`improvementbd.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:20e3^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9c51^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.227^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.156.81^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`toby.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
NS	`zelda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zelda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zelda.ns.cloudflare.com`
		A	108.162.192.242^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	172.64.32.242^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	173.245.58.242^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.227, 172.67.156.81
		IPv6 hints	2606:4700:3033::6815:20e3, 2606:4700:3033::ac43:9c51
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com
SOA	`toby.ns.cloudflare.com`dns@cloudflare.com serial=2408714847

`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.net`nstld@verisign-grs.com serial=1784334772

⚠️ On DNS blocklist: tif

Previously MX for

improvementbd.com

Subdomains

www.improvementbd.com

Same first word

improvementbd.com

DNS History

17 records (6 active, 11 former)

○NSns1.101bd.net2016-12-17 → 2017-11-21 · 4 obs

● 2016-12-17 03:09:30
● 2017-11-21 06:27:54
○ 2026-05-23 12:50:28
○ 2026-07-18 00:36:48

○NSns1.vercel-dns.com2026-05-23 → 2026-05-23 · 4 obs

○ 2017-11-21 06:27:54
● 2026-05-23 12:50:28
○ 2026-07-18 00:36:46
○ 2026-07-18 00:36:48

○NSns2.101bd.net2016-12-17 → 2017-11-21 · 4 obs

● 2016-12-17 03:09:30
● 2017-11-21 06:27:54
○ 2026-05-23 12:50:28
○ 2026-07-18 00:36:48

○NSns2.vercel-dns.com2026-05-23 → 2026-05-23 · 4 obs

○ 2017-11-21 06:27:54
● 2026-05-23 12:50:28
○ 2026-07-18 00:36:46
○ 2026-07-18 00:36:48

●NStoby.ns.cloudflare.com2026-07-18 → 2026-07-18 · 3 obs

○ 2026-05-23 12:50:28
● 2026-07-18 00:36:46
● 2026-07-18 00:36:48

●NSzelda.ns.cloudflare.com2026-07-18 → 2026-07-18 · 3 obs

○ 2026-05-23 12:50:28
● 2026-07-18 00:36:46
● 2026-07-18 00:36:48

○MXimprovementbd.com2016-12-17 → 2017-11-21 · 4 obs

● 2016-12-17 03:09:30
● 2017-11-21 06:27:54
○ 2026-05-23 12:50:28
○ 2026-07-18 00:36:48

○A104.168.145.612016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 03:09:30
○ 2017-11-21 06:27:54
○ 2026-07-18 00:36:48

●A104.21.32.2272026-07-18 → 2026-07-18 · 3 obs

○ 2026-06-24 02:16:36
● 2026-07-18 00:36:46
● 2026-07-18 00:36:48

●A172.67.156.812026-07-18 → 2026-07-18 · 3 obs

○ 2026-06-24 02:16:36
● 2026-07-18 00:36:46
● 2026-07-18 00:36:48

○A192.129.227.102017-11-21 → 2017-11-21 · 4 obs

○ 2016-12-17 03:09:30
● 2017-11-21 06:27:54
○ 2026-05-23 12:50:28
○ 2026-07-18 00:36:48

○A216.198.79.12026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-23 12:50:28
● 2026-05-24 18:56:42
○ 2026-05-29 01:58:20
○ 2026-07-18 00:36:48

○A216.198.79.652026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-24 18:56:42
● 2026-05-29 01:58:20
○ 2026-07-18 00:36:46
○ 2026-07-18 00:36:48

●A2606:4700:3033::6815:20e32026-07-18 → 2026-07-18 · 3 obs

○ 2026-06-24 02:16:36
● 2026-07-18 00:36:46
● 2026-07-18 00:36:48

●A2606:4700:3033::ac43:9c512026-07-18 → 2026-07-18 · 3 obs

○ 2026-06-24 02:16:36
● 2026-07-18 00:36:46
● 2026-07-18 00:36:48

○A64.29.17.12026-05-23 → 2026-05-29 · 6 obs

○ 2017-11-21 06:27:54
● 2026-05-23 12:50:28
○ 2026-05-24 18:56:42
● 2026-05-29 01:58:20
○ 2026-06-24 02:16:36
○ 2026-07-18 00:36:48

○A64.29.17.652026-05-23 → 2026-06-24 · 7 obs

○ 2017-11-21 06:27:54
● 2026-05-23 12:50:28
● 2026-05-24 18:56:42
○ 2026-05-29 01:58:20
● 2026-06-24 02:16:36
○ 2026-07-18 00:36:46
○ 2026-07-18 00:36:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net...	-
improvementbd.com	zelda.ns.cloudflare.com, toby.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.242

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: 1007ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.32.227, 172.67.156.81`
AAAA	2	`2606:4700:3033::6815:20e3, 2606:4700:3033::ac43:9c51`
NS	2	`toby.ns.cloudflare.com, zelda.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`toby.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

improvementbd.com serves as the parent of www.improvementbd.com.

IP Addresses

improvementbd.com has four IP addresses: 104.21.32.227, 172.67.156.81, 2606:4700:3033::6815:20e3 and 2606:4700:3033::ac43:9c51.

asalmugrubi.com, footballmindsofficial.com, www.peterfreillystorage.com plus two other host names have IP numbers in common with improvementbd.com.

Name Servers

Two name servers handle the delegation for improvementbd.com: toby.ns.cloudflare.com and zelda.ns.cloudflare.com.

The name server configuration of improvementbd.com is shared with other domains, for instance perlesandco.de.com, reportesonline.com, easyhomemadelife.com and two others.

improvementbd.com has at least partial name server overlap with other domains, such as blael.com, 0scam.com, dancemagicperformingarts.com and two others.

It is common to find these name servers paired with the name servers ollie.ns.cloudflare.com, tara.ns.cloudflare.com, arvind.ns.cloudflare.com and rachel.ns.cloudflare.com.

Hosts with 6 IP addresses each:

toby.ns.cloudflare.com resolves to 108.162.193.239, 172.64.33.239 and 173.245.59.239 among others, with 3 other IP addresses in total.

zelda.ns.cloudflare.com resolves to 108.162.192.242, 172.64.32.242 and 173.245.58.242 among others, with 3 other IP addresses in total.

improvementbd.com - robtex.com