`certifiedusb.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1528^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:c460^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.40^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.96^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
NS	`serena.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serena.ns.cloudflare.com`
		A	108.162.192.220^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	172.64.32.220^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	173.245.58.220^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.40, 172.67.196.96
		IPv6 hints	2606:4700:3030::6815:1528, 2606:4700:3033::ac43:c460
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2403317405

`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=1778445126

📈 Tranco rank: #92,378

Same first word

certifiedusb.com

DNS History

15 records (6 active, 9 former)

●NSdave.ns.cloudflare.com2026-03-14 → 2026-05-10 · 3 obs

○ 2020-03-29 17:32:00
● 2026-03-14 00:40:52
● 2026-05-10 20:44:44

○NSns1.dan.com2020-03-29 → 2020-03-29 · 4 obs

○ 2017-04-07 17:53:52
● 2020-03-29 17:32:00
○ 2026-03-14 00:40:52
○ 2026-05-10 20:44:44

○NSns2.dan.com2020-03-29 → 2020-03-29 · 4 obs

○ 2017-04-07 17:53:52
● 2020-03-29 17:32:00
○ 2026-03-14 00:40:52
○ 2026-05-10 20:44:44

○NSns39.domaincontrol.com2015-06-06 → 2016-09-17 · 4 obs

● 2015-06-06 01:58:34
● 2016-09-17 23:04:36
○ 2017-04-07 17:53:52
○ 2026-05-10 20:44:44

○NSns40.domaincontrol.com2015-06-06 → 2016-09-17 · 4 obs

● 2015-06-06 01:58:34
● 2016-09-17 23:04:36
○ 2017-04-07 17:53:52
○ 2026-05-10 20:44:44

●NSserena.ns.cloudflare.com2026-03-14 → 2026-05-10 · 3 obs

○ 2020-03-29 17:32:00
● 2026-03-14 00:40:52
● 2026-05-10 20:44:44

○MXmailstore1.secureserver.net2015-06-06 → 2016-09-17 · 4 obs

● 2015-06-06 01:58:34
● 2016-09-17 23:04:36
○ 2017-04-07 17:53:52
○ 2026-05-10 20:44:44

○MXsmtp.secureserver.net2015-06-06 → 2016-09-17 · 4 obs

● 2015-06-06 01:58:34
● 2016-09-17 23:04:36
○ 2017-04-07 17:53:52
○ 2026-05-10 20:44:44

●A104.21.21.402026-03-14 → 2026-05-10 · 3 obs

○ 2020-03-29 17:32:00
● 2026-03-14 00:40:52
● 2026-05-10 20:44:44

●A172.67.196.962026-03-14 → 2026-05-10 · 3 obs

○ 2020-03-29 17:32:00
● 2026-03-14 00:40:52
● 2026-05-10 20:44:44

○A184.168.221.512015-06-06 → 2016-09-17 · 4 obs

● 2015-06-06 01:58:34
● 2016-09-17 23:04:36
○ 2017-04-07 17:53:52
○ 2026-05-10 20:44:44

●A2606:4700:3030::6815:15282026-03-14 → 2026-05-10 · 3 obs

○ 2020-03-29 17:32:00
● 2026-03-14 00:40:52
● 2026-05-10 20:44:44

●A2606:4700:3033::ac43:c4602026-03-14 → 2026-05-10 · 3 obs

○ 2020-03-29 17:32:00
● 2026-03-14 00:40:52
● 2026-05-10 20:44:44

○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522020-03-29 → 2020-03-29 · 4 obs

○ 2017-04-07 17:53:52
● 2020-03-29 17:32:00
○ 2026-03-14 00:40:52
○ 2026-05-10 20:44:44

○A52.58.78.162020-03-29 → 2020-03-29 · 4 obs

○ 2017-04-07 17:53:52
● 2020-03-29 17:32:00
○ 2026-03-14 00:40:52
○ 2026-05-10 20:44:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
certifiedusb.com	dave.ns.cloudflare.com, serena.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:172.64.33.109

NS records: dave.ns.cloudflare.com, serena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certifiedusb.com (unsigned zone)

⏱️ Timing

Total: 147ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.21.40, 172.67.196.96`
AAAA	2	`2606:4700:3030::6815:1528, 2606:4700:3033::ac43:c460`
NS	2	`dave.ns.cloudflare.com, serena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by certifiedusb.com: 2606:4700:3030::6815:1528, 2606:4700:3033::ac43:c460, 104.21.21.40 and 172.67.196.96.

other host names including www.clzjw.com, www.jndsb.net, www.gmaail.com, soshidai.cn and bassbetcasinos.fr share IP numbers with certifiedusb.com.

Name Servers

certifiedusb.com is delegated to two name servers dave.ns.cloudflare.com and serena.ns.cloudflare.com.

certifiedusb.com shares the same name server setup as other domains, for instance northbound.technology, goku4d.com, shia.pk, creditconcepts.com and iphoneorten.de.

certifiedusb.com at least partially shares name servers with other domains, for instance ckewanggwshoujibanjcwangshouye.net.cn, skillspoland.pl, bulmotors.com.ua, vantagepersonalcare.us and equipment-sales.com.

These name servers are commonly used with mimi.ns.cloudflare.com, dana.ns.cloudflare.com and gina.ns.cloudflare.com.

Host names with six IP numbers:

Host name dave.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6d, 2803:f800:50::6ca2:c16d, 2a06:98c1:50::ac40:216d, 108.162.193.109, 172.64.33.109 and 173.245.59.109.

Host name serena.ns.cloudflare.com points to: 2606:4700:50::adf5:3adc, 2803:f800:50::6ca2:c0dc, 2a06:98c1:50::ac40:20dc, 108.162.192.220, 172.64.32.220 and 173.245.58.220.

certifiedusb.com - robtex.com