`ar10upper.us.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:8d83^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:5732^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.50^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.131^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cesar.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c377^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cesar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2377^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cesar.ns.cloudflare.com`
		A	108.162.195.119^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	162.159.44.119^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	172.64.35.119^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
NS	`lily.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c082^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lily.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2082^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lily.ns.cloudflare.com`
		A	108.162.192.130^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	172.64.32.130^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	173.245.58.130^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.50, 172.67.141.131
		IPv6 hints	2606:4700:3032::ac43:8d83, 2606:4700:3033::6815:5732
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=217, name=cloudflare-ech.com
SOA	`cesar.ns.cloudflare.com`dns@cloudflare.com serial=2410273921

`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=3000790637

rank #349 globally
rank #222 in the tld

us.com

us.comis a private domain registry operated by CentralNic (now Team Internet Group plc) that offers third-level registrations as an alternative to the official.usor.comextensions. Unlike the official.uscountry-code top-level domain, registrations underus.comare unrestricted and available to anyone globally.

Key facts

Owner / operator: CentralNic (Team Internet Group plc)
TLD:.com— gTLD
Primary purpose: Domain registry for third-level subdomains
Status: active

History

Year	Event
1995	The`us.com`registry is established to offer third-level domain registrations.
1996	CentralNic, the operator of the registry, is founded.
2023	CentralNic Group plc officially rebrands to Team Internet Group plc.

⚠️ On DNS blocklist: spam-tlds
WOT: SAFE (48/100)
📈 Tranco rank: #1,119

Same first word

ar10upper.us.com

DNS History

8 records (7 active, 1 former)

●NScesar.ns.cloudflare.com2026-04-05 → 2026-08-04 · 2 obs

● 2026-04-05 07:40:32
● 2026-08-04 14:40:46

●NSlily.ns.cloudflare.com2026-04-05 → 2026-08-04 · 2 obs

● 2026-04-05 07:40:32
● 2026-08-04 14:40:46

●MXmx.stackmail.com2026-04-05 → 2026-08-04 · 2 obs

● 2026-04-05 07:40:32
● 2026-08-04 14:40:46

●A104.21.87.502026-04-05 → 2026-08-04 · 2 obs

● 2026-04-05 07:40:32
● 2026-08-04 14:40:46

●A172.67.141.1312026-04-05 → 2026-08-04 · 2 obs

● 2026-04-05 07:40:32
● 2026-08-04 14:40:46

○A2606:4700:3032::6815:57322026-04-05 → 2026-05-21 · 4 obs

● 2026-04-05 07:40:32
● 2026-05-21 04:06:24
○ 2026-07-04 00:00:24
○ 2026-08-04 14:40:46

●A2606:4700:3032::ac43:8d832026-04-05 → 2026-08-04 · 2 obs

● 2026-04-05 07:40:32
● 2026-08-04 14:40:46

●A2606:4700:3033::6815:57322026-07-04 → 2026-08-04 · 3 obs

○ 2026-05-21 04:06:24
● 2026-07-04 00:00:24
● 2026-08-04 14:40:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
us.com	ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net	-
ar10upper.us.com	lily.ns.cloudflare.com, cesar.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.130

NS records: lily.ns.cloudflare.com, cesar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ar10upper.us.com (unsigned zone)

⏱️ Timing

Total: 848ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.141.131, 104.21.87.50`
AAAA	2	`2606:4700:3032::ac43:8d83, 2606:4700:3033::6815:5732`
NS	2	`cesar.ns.cloudflare.com, lily.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cesar.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

ar10upper.us.com has four IP addresses: 104.21.87.50, 172.67.141.131, 2606:4700:3032::ac43:8d83 and 2606:4700:3033::6815:5732.

Among the host names that share IP numbers with ar10upper.us.com are (0x62656567).world, hgqzwfwzx.com, shijiazhuangqudou.com and two others.

Name Servers

Two name servers handle the delegation for ar10upper.us.com: cesar.ns.cloudflare.com and lily.ns.cloudflare.com.

ar10upper.us.com has the same name server delegation as a number of other domains, such as clblamgame.com, fatsahaber.org, mobile007.click and two more.

ar10upper.us.com partially shares its NS delegation with several other domains, including tb.co.za, bing-588.com, lanzhihai.net and two others.

These name servers are regularly seen alongside ian.ns.cloudflare.com and sydney.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

cesar.ns.cloudflare.com resolves to 108.162.195.119, 162.159.44.119 and 172.64.35.119 among others, with 3 other IP addresses in total.

lily.ns.cloudflare.com resolves to 108.162.192.130, 172.64.32.130 and 173.245.58.130 among others, with 3 other IP addresses in total.

Mail Servers

ar10upper.us.com routes its mail through a single mail server, mx.stackmail.com.

ar10upper.us.com has the same mail server arrangement as a number of other domains, for example moorcot.co.uk, kalamazoofamilymed.com, dotmot.co.uk and two more.

ar10upper.us.com partially shares its mail servers with other domains, re-start.app and huahintoday.com being examples.

mx.stackmail.com carries a single IP number, which is 185.151.28.67.

ar10upper.us.com - robtex.com

ar10upper.us.com

us.com

us.com

Key facts

History

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`ar10upper.us.com`

`us.com`