improvetest.com - robtex.com
improvetest.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1231.awsdns-25.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5304:cf00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1231.awsdns-25.org | ||||||
| A | 205.251.196.207🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1231.awsdns-25.org | ||||||
| NS | ns-2041.awsdns-63.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:f900::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2041.awsdns-63.co.uk | ||||||
| A | 205.251.199.249🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-2041.awsdns-63.co.uk | ||||||
| NS | ns-763.awsdns-31.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5302:fb00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-763.awsdns-31.net | ||||||
| A | 205.251.194.251🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-763.awsdns-31.net | ||||||
| NS | ns-92.awsdns-11.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5300:5c00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-92.awsdns-11.com | ||||||
| A | 205.251.192.92🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-92.awsdns-11.com | ||||||
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
improvetest.com |
DNS History
4 records (4 active, 0 former)
●NSns-1231.awsdns-25.org2026-03-06 → 2026-03-23 · 2 obs
● 2026-03-23 10:51:06
●NSns-2041.awsdns-63.co.uk2026-03-06 → 2026-03-23 · 2 obs
● 2026-03-23 10:51:06
●NSns-763.awsdns-31.net2026-03-06 → 2026-03-23 · 2 obs
● 2026-03-23 10:51:06
●NSns-92.awsdns-11.com2026-03-06 → 2026-03-23 · 2 obs
● 2026-03-23 10:51:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net... | - |
| improvetest.com | ns-92.awsdns-11.com, ns-763.awsdns-31.net, ns-1231.awsdns-25.org, ns-2041.awsdns-63.co.uk | 1 record |
✅ Authoritative Response
Server:205.251.192.92
NS records: ns-92.awsdns-11.com, ns-763.awsdns-31.net, ns-1231.awsdns-25.org, ns-2041.awsdns-63.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for improvetest.com (unsigned zone)
⏱️ Timing
Total: 365ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-92.awsdns-11.com)
Analysis
Name Servers
improvetest.com's delegation is handled by four name servers: ns-92.awsdns-11.com, ns-763.awsdns-31.net, ns-1231.awsdns-25.org and ns-2041.awsdns-63.co.uk.
improvetest.com partially shares name servers with other domains; examples include realpha.com, hanb.co.kr, legalcommunity.it, vernadee.com and xn--dagn-dpaa.be.
These name servers are commonly used alongside ns-531.awsdns-02.net, sdns3.ultradns.biz, sdns3.ultradns.com, sdns3.ultradns.net, ns-1499.awsdns-59.org, sdns3.ultradns.org, ns-1567.awsdns-03.co.uk, ns-243.awsdns-30.com, ns-1725.awsdns-23.co.uk and ns-330.awsdns-41.com.
Host names with two IPs:
ns-92.awsdns-11.com points to 2600:9000:5300:5c00::1 and 205.251.192.92
ns-763.awsdns-31.net points to 2600:9000:5302:fb00::1 and 205.251.194.251
ns-1231.awsdns-25.org points to 2600:9000:5304:cf00::1 and 205.251.196.207
ns-2041.awsdns-63.co.uk points to 2600:9000:5307:f900::1 and 205.251.199.249