |
DNS History
3 records (3 active, 0 former)
●NSns4.vmware.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 03:08:18
● 2026-04-13 18:56:30
● 2026-04-13 18:56:30
●NSosdc-ext-dns-1.vmware.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 03:08:18
● 2026-04-13 18:56:30
● 2026-04-13 18:56:30
●NSsc9-ext-dns-1.vmware.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 03:08:18
● 2026-04-13 18:56:30
● 2026-04-13 18:56:30
🔍 DNS Trace
Analysis
Name Servers
stackoptimizer.com is delegated to three name servers: ns4.vmware.com, osdc-ext-dns-1.vmware.com and sc9-ext-dns-1.vmware.com.
stackoptimizer.com at least partially shares its name servers with other domains, for instance provisioneer.com, configurationintelligence.org, microcloudfoundry.com, vmware.us and vmware.biz.
Host names with one IP number:
ns4.vmware.com points to: 208.91.2.146.
osdc-ext-dns-1.vmware.com points to: 208.91.2.59.
sc9-ext-dns-1.vmware.com points to: 208.91.0.24.