`built4building.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:201f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:b65d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.31^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.93^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nile.ns.cloudflare.com` ⭐ ⚠️ Not in parent delegation
		A	2606:4700:58::adf5:3bd6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nile.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nile.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nile.ns.cloudflare.com`
		A	108.162.193.214^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nile.ns.cloudflare.com`
		A	172.64.33.214^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nile.ns.cloudflare.com`
		A	173.245.59.214^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nile.ns.cloudflare.com`
NS	`elly.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:50::a29f:26f6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elly.ns.cloudflare.com`
		A	108.162.194.246^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	162.159.38.246^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	172.64.34.246^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
NS	`harley.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:58::a29f:2c80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c380^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2380^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harley.ns.cloudflare.com`
		A	108.162.195.128^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harley.ns.cloudflare.com`
		A	162.159.44.128^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harley.ns.cloudflare.com`
		A	172.64.35.128^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harley.ns.cloudflare.com`
NS	`wren.ns.cloudflare.com` ⚠️ Not in parent delegation
		A	2606:4700:50::a29f:268d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wren.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wren.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wren.ns.cloudflare.com`
		A	108.162.194.141^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wren.ns.cloudflare.com`
		A	162.159.38.141^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wren.ns.cloudflare.com`
		A	172.64.34.141^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wren.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.31, 172.67.182.93
		IPv6 hints	2606:4700:3031::6815:201f, 2606:4700:3031::ac43:b65d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOA	`nile.ns.cloudflare.com`dns@cloudflare.com serial=2403180654

`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=1778452501

⚠️ On DNS blocklist: tif

Same first word

built4building.com

DNS History

18 records (8 active, 10 former)

○NSa.share-dns.com2026-04-23 → 2026-04-23 · 4 obs

○ 2017-08-21 18:27:04
● 2026-04-23 23:23:28
○ 2026-05-06 00:48:30
○ 2026-05-10 22:36:24

○NSa9.share-dns.com2026-04-23 → 2026-04-23 · 4 obs

○ 2017-08-21 18:27:04
● 2026-04-23 23:23:28
○ 2026-05-06 00:48:30
○ 2026-05-10 22:36:24

○NSb.share-dns.net2026-04-23 → 2026-04-23 · 4 obs

○ 2017-08-21 18:27:04
● 2026-04-23 23:23:28
○ 2026-05-06 00:48:30
○ 2026-05-10 22:36:24

○NSb9.share-dns.net2026-04-23 → 2026-04-23 · 4 obs

○ 2017-08-21 18:27:04
● 2026-04-23 23:23:28
○ 2026-05-06 00:48:30
○ 2026-05-10 22:36:24

●NSelly.ns.cloudflare.com2026-05-10 → 2026-05-10 · 3 obs

○ 2026-05-06 00:48:30
● 2026-05-10 22:36:22
● 2026-05-10 22:36:24

●NSharley.ns.cloudflare.com2026-05-10 → 2026-05-10 · 3 obs

○ 2026-05-06 00:48:30
● 2026-05-10 22:36:22
● 2026-05-10 22:36:24

●NSnile.ns.cloudflare.com2026-05-06 → 2026-05-10 · 3 obs

○ 2026-04-23 23:23:28
● 2026-05-06 00:48:30
● 2026-05-10 22:36:24

○NSns03.domaincontrol.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 23:51:10
○ 2017-08-21 18:27:04
○ 2026-05-10 22:36:24

○NSns04.domaincontrol.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 23:51:10
○ 2017-08-21 18:27:04
○ 2026-05-10 22:36:24

●NSwren.ns.cloudflare.com2026-05-06 → 2026-05-10 · 3 obs

○ 2026-04-23 23:23:28
● 2026-05-06 00:48:30
● 2026-05-10 22:36:24

○MXmailstore1.secureserver.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 23:51:10
○ 2017-08-21 18:27:04
○ 2026-05-10 22:36:24

○MXsmtp.secureserver.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 23:51:10
○ 2017-08-21 18:27:04
○ 2026-05-10 22:36:24

●A104.21.32.312026-05-06 → 2026-05-10 · 3 obs

○ 2026-04-23 23:23:28
● 2026-05-06 00:48:30
● 2026-05-10 22:36:24

○A146.148.196.1042026-04-23 → 2026-04-23 · 4 obs

○ 2017-08-21 18:27:04
● 2026-04-23 23:23:28
○ 2026-05-06 00:48:30
○ 2026-05-10 22:36:24

●A172.67.182.932026-05-06 → 2026-05-10 · 3 obs

○ 2026-04-23 23:23:28
● 2026-05-06 00:48:30
● 2026-05-10 22:36:24

○A216.58.230.392016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 23:51:10
○ 2017-08-21 18:27:04
○ 2026-05-10 22:36:24

●A2606:4700:3031::6815:201f2026-05-06 → 2026-05-10 · 3 obs

○ 2026-04-23 23:23:28
● 2026-05-06 00:48:30
● 2026-05-10 22:36:24

●A2606:4700:3031::ac43:b65d2026-05-06 → 2026-05-10 · 3 obs

○ 2026-04-23 23:23:28
● 2026-05-06 00:48:30
● 2026-05-10 22:36:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
built4building.com	elly.ns.cloudflare.com, harley.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.246

NS records: elly.ns.cloudflare.com, harley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for built4building.com (unsigned zone)

⏱️ Timing

Total: 545ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.32.31, 172.67.182.93`
AAAA	2	`2606:4700:3031::ac43:b65d, 2606:4700:3031::6815:201f`
NS	2	`nile.ns.cloudflare.com, wren.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nile.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

built4building.com maps to four IP numbers: 2606:4700:3031::6815:201f, 2606:4700:3031::ac43:b65d, 104.21.32.31 and 172.67.182.93.

Other host names such as ufa3939.support, webdisk.caffi.vn, grandslotnetwork.com, rusharena-ml.site and physiofinder.net share IPs with built4building.com.

Name Servers

built4building.com is delegated to four name servers: elly.ns.cloudflare.com, harley.ns.cloudflare.com, nile.ns.cloudflare.com and wren.ns.cloudflare.com.

built4building.com at least partially shares name servers with other domains, for example givudulumservices.digital, seven.vc, vequgoturausholdings.digital, 77ara.com and 6781155.com.

these name servers commonly pair with sue.ns.cloudflare.com, jasper.ns.cloudflare.com, sasha.ns.cloudflare.com and rihana.ns.cloudflare.com.

Host names with six IP numbers: elly.ns.cloudflare.com points to: 2606:4700:50::a29f:26f6, 2803:f800:50::6ca2:c2f6, 2a06:98c1:50::ac40:22f6, 108.162.194.246, 162.159.38.246 and 172.64.34.246; harley.ns.cloudflare.com points to: 2606:4700:58::a29f:2c80, 2803:f800:50::6ca2:c380, 2a06:98c1:50::ac40:2380, 108.162.195.128, 162.159.44.128 and 172.64.35.128; nile.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd6, 2803:f800:50::6ca2:c1d6, 2a06:98c1:50::ac40:21d6, 108.162.193.214, 172.64.33.214 and 173.245.59.214; wren.ns.cloudflare.com points to: 2606:4700:50::a29f:268d, 2803:f800:50::6ca2:c28d, 2a06:98c1:50::ac40:228d, 108.162.194.141, 162.159.38.141 and 172.64.34.141.

built4building.com - robtex.com