`arbitrumfoundation.us.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:416a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9123^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.106^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.35^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sandra.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2622^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c222^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sandra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2222^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sandra.ns.cloudflare.com`
		A	108.162.194.34^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	162.159.38.34^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	172.64.34.34^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
NS	`zahir.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zahir.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c391^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zahir.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2391^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zahir.ns.cloudflare.com`
		A	108.162.195.145^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zahir.ns.cloudflare.com`
		A	162.159.44.145^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zahir.ns.cloudflare.com`
		A	172.64.35.145^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zahir.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.106, 172.67.145.35
		IPv6 hints	2606:4700:3034::6815:416a, 2606:4700:3037::ac43:9123
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`sandra.ns.cloudflare.com`dns@cloudflare.com serial=2405974900

`us.com`

	DNSSEC	🔒 Signed (DS record present)
	A	54.153.56.183^{🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix}
	NS	`ns0.centralnic.net` ⭐
	NS	`ns1.centralnic.net`
	NS	`ns2.centralnic.net`
	NS	`ns3.centralnic.net`
	NS	`ns4.centralnic.net`
	MX	`mx-01.emailme.com` ⭐
	TXT	`v=spf1 mx -all`
	TXT	`google-site-verification=TQ9DQVGZ4sDKfEbBIAiflq7ZKjGuCOC_vEpwyw_XsW8`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=3000771263

rank #336 globally
rank #213 in the tld
WOT: SAFE (48/100)
📈 Tranco rank: #1,040

Same first word

arbitrumfoundation.xyz

arbitrumfoundation.app

arbitrumfoundation.com

arbitrumfoundation.us.com

DNS History

6 records (6 active, 0 former)

●NSsandra.ns.cloudflare.com2026-04-21 → 2026-06-15 · 2 obs

● 2026-04-21 02:20:58
● 2026-06-15 13:19:34

●NSzahir.ns.cloudflare.com2026-04-21 → 2026-06-15 · 2 obs

● 2026-04-21 02:20:58
● 2026-06-15 13:19:34

●A104.21.65.1062026-04-21 → 2026-06-15 · 2 obs

● 2026-04-21 02:20:58
● 2026-06-15 13:19:34

●A172.67.145.352026-04-21 → 2026-06-15 · 2 obs

● 2026-04-21 02:20:58
● 2026-06-15 13:19:34

●A2606:4700:3034::6815:416a2026-04-21 → 2026-06-15 · 2 obs

● 2026-04-21 02:20:58
● 2026-06-15 13:19:34

●A2606:4700:3037::ac43:91232026-04-21 → 2026-06-15 · 2 obs

● 2026-04-21 02:20:58
● 2026-06-15 13:19:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
us.com	ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net	-
arbitrumfoundation.us.com	zahir.ns.cloudflare.com, sandra.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.34

NS records: zahir.ns.cloudflare.com, sandra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arbitrumfoundation.us.com (unsigned zone)

⏱️ Timing

Total: 1382ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.106, 172.67.145.35`
AAAA	2	`2606:4700:3034::6815:416a, 2606:4700:3037::ac43:9123`
NS	2	`sandra.ns.cloudflare.com, zahir.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sandra.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

arbitrumfoundation.us.com has four IP addresses: 104.21.65.106, 172.67.145.35, 2606:4700:3034::6815:416a and 2606:4700:3037::ac43:9123.

exurose.top, itbshub.com, gmi-shanghai.com plus two other host names have IP numbers in common with arbitrumfoundation.us.com.

Name Servers

The NS records for arbitrumfoundation.us.com delegate to sandra.ns.cloudflare.com and zahir.ns.cloudflare.com.

The name server configuration of arbitrumfoundation.us.com is shared with other domains, for instance 78win.com.bz, laptopbatteries.uk.com, ferryman.uk.com and two others.

arbitrumfoundation.us.com partially shares its NS delegation with several other domains, including 431brodiahy.army, sweetandshop.com, quisono.com and two others.

These name servers tend to appear together with the name servers nelci.ns.cloudflare.com, liz.ns.cloudflare.com and finley.ns.cloudflare.com, plus two others.

Hosts with 6 IP addresses each:

sandra.ns.cloudflare.com maps to 108.162.194.34, 162.159.38.34, 172.64.34.34 and 3 additional IP addresses.

zahir.ns.cloudflare.com maps to 108.162.195.145, 162.159.44.145, 172.64.35.145 and 3 additional IP addresses.

arbitrumfoundation.us.com - robtex.com