sharpstring.com - robtex.com
sharpstring.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1628.awsdns-11.co.uk ⭐ | ||||||
| A | 2600:9000:5306:5c00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1628.awsdns-11.co.uk | ||||||
| A | 205.251.198.92🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1628.awsdns-11.co.uk | ||||||
| NS | ns-1473.awsdns-56.org | ||||||
| A | 2600:9000:5305:c100::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1473.awsdns-56.org | ||||||
| A | 205.251.197.193🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1473.awsdns-56.org | ||||||
| NS | ns-637.awsdns-15.net | ||||||
| A | 2600:9000:5302:7d00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-637.awsdns-15.net | ||||||
| A | 205.251.194.125🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-637.awsdns-15.net | ||||||
| NS | ns-73.awsdns-09.com | ||||||
| A | 2600:9000:5300:4900::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-73.awsdns-09.com | ||||||
| A | 205.251.192.73🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-73.awsdns-09.com | ||||||
| SOA | ns-1628.awsdns-11.co.ukawsdns-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=1788328985 | ||||||
Same first word
sharpstring.com |
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns-1473.awsdns-56.org2018-06-04 → 2026-09-02 · 2 obs
● 2026-09-02 06:04:54
●NSns-1628.awsdns-11.co.uk2018-06-04 → 2026-09-02 · 2 obs
● 2026-09-02 06:04:54
●NSns-637.awsdns-15.net2018-06-04 → 2026-09-02 · 2 obs
● 2026-09-02 06:04:54
●NSns-73.awsdns-09.com2018-06-04 → 2026-09-02 · 2 obs
● 2026-09-02 06:04:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sharpstring.com | ns-73.awsdns-09.com, ns-637.awsdns-15.net, ns-1628.awsdns-11.co.uk, ns-1473.awsdns-56.org | 2 records |
✅ Authoritative Response
Server:205.251.194.125
NS records: ns-73.awsdns-09.com, ns-637.awsdns-15.net, ns-1628.awsdns-11.co.uk, ns-1473.awsdns-56.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sharpstring.com (unsigned zone)
⏱️ Timing
Total: 530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1473.awsdns-56.org, ns-1628.awsdns-11.co.uk... |
| SOA | 1 | ns-1628.awsdns-11.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-73.awsdns-09.com, ns-73.awsdns-09.com)
Analysis
Name Servers
The NS records for sharpstring.com point to four name servers: ns-73.awsdns-09.com, ns-637.awsdns-15.net, ns-1473.awsdns-56.org and ns-1628.awsdns-11.co.uk.
There is at least partial name server overlap between sharpstring.com and other domains — 161.230.18.in-addr.arpa, mamacle.com, goexpo.co.kr and two more among them.
These name servers tend to appear in combination with the name servers ns1-24-sa-east-1.ec2-rdns.amazonaws.com, ns2-24-sa-east-1.ec2-rdns.amazonaws.com, ns3-24-sa-east-1.ec2-rdns.amazonaws.com and ns4-24-sa-east-1.ec2-rdns.amazonaws.com.
All four hostnames — ns-73.awsdns-09.com, ns-637.awsdns-15.net, ns-1473.awsdns-56.org and ns-1628.awsdns-11.co.uk — resolve to two IP numbers apiece: ns-73.awsdns-09.com to 205.251.192.73 and 2600:9000:5300:4900::1; ns-637.awsdns-15.net to 205.251.194.125 and 2600:9000:5302:7d00::1; ns-1473.awsdns-56.org to 205.251.197.193 and 2600:9000:5305:c100::1; ns-1628.awsdns-11.co.uk to 205.251.198.92 and 2600:9000:5306:5c00::1.