caoptical.com - dns.ninja
caoptical.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.193.252.163🇸🇪 Bluerange-AS31.193.248.0/21 Bluerange Technologies AB | ||||||
| PTR | c-31-193-252-163.cust.bluerange.net | ||||||
| NS | ns1.bluerange.net ⭐ | ||||||
| A | 62.13.13.15🇸🇪 TELENOR-SE62.13.0.0/17 Telenor Sverige AB | ||||||
| PTR | ns1.bluerange.net | ||||||
| NS | ns2.bluerange.net | ||||||
| A | 31.193.252.138🇸🇪 Bluerange-AS31.193.248.0/21 Bluerange Technologies AB | ||||||
| PTR | ns2.bluerange.net | ||||||
| MX | mail.caoptical.com ⭐ | ||||||
| A | 31.193.252.154🇸🇪 Bluerange-AS31.193.248.0/21 Bluerange Technologies AB | ||||||
| PTR | mx1.bluerange.net | ||||||
| TXT | google-site-verification=Za3bAgQJcQ_4uvMzKrhiFe7tv8eLbO0CtAIDQINlz-A | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.bluerange.netadmin@caoptical.com 2026-04-30 #0 | ||||||
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=1786164054 | ||||||
Previously MX for
caoptical.com |
Subdomains
mail.caoptical.com |
Same first word
caoptical.com |
Similar names
DNS History
8 records (4 active, 4 former)
●NSns1.bluerange.net2026-05-18 → 2026-08-08 · 3 obs
● 2026-05-18 14:08:50
● 2026-08-08 05:05:04
○NSns1.us137.siteground.us2018-09-13 → 2018-09-13 · 3 obs
○ 2026-05-18 14:08:50
○ 2026-08-08 05:05:04
●NSns2.bluerange.net2026-05-18 → 2026-08-08 · 3 obs
● 2026-05-18 14:08:50
● 2026-08-08 05:05:04
○NSns2.us137.siteground.us2018-09-13 → 2018-09-13 · 3 obs
○ 2026-05-18 14:08:50
○ 2026-08-08 05:05:04
○MXcaoptical.com2018-09-13 → 2018-09-13 · 3 obs
○ 2026-05-18 14:08:50
○ 2026-08-08 05:05:04
●MXmail.caoptical.com2026-05-18 → 2026-08-08 · 3 obs
● 2026-05-18 14:08:50
● 2026-08-08 05:05:04
○A146.66.99.1702018-09-13 → 2018-09-13 · 3 obs
○ 2026-05-18 14:08:50
○ 2026-08-08 05:05:04
●A31.193.252.1632026-05-18 → 2026-08-08 · 3 obs
● 2026-05-18 14:08:50
● 2026-08-08 05:05:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| caoptical.com | ns1.bluerange.net, ns2.bluerange.net | - |
✅ Authoritative Response
Server:62.13.13.15
NS records: ns1.bluerange.net, ns2.bluerange.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for caoptical.com (unsigned zone)
⏱️ Timing
Total: 530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.193.252.163 |
| NS | 2 | ns2.bluerange.net, ns1.bluerange.net |
| MX | 1 | mail.caoptical.com (pri: 0) |
| TXT | 2 | google-site-verification=Za3bAgQJcQ_4uvM, v=spf1 a mx ~all |
| SOA | 1 | ns1.bluerange.net admin.caoptical.com |
Analysis
Hierarchy
caoptical.com is a parent domain of mail.caoptical.com.
IP Addresses
caoptical.com points to a single IP number: 31.193.252.163.
Additional host names — www.broderna-anderssons.se, loupedirect.com, c-31-193-252-163.cust.bluerange.net and two others — share IP numbers with caoptical.com.
Name Servers
caoptical.com is delegated to two name servers: ns1.bluerange.net and ns2.bluerange.net.
caoptical.com shares its name server setup with other domains, including hotelkungstradgarden.se, willowfabrics.com, tint360az.com and two others.
ns1.bluerange.net and ns2.bluerange.net each resolve to one IP number: ns1.bluerange.net points to 62.13.13.15 and ns2.bluerange.net points to 31.193.252.138.
Mail Servers
caoptical.com has one mail server: mail.caoptical.com.
mail.caoptical.com resolves to a single IP number: 31.193.252.154.