optimalcities.com - robtex.com
optimalcities.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 68.66.248.11🇺🇸 A2HOSTING68.66.240.0/20 A2 Hosting, Inc. | ||||||
| PTR | nl1-ss10.a2hosting.com | ||||||
| NS | ns1.a2hosting.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.a2hosting.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.a2hosting.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.a2hosting.com | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | mail.optimalcities.com ⭐ | ||||||
| A | 68.66.248.11🇺🇸 A2HOSTING68.66.240.0/20 A2 Hosting, Inc. | ||||||
| PTR | nl1-ss10.a2hosting.com | ||||||
| TXT | google-site-verification=hmX9HStQBZJaddhLlJNT_pPMr1Dder4MMfrOvWrwiNg | ||||||
| TXT | v=spf1 +a +mx +ip4:68.66.248.11 include:spf.a2hosting.com ~all | ||||||
| SOA | ns1.a2hosting.comroot@nl1-ss10.a2hosting.com 2026-02-22 #1 | ||||||
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=1771291435 | ||||||
Same first word
optimalcities.com |
DNS History
6 records (6 active, 0 former)
●NSns1.a2hosting.com2026-03-07 → 2026-03-23 · 2 obs
● 2026-03-23 21:29:18
●NSns2.a2hosting.com2026-03-07 → 2026-03-23 · 2 obs
● 2026-03-23 21:29:18
●NSns3.a2hosting.com2026-03-07 → 2026-03-23 · 2 obs
● 2026-03-23 21:29:18
●NSns4.a2hosting.com2026-03-07 → 2026-03-23 · 2 obs
● 2026-03-23 21:29:18
●MXmail.optimalcities.com2026-03-07 → 2026-03-23 · 2 obs
● 2026-03-23 21:29:18
●A68.66.248.112026-03-07 → 2026-03-23 · 2 obs
● 2026-03-23 21:29:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| optimalcities.com | ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com | 4 records |
✅ Authoritative Response
Server:13.248.158.180
NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimalcities.com (unsigned zone)
⏱️ Timing
Total: 302ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 68.66.248.11 |
| NS | 4 | ns1.a2hosting.com, ns2.a2hosting.com... |
| MX | 1 | mail.optimalcities.com (pri: 0) |
| TXT | 2 | google-site-verification=hmX9HStQBZJaddh, v=spf1 +a +mx +ip4:68.66.248.11 include: |
| SOA | 1 | ns1.a2hosting.com root.nl1-ss10.a2hostin |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com...)
Analysis
IP Addresses
optimalcities.com points to a single IP: 68.66.248.11.
Other host names, for instance nl1-ss10.a2hosting.com, trolleybuses.org, festivalofbritain.woodhousemoor.com, mail.arhantayoga.org and elerias.com share IP numbers with optimalcities.com.
Name Servers
optimalcities.com's delegation is handled by four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
optimalcities.com partially shares name servers with other domains; examples include robmullinsmarketing.com, southbayopencarry.com, generalfreight.com, versorbooks.com and sgbikecity.com.
Host names with one IP:
ns1.a2hosting.com points to 13.248.158.180
ns2.a2hosting.com points to 75.2.118.134
ns3.a2hosting.com points to 76.223.26.245
ns4.a2hosting.com points to 99.83.147.209
Mail Servers
optimalcities.com is handled by a single mail server, mail.optimalcities.com.
mail.optimalcities.com points to a single IP: 68.66.248.11.