www.improvementbd.com - robtex.com

www.improvementbd.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:20e3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9c51🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.227Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.156.81🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.227, 172.67.156.81
IPv6 hints2606:4700:3033::6815:20e3, 2606:4700:3033::ac43:9c51
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com

improvementbd.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:20e3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9c51🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.227Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.156.81🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NStoby.ns.cloudflare.com ⭐
NSzelda.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.227, 172.67.156.81
IPv6 hints2606:4700:3033::6815:20e3, 2606:4700:3033::ac43:9c51
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOAtoby.ns.cloudflare.comdns@cloudflare.com serial=2408714847
⚠️ On DNS blocklist: tif

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DNS History

8 records (4 active, 4 former)

202120222023202420252026A104.21.32.227172.67.156.812606:4700:3033::6815:20e32606:4700:3033::ac43:9c51216.198.79.1216.198.79.6564.29.17.1CNAMEimprovementbd.com
●A104.21.32.2272026-07-16 → 2026-07-19 · 3 obs
○ 2026-05-29 01:58:20
● 2026-07-16 06:41:38
● 2026-07-19 22:39:56
●A172.67.156.812026-07-16 → 2026-07-19 · 3 obs
○ 2026-05-29 01:58:20
● 2026-07-16 06:41:38
● 2026-07-19 22:39:56
○A216.198.79.12026-05-14 → 2026-05-29 · 4 obs
● 2026-05-14 03:12:20
● 2026-05-29 01:58:20
○ 2026-07-16 06:41:38
○ 2026-07-19 22:39:56
○A216.198.79.652026-05-14 → 2026-05-29 · 6 obs
● 2026-05-14 03:12:20
● 2026-05-23 13:13:18
○ 2026-05-24 18:56:42
● 2026-05-29 01:58:20
○ 2026-07-16 06:41:38
○ 2026-07-19 22:39:56
●A2606:4700:3033::6815:20e32026-07-16 → 2026-07-19 · 3 obs
○ 2026-05-29 01:58:20
● 2026-07-16 06:41:38
● 2026-07-19 22:39:56
●A2606:4700:3033::ac43:9c512026-07-16 → 2026-07-19 · 3 obs
○ 2026-05-29 01:58:20
● 2026-07-16 06:41:38
● 2026-07-19 22:39:56
○A64.29.17.12026-05-24 → 2026-05-24 · 4 obs
○ 2026-05-23 13:13:18
● 2026-05-24 18:56:42
○ 2026-05-29 01:58:20
○ 2026-07-19 22:39:56
○CNAMEimprovementbd.com2020-03-21 → 2020-03-21 · 3 obs
● 2020-03-21 11:41:10
○ 2026-05-14 03:12:20
○ 2026-07-19 22:39:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
improvementbd.comzelda.ns.cloudflare.com, toby.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.239

NS records: zelda.ns.cloudflare.com, toby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for improvementbd.com (unsigned zone)

⏱️ Timing

Total: 115ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.156.81, 104.21.32.227
AAAA22606:4700:3033::6815:20e3, 2606:4700:3033::ac43:9c51
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (zelda.ns.cloudflare.com, zelda.ns.cloudflare.com, zelda.ns.cloudflare.com...)

Analysis

IP Addresses

www.improvementbd.com directs to four IP numbers, which are 104.21.32.227, 172.67.156.81, 2606:4700:3033::6815:20e3 and 2606:4700:3033::ac43:9c51.

Among the host names that share IP numbers with www.improvementbd.com are watulintang.com, governamerica.com, playmefun.com and two others.