opticri.com - robtex.com
opticri.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.220.239.11🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-220-239-11.compute-1.amazonaws.com | ||||||
| NS | ns-557.awsdns-05.net ⭐ | ||||||
| A | 2600:9000:5302:2d00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-557.awsdns-05.net | ||||||
| A | 205.251.194.45🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-557.awsdns-05.net | ||||||
| NS | ns-1331.awsdns-38.org | ||||||
| A | 2600:9000:5305:3300::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1331.awsdns-38.org | ||||||
| A | 205.251.197.51🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1331.awsdns-38.org | ||||||
| NS | ns-1610.awsdns-09.co.uk | ||||||
| A | 2600:9000:5306:4a00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1610.awsdns-09.co.uk | ||||||
| A | 205.251.198.74🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1610.awsdns-09.co.uk | ||||||
| NS | ns-277.awsdns-34.com | ||||||
| A | 2600:9000:5301:1500::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-277.awsdns-34.com | ||||||
| A | 205.251.193.21🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-277.awsdns-34.com | ||||||
| SOA | ns-557.awsdns-05.netawsdns-hostmaster@amazon.com serial=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 | ||||||
Similar names
DNS History
6 records (5 active, 1 former)
●NSns-1331.awsdns-38.org2018-12-13 → 2026-03-05 · 2 obs
● 2026-03-05 08:48:42
●NSns-1610.awsdns-09.co.uk2018-12-13 → 2026-03-05 · 2 obs
● 2026-03-05 08:48:42
●NSns-277.awsdns-34.com2018-12-13 → 2026-03-05 · 2 obs
● 2026-03-05 08:48:42
●NSns-557.awsdns-05.net2018-12-13 → 2026-03-05 · 2 obs
● 2026-03-05 08:48:42
●A3.220.239.112026-03-05 → 2026-03-05 · 2 obs
● 2026-03-05 08:48:42
○A3.81.128.1382018-12-13 → 2018-12-13 · 2 obs
○ 2026-03-05 08:48:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| opticri.com | ns-557.awsdns-05.net, ns-277.awsdns-34.com, ns-1610.awsdns-09.co.uk, ns-1331.awsdns-38.org | 1 record |
✅ Authoritative Response
Server: 205.251.194.45
NS records: ns-557.awsdns-05.net, ns-277.awsdns-34.com, ns-1610.awsdns-09.co.uk, ns-1331.awsdns-38.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opticri.com (unsigned zone)
⏱️ Timing
Total: 231ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.220.239.11 |
| NS | 4 | ns-1331.awsdns-38.org, ns-1610.awsdns-09.co.uk... |
| SOA | 1 | ns-557.awsdns-05.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-277.awsdns-34.com)
Analysis
IP Addresses
opticri.com points to IP number 3.220.239.11.
Name Servers
opticri.com is delegated to four name servers: ns-277.awsdns-34.com, ns-557.awsdns-05.net, ns-1331.awsdns-38.org and ns-1610.awsdns-09.co.uk.
opticri.com shares name servers with other domains at least partially, for example manualsonline.com, serverlessbook.co, organizacionwilson.com, download-free-games.com and primevideo.support.
these name servers are commonly paired with ns-673.awsdns-20.net, ns-1246.awsdns-27.org, ns-1641.awsdns-13.co.uk, a.ns.neolane.net, b.ns.neolane.net, c.ns.neolane.net and d.ns.neolane.net.
Host names with two IP numbers:
ns-277.awsdns-34.com points to: 2600:9000:5301:1500::1 and 205.251.193.21
ns-557.awsdns-05.net points to: 2600:9000:5302:2d00::1 and 205.251.194.45
ns-1331.awsdns-38.org points to: 2600:9000:5305:3300::1 and 205.251.197.51
ns-1610.awsdns-09.co.uk points to: 2600:9000:5306:4a00::1 and 205.251.198.74