stdtesting.us.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stdtesting.us.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d4e6^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:25cc^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.204^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.230^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`denver.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`denver.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`denver.ns.cloudflare.com`
		A	108.162.195.196^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	162.159.44.196^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	172.64.35.196^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
NS	`susan.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`susan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`susan.ns.cloudflare.com`
		A	108.162.194.199^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	162.159.38.199^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	172.64.34.199^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.204, 172.67.212.230
		IPv6 hints	2606:4700:3033::ac43:d4e6, 2606:4700:3034::6815:25cc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=10, name=cloudflare-ech.com
SOA	`denver.ns.cloudflare.com`dns@cloudflare.com serial=2413510548

`us.com`

	DNSSEC	⚠️ Not signed
	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	`google-site-verification=TQ9DQVGZ4sDKfEbBIAiflq7ZKjGuCOC_vEpwyw_XsW8`
	TXT	`v=spf1 mx -all`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=3000806381

rank #375 globally
rank #240 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: #1,161

Same first word

stdtesting.ca

stdtesting.gay

stdtesting.com

stdtesting.uk

stdtesting.us

stdtesting.me

stdtesting.de

stdtesting.sg

stdtesting.co.uk

stdtesting.clinic

stdtesting.dev

stdtesting.org

stdtesting.us.com

stdtesting.bio

stdtesting.buzz

stdtesting.net

Similar names

tgdentists.com

dtstesting.com

tdstesting.com

tttdesigns.com

Previous names

Next names

DNS History

10 records (6 active, 4 former)

●NSdenver.ns.cloudflare.com2026-09-06 → 2026-09-20 · 2 obs

● 2026-09-06 07:14:12
● 2026-09-20 19:41:20

●NSsusan.ns.cloudflare.com2026-09-06 → 2026-09-20 · 2 obs

● 2026-09-06 07:14:12
● 2026-09-20 19:41:20

●A104.21.37.2042026-09-09 → 2026-09-20 · 3 obs

○ 2026-09-06 07:14:12
● 2026-09-09 14:05:04
● 2026-09-20 19:41:20

●A172.67.212.2302026-09-09 → 2026-09-20 · 3 obs

○ 2026-09-06 07:14:12
● 2026-09-09 14:05:04
● 2026-09-20 19:41:20

○A188.114.96.02026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 07:14:12
○ 2026-09-09 14:05:04
○ 2026-09-20 19:41:20

○A188.114.97.02026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 07:14:12
○ 2026-09-09 14:05:04
○ 2026-09-20 19:41:20

●A2606:4700:3033::ac43:d4e62026-09-09 → 2026-09-20 · 3 obs

○ 2026-09-06 07:14:12
● 2026-09-09 14:05:04
● 2026-09-20 19:41:20

●A2606:4700:3034::6815:25cc2026-09-09 → 2026-09-20 · 3 obs

○ 2026-09-06 07:14:12
● 2026-09-09 14:05:04
● 2026-09-20 19:41:20

○A2a06:98c1:3120::2026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 07:14:12
○ 2026-09-09 14:05:04
○ 2026-09-20 19:41:20

○A2a06:98c1:3121::2026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 07:14:12
○ 2026-09-09 14:05:04
○ 2026-09-20 19:41:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net...	-
us.com	ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net	-
stdtesting.us.com	susan.ns.cloudflare.com, denver.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.196

NS records: susan.ns.cloudflare.com, denver.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1757ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.204, 172.67.212.230`
AAAA	2	`2606:4700:3034::6815:25cc, 2606:4700:3033::ac43:d4e6`
NS	2	`denver.ns.cloudflare.com, susan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`denver.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

stdtesting.us.com points to the four IP addresses 104.21.37.204, 172.67.212.230, 2606:4700:3033::ac43:d4e6 and 2606:4700:3034::6815:25cc.

Two other host names, along with motnolado.org, el-tenor.com and qevnoxa.world, also share IP numbers with stdtesting.us.com.

Name Servers

stdtesting.us.com is served by two delegated name servers, denver.ns.cloudflare.com and susan.ns.cloudflare.com.

stdtesting.us.com shares its NS records with other domains, for example aees.sa.com, buteftatom.gr.com, stm.sa.com and two others.

There is at least partial name server overlap between stdtesting.us.com and other domains — 3819g.pages.dev, finvinfo.biz, researchcompass.net and two more among them.

The name servers lily.ns.cloudflare.com, leonard.ns.cloudflare.com and bonnie.ns.cloudflare.com are often found in combination with these name servers.

DNS names with 6 IP addresses:

denver.ns.cloudflare.com carries IP addresses 108.162.195.196, 162.159.44.196 and 172.64.35.196, with 3 other addresses beyond those.

susan.ns.cloudflare.com carries IP addresses 108.162.194.199, 162.159.38.199 and 172.64.34.199, with 3 other addresses beyond those.