studybay.us - dns.ninja

`studybay.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d7ef^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:10d2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.210^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.239^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`donald.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donald.ns.cloudflare.com`
		A	108.162.193.158^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	172.64.33.158^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	173.245.59.158^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
NS	`nelly.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelly.ns.cloudflare.com`
		A	108.162.192.209^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	172.64.32.209^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	173.245.58.209^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
TXT	`google-site-verification=jXVc1JRPyzpsZmP8qcgJJb_AgZj8zu5o6nOkS4QkZ-o`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.210, 172.67.215.239
		IPv6 hints	2606:4700:3032::ac43:d7ef, 2606:4700:3037::6815:10d2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`donald.ns.cloudflare.com`dns@cloudflare.com serial=2406724651

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1782779180

Same first word

studybay.company

studybay.app

studybay.org

studybay.us

studybay.com

studybay.net

studybay.ai

studybay.ws

studybay.center

Similar names

bustyday.com

DNS History

8 records (6 active, 2 former)

●NSdonald.ns.cloudflare.com2026-06-13 → 2026-06-30 · 2 obs

● 2026-06-13 05:17:30
● 2026-06-30 00:52:32

●NSnelly.ns.cloudflare.com2026-06-13 → 2026-06-30 · 2 obs

● 2026-06-13 05:17:30
● 2026-06-30 00:52:32

●A104.21.16.2102026-06-13 → 2026-06-30 · 2 obs

● 2026-06-13 05:17:30
● 2026-06-30 00:52:32

●A172.67.215.2392026-06-13 → 2026-06-30 · 2 obs

● 2026-06-13 05:17:30
● 2026-06-30 00:52:32

●A2606:4700:3032::ac43:d7ef2026-06-30 → 2026-06-30 · 2 obs

○ 2026-06-13 10:00:02
● 2026-06-30 00:52:32

○A2606:4700:3034::ac43:d7ef2026-06-13 → 2026-06-13 · 3 obs

● 2026-06-13 05:17:30
● 2026-06-13 10:00:02
○ 2026-06-30 00:52:32

○A2606:4700:3036::6815:10d22026-06-13 → 2026-06-13 · 3 obs

● 2026-06-13 05:17:30
● 2026-06-13 10:00:02
○ 2026-06-30 00:52:32

●A2606:4700:3037::6815:10d22026-06-30 → 2026-06-30 · 2 obs

○ 2026-06-13 10:00:02
● 2026-06-30 00:52:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
studybay.us	nelly.ns.cloudflare.com, donald.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.209

NS records: nelly.ns.cloudflare.com, donald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studybay.us (unsigned zone)

⏱️ Timing

Total: 609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.215.239, 104.21.16.210`
AAAA	2	`2606:4700:3032::ac43:d7ef, 2606:4700:3037::6815:10d2`
NS	2	`donald.ns.cloudflare.com, nelly.ns.cloudflare.com`
TXT	1	`google-site-verification=jXVc1JRPyzpsZmP`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`donald.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

studybay.us directs to four IP numbers, which are 104.21.16.210, 172.67.215.239, 2606:4700:3032::ac43:d7ef and 2606:4700:3037::6815:10d2.

Among the host names that share IP numbers with studybay.us are quangkhoi.net, wincric.live, unterland.net and two others.

Name Servers

studybay.us uses two name servers for its delegation: donald.ns.cloudflare.com and nelly.ns.cloudflare.com.

studybay.us has the same name server delegation as a number of other domains, such as hopetutors.com, est-test.fr, callio.vn and two more.

At least some of studybay.us's name servers are shared with other domains, for example isuncharge.com, dunyafrekans.world, dorar.store and two more.

These name servers tend to be deployed in combination with the name servers alberto.ns.cloudflare.com and magnolia.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname donald.ns.cloudflare.com directs to 108.162.193.158, 172.64.33.158 and 173.245.59.158 along with 3 other IP addresses.

Hostname nelly.ns.cloudflare.com directs to 108.162.192.209, 172.64.32.209 and 173.245.58.209 along with 3 other IP addresses.