best103.com - robtex.com
best103.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-357.awsdns-44.com ⭐ | ||||||
| A | 2600:9000:5301:6500::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-357.awsdns-44.com | ||||||
| A | 205.251.193.101🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-357.awsdns-44.com | ||||||
| NS | ns-1058.awsdns-04.org | ||||||
| A | 2600:9000:5304:2200::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1058.awsdns-04.org | ||||||
| A | 205.251.196.34🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1058.awsdns-04.org | ||||||
| NS | ns-1739.awsdns-25.co.uk | ||||||
| A | 2600:9000:5306:cb00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1739.awsdns-25.co.uk | ||||||
| A | 205.251.198.203🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1739.awsdns-25.co.uk | ||||||
| NS | ns-879.awsdns-45.net | ||||||
| A | 2600:9000:5303:6f00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-879.awsdns-45.net | ||||||
| A | 205.251.195.111🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-879.awsdns-45.net | ||||||
| SOA | ns-357.awsdns-44.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=1771291435 | ||||||
Same first word
best103.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1058.awsdns-04.org2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 11:58:18
●NSns-1739.awsdns-25.co.uk2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 11:58:18
●NSns-357.awsdns-44.com2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 11:58:18
●NSns-879.awsdns-45.net2026-03-16 → 2026-03-23 · 2 obs
● 2026-03-23 11:58:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net... | - |
| best103.com | ns-357.awsdns-44.com, ns-879.awsdns-45.net, ns-1058.awsdns-04.org, ns-1739.awsdns-25.co.uk | 1 record |
✅ Authoritative Response
Server:205.251.196.34
NS records: ns-357.awsdns-44.com, ns-879.awsdns-45.net, ns-1058.awsdns-04.org, ns-1739.awsdns-25.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for best103.com (unsigned zone)
⏱️ Timing
Total: 314ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1058.awsdns-04.org, ns-1739.awsdns-25.co.uk... |
| SOA | 1 | ns-357.awsdns-44.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-357.awsdns-44.com)
Analysis
Name Servers
best103.com is delegated to four name servers: ns-357.awsdns-44.com, ns-879.awsdns-45.net, ns-1058.awsdns-04.org and ns-1739.awsdns-25.co.uk.
best103.com at least partially shares name servers with other domains, for instance d3k71juenjpjd3.cloudfront.net, zenjomid.org, dreamws.co.jp, bobitresearchservices.com and actmhcn.org.au.
These name servers are commonly used with ns-375.awsdns-46.com, ns-1017.awsdns-63.net and ns-1030.awsdns-00.org.
Host names with two IP numbers:
ns-357.awsdns-44.com points to 2600:9000:5301:6500::1 and 205.251.193.101; ns-879.awsdns-45.net points to 2600:9000:5303:6f00::1 and 205.251.195.111; ns-1058.awsdns-04.org points to 2600:9000:5304:2200::1 and 205.251.196.34; ns-1739.awsdns-25.co.uk points to 2600:9000:5306:cb00::1 and 205.251.198.203.