bioi-rad.com - robtex.com
bioi-rad.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-165.awsdns-20.com ⭐ | ||||||
| A | 2600:9000:5300:a500::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-165.awsdns-20.com | ||||||
| A | 205.251.192.165🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-165.awsdns-20.com | ||||||
| NS | ns-1402.awsdns-47.org | ||||||
| A | 2600:9000:5305:7a00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1402.awsdns-47.org | ||||||
| A | 205.251.197.122🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1402.awsdns-47.org | ||||||
| NS | ns-1857.awsdns-40.co.uk | ||||||
| A | 2600:9000:5307:4100::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1857.awsdns-40.co.uk | ||||||
| A | 205.251.199.65🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1857.awsdns-40.co.uk | ||||||
| NS | ns-843.awsdns-41.net | ||||||
| A | 2600:9000:5303:4b00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-843.awsdns-41.net | ||||||
| A | 205.251.195.75🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-843.awsdns-41.net | ||||||
| SOA | ns-165.awsdns-20.comawsdns-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=1777095606 | ||||||
Same first word
bioi-rad.com |
DNS History
4 records (4 active, 0 former)
●NSns-1402.awsdns-47.org2026-03-04 → 2026-04-25 · 2 obs
● 2026-04-25 06:03:30
●NSns-165.awsdns-20.com2026-03-04 → 2026-04-25 · 2 obs
● 2026-04-25 06:03:30
●NSns-1857.awsdns-40.co.uk2026-03-04 → 2026-04-25 · 2 obs
● 2026-04-25 06:03:30
●NSns-843.awsdns-41.net2026-03-04 → 2026-04-25 · 2 obs
● 2026-04-25 06:03:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bioi-rad.com | ns-165.awsdns-20.com, ns-843.awsdns-41.net, ns-1857.awsdns-40.co.uk, ns-1402.awsdns-47.org | 2 records |
✅ Authoritative Response
Server:205.251.195.75
NS records: ns-165.awsdns-20.com, ns-843.awsdns-41.net, ns-1857.awsdns-40.co.uk, ns-1402.awsdns-47.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bioi-rad.com (unsigned zone)
⏱️ Timing
Total: 871ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1402.awsdns-47.org, ns-165.awsdns-20.com... |
| SOA | 1 | ns-165.awsdns-20.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-165.awsdns-20.com, ns-165.awsdns-20.com)
Analysis
Name Servers
bioi-rad.com is delegated to four name servers: ns-165.awsdns-20.com, ns-843.awsdns-41.net, ns-1402.awsdns-47.org and ns-1857.awsdns-40.co.uk.
At least part of the name servers for bioi-rad.com are shared with other domains, for instance udecide.com, homeletic.com, aztecaguerrero.com, escuelaoscar.com and biggreenegg.nl.
Host names with two IP numbers:
ns-165.awsdns-20.com points to: 2600:9000:5300:a500::1 and 205.251.192.165
ns-843.awsdns-41.net points to: 2600:9000:5303:4b00::1 and 205.251.195.75
ns-1402.awsdns-47.org points to: 2600:9000:5305:7a00::1 and 205.251.197.122
ns-1857.awsdns-40.co.uk points to: 2600:9000:5307:4100::1 and 205.251.199.65