usdschool.com - robtex.com

usdschool.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:9985🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5a35🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.53Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.133🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkyree.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ccf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
A2803:f800:50::6ca2:c3cf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkyree.ns.cloudflare.com
A2a06:98c1:50::ac40:23cf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkyree.ns.cloudflare.com
A108.162.195.207🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
A162.159.44.207Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
A172.64.35.207🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyree.ns.cloudflare.com
NSnicole.ns.cloudflare.com
A2606:4700:50::adf5:3ad3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A2803:f800:50::6ca2:c0d3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnicole.ns.cloudflare.com
A2a06:98c1:50::ac40:20d3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnicole.ns.cloudflare.com
A108.162.192.211🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A172.64.32.211🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A173.245.58.211🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.53, 172.67.153.133
IPv6 hints2606:4700:3033::ac43:9985, 2606:4700:3037::6815:5a35
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOAkyree.ns.cloudflare.comdns@cloudflare.com serial=2407977321

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782552975

Same first word

usdschool.com

Similar names

cloudhoss.com
hosscloud.com

DNS History

12 records (6 active, 6 former)

2020202120222023202420252026NSkyree.ns.cloudflare.comnicole.ns.cloudflare.comns1.dns.comns1.dnsdun.comns1.dnsdun.netns2.dns.comA104.21.90.53172.67.153.1332606:4700:3033::ac43:99852606:4700:3037::6815:5a35107.163.47.66108.62.73.23
●NSkyree.ns.cloudflare.com2026-06-27 → 2026-06-27 · 2 obs
○ 2026-06-03 11:23:50
● 2026-06-27 09:46:34
●NSnicole.ns.cloudflare.com2026-06-27 → 2026-06-27 · 2 obs
○ 2026-06-03 11:23:50
● 2026-06-27 09:46:34
○NSns1.dns.com2026-05-22 → 2026-06-03 · 4 obs
○ 2019-12-14 11:57:18
● 2026-05-22 07:17:08
● 2026-06-03 11:23:50
○ 2026-06-27 09:46:34
○NSns1.dnsdun.com2019-12-14 → 2019-12-14 · 3 obs
● 2019-12-14 11:57:18
○ 2026-05-22 07:17:08
○ 2026-06-27 09:46:34
○NSns1.dnsdun.net2019-12-14 → 2019-12-14 · 3 obs
● 2019-12-14 11:57:18
○ 2026-05-22 07:17:08
○ 2026-06-27 09:46:34
○NSns2.dns.com2026-05-22 → 2026-06-03 · 4 obs
○ 2019-12-14 11:57:18
● 2026-05-22 07:17:08
● 2026-06-03 11:23:50
○ 2026-06-27 09:46:34
●A104.21.90.532026-06-27 → 2026-06-27 · 2 obs
○ 2026-06-03 11:23:50
● 2026-06-27 09:46:34
○A107.163.47.662026-05-22 → 2026-06-03 · 4 obs
○ 2019-12-14 11:57:18
● 2026-05-22 07:17:08
● 2026-06-03 11:23:50
○ 2026-06-27 09:46:34
○A108.62.73.232019-12-14 → 2019-12-14 · 3 obs
● 2019-12-14 11:57:18
○ 2026-05-22 07:17:08
○ 2026-06-27 09:46:34
●A172.67.153.1332026-06-27 → 2026-06-27 · 2 obs
○ 2026-06-03 11:23:50
● 2026-06-27 09:46:34
●A2606:4700:3033::ac43:99852026-06-27 → 2026-06-27 · 2 obs
○ 2026-06-03 11:23:50
● 2026-06-27 09:46:34
●A2606:4700:3037::6815:5a352026-06-27 → 2026-06-27 · 2 obs
○ 2026-06-03 11:23:50
● 2026-06-27 09:46:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
usdschool.comnicole.ns.cloudflare.com, kyree.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.211

NS records: nicole.ns.cloudflare.com, kyree.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usdschool.com (unsigned zone)

⏱️ Timing

Total: 1248ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.153.133, 104.21.90.53
AAAA22606:4700:3037::6815:5a35, 2606:4700:3033::ac43:9985
NS2kyree.ns.cloudflare.com, nicole.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kyree.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

usdschool.com directs to four IP numbers, which are 104.21.90.53, 172.67.153.133, 2606:4700:3033::ac43:9985 and 2606:4700:3037::6815:5a35.

Among the host names that share IP numbers with usdschool.com are olleyy.com, victorcode.com, hcfnepal.org and two others.

Name Servers

usdschool.com uses two name servers for its delegation: kyree.ns.cloudflare.com and nicole.ns.cloudflare.com.

usdschool.com has the same name server delegation as a number of other domains, such as kkachina.com, profulsoft.com, yltzg.com and two more.

At least some of usdschool.com's name servers are shared with other domains, for example bugasalt.eu, jasonlinett.com, helloreplica.it and two more.

It is common for these name servers to be used in conjunction with the name servers sky.ns.cloudflare.com, peyton.ns.cloudflare.com and marjory.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname kyree.ns.cloudflare.com directs to 108.162.195.207, 162.159.44.207 and 172.64.35.207 along with 3 other IP addresses.

Hostname nicole.ns.cloudflare.com directs to 108.162.192.211, 172.64.32.211 and 173.245.58.211 along with 3 other IP addresses.