`buildconstructor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1811^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d84b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.17^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.75^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mona.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ace^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mona.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mona.ns.cloudflare.com`
		A	108.162.192.206^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	172.64.32.206^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	173.245.58.206^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
NS	`sullivan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ca1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sullivan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sullivan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sullivan.ns.cloudflare.com`
		A	108.162.195.161^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sullivan.ns.cloudflare.com`
		A	162.159.44.161^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sullivan.ns.cloudflare.com`
		A	172.64.35.161^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sullivan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.24.17, 172.67.216.75
		IPv6	2606:4700:3030::6815:1811, 2606:4700:3035::ac43:d84b
SOA	`mona.ns.cloudflare.com`dns@cloudflare.com serial=2398651722

`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=1774527857

⚠️ On DNS blocklist: tif

Same first word

buildconstructor.com

DNS History

6 records (6 active, 0 former)

●NSmona.ns.cloudflare.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 11:06:58
● 2026-03-26 12:38:48

●NSsullivan.ns.cloudflare.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 11:06:58
● 2026-03-26 12:38:48

●A104.21.24.172026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 11:06:58
● 2026-03-26 12:38:48

●A172.67.216.752026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 11:06:58
● 2026-03-26 12:38:48

●A2606:4700:3030::6815:18112026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 11:06:58
● 2026-03-26 12:38:48

●A2606:4700:3035::ac43:d84b2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 11:06:58
● 2026-03-26 12:38:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
buildconstructor.com	mona.ns.cloudflare.com, sullivan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.161

NS records: mona.ns.cloudflare.com, sullivan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildconstructor.com (unsigned zone)

⏱️ Timing

Total: 73ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.24.17, 172.67.216.75`
AAAA	2	`2606:4700:3030::6815:1811, 2606:4700:3035::ac43:d84b`
NS	2	`mona.ns.cloudflare.com, sullivan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mona.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

buildconstructor.com points to four IP numbers: 2606:4700:3030::6815:1811, 2606:4700:3035::ac43:d84b, 104.21.24.17 and 172.67.216.75.

Other host names including r2.ee, dodonft.io, radioamicipersem.altervista.org.cdn.cloudflare.net, biosecuritymatters.com and appartementdiemen.nl share IP numbers with buildconstructor.com.

Name Servers

buildconstructor.com's delegation uses two name servers, mona.ns.cloudflare.com and sullivan.ns.cloudflare.com.

buildconstructor.com shares the same name server setup as other domains, for example reticare.es, buildsimulation.com, taskformulator.com, planorganizator.com and designconstructor.com.

buildconstructor.com at least partially shares name servers with other domains, including zgjsrq.com, foxbox.co, approvedforwarders.com, wlib.net and oakwoodavenue.com.

these name servers are commonly used with dahlia.ns.cloudflare.com, sunny.ns.cloudflare.com, sofia.ns.cloudflare.com and adam.ns.cloudflare.com.

Host names with six IP numbers:

mona.ns.cloudflare.com points to: 2606:4700:50::adf5:3ace, 2803:f800:50::6ca2:c0ce, 2a06:98c1:50::ac40:20ce, 108.162.192.206, 172.64.32.206 and 173.245.58.206.

sullivan.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca1, 2803:f800:50::6ca2:c3a1, 2a06:98c1:50::ac40:23a1, 108.162.195.161, 162.159.44.161 and 172.64.35.161.

buildconstructor.com - robtex.com