`usfounderstack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2e53^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:88fd^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.83^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.253^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harley.ns.cloudflare.com` ⭐
		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	`jule.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aaf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jule.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jule.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jule.ns.cloudflare.com`
		A	108.162.192.175^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jule.ns.cloudflare.com`
		A	172.64.32.175^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jule.ns.cloudflare.com`
		A	173.245.58.175^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jule.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽²⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽³⁵⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=G3NMJT3uLWniBZLaZEIT5hAkmG1rMTBuKmUHFKIZ80c`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.83, 172.67.136.253
		IPv6 hints	2606:4700:3031::6815:2e53, 2606:4700:3034::ac43:88fd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com
SOA	`harley.ns.cloudflare.com`dns@cloudflare.com serial=2410108777

`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=1786558629

Same first word

usfounderstack.com

DNS History

15 records (9 active, 6 former)

●NSharley.ns.cloudflare.com2026-05-24 → 2026-08-12 · 2 obs

● 2026-05-24 23:44:14
● 2026-08-12 18:39:36

●NSjule.ns.cloudflare.com2026-05-24 → 2026-08-12 · 2 obs

● 2026-05-24 23:44:14
● 2026-08-12 18:39:36

●MXroute1.mx.cloudflare.net2026-05-24 → 2026-08-12 · 2 obs

● 2026-05-24 23:44:14
● 2026-08-12 18:39:36

●MXroute2.mx.cloudflare.net2026-05-24 → 2026-08-12 · 2 obs

● 2026-05-24 23:44:14
● 2026-08-12 18:39:36

●MXroute3.mx.cloudflare.net2026-05-24 → 2026-08-12 · 2 obs

● 2026-05-24 23:44:14
● 2026-08-12 18:39:36

●A104.21.46.832026-05-25 → 2026-08-12 · 3 obs

○ 2026-05-24 23:44:14
● 2026-05-25 01:36:36
● 2026-08-12 18:39:36

●A172.67.136.2532026-05-25 → 2026-08-12 · 3 obs

○ 2026-05-24 23:44:14
● 2026-05-25 01:36:36
● 2026-08-12 18:39:36

○A188.114.96.02026-05-24 → 2026-05-24 · 3 obs

● 2026-05-24 23:44:14
○ 2026-05-25 01:36:36
○ 2026-08-12 18:39:36

○A188.114.97.02026-05-24 → 2026-05-24 · 3 obs

● 2026-05-24 23:44:14
○ 2026-05-25 01:36:36
○ 2026-08-12 18:39:36

●A2606:4700:3031::6815:2e532026-07-09 → 2026-08-12 · 3 obs

○ 2026-05-25 01:36:36
● 2026-07-09 07:33:48
● 2026-08-12 18:39:36

○A2606:4700:3032::6815:2e532026-05-25 → 2026-05-25 · 4 obs

○ 2026-05-24 23:44:14
● 2026-05-25 01:36:36
○ 2026-07-09 07:33:48
○ 2026-08-12 18:39:36

●A2606:4700:3034::ac43:88fd2026-07-09 → 2026-08-12 · 3 obs

○ 2026-05-25 01:36:36
● 2026-07-09 07:33:48
● 2026-08-12 18:39:36

○A2606:4700:3035::ac43:88fd2026-05-25 → 2026-05-25 · 4 obs

○ 2026-05-24 23:44:14
● 2026-05-25 01:36:36
○ 2026-07-09 07:33:48
○ 2026-08-12 18:39:36

○A2a06:98c1:3120::2026-05-24 → 2026-05-24 · 3 obs

● 2026-05-24 23:44:14
○ 2026-05-25 01:36:36
○ 2026-08-12 18:39:36

○A2a06:98c1:3121::2026-05-24 → 2026-05-24 · 3 obs

● 2026-05-24 23:44:14
○ 2026-05-25 01:36:36
○ 2026-08-12 18:39:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
usfounderstack.com	jule.ns.cloudflare.com, harley.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.175

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usfounderstack.com (unsigned zone)

⏱️ Timing

Total: 192ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.46.83, 172.67.136.253`
AAAA	2	`2606:4700:3031::6815:2e53, 2606:4700:3034::ac43:88fd`
NS	2	`harley.ns.cloudflare.com, jule.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 14), route2.mx.cloudflare.net (pri: 29)...`
TXT	2	`google-site-verification=G3NMJT3uLWniBZL, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harley.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

usfounderstack.com resolves to four IP addresses: 104.21.46.83, 172.67.136.253, 2606:4700:3031::6815:2e53 and 2606:4700:3034::ac43:88fd.

Among the host names that share IP numbers with usfounderstack.com are www.hoterika.com, all-ahead.hoterika.com, www.mbahtoto88.net and two others.

Name Servers

The NS records for usfounderstack.com delegate to harley.ns.cloudflare.com and jule.ns.cloudflare.com.

usfounderstack.com has the same name server delegation as a number of other domains, such as tiktokdownloader.com, xdownloader.com, elektricar24.me and two more.

usfounderstack.com has at least partial name server overlap with other domains, such as gzdde.com, weberdupmuseum.org, ewsw.top and two others.

It is common to find these name servers paired with the name servers rihana.ns.cloudflare.com, bradley.ns.cloudflare.com, viddy.ns.cloudflare.com and beau.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

harley.ns.cloudflare.com maps to 108.162.195.128, 162.159.44.128, 172.64.35.128 and 3 additional IP addresses.

jule.ns.cloudflare.com maps to 108.162.192.175, 172.64.32.175, 173.245.58.175 and 3 additional IP addresses.

Mail Servers

usfounderstack.com has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

usfounderstack.com shares at least some of its mail servers with other domains — for example inbo.ir, babydoll.ai, cstuber.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

usfounderstack.com - robtex.com