studybest.com - dns.ninja

`studybest.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:ce76^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4d60^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.96^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.118^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`danica.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26bb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`danica.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2bb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`danica.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22bb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`danica.ns.cloudflare.com`
		A	108.162.194.187^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`danica.ns.cloudflare.com`
		A	162.159.38.187^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`danica.ns.cloudflare.com`
		A	172.64.34.187^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`danica.ns.cloudflare.com`
NS	`keanu.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ca7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keanu.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`keanu.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`keanu.ns.cloudflare.com`
		A	108.162.195.167^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keanu.ns.cloudflare.com`
		A	162.159.44.167^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keanu.ns.cloudflare.com`
		A	172.64.35.167^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keanu.ns.cloudflare.com`
MX	`_dc-mx.91e0e6ede07d.studybest.com` ⭐
		A	221.121.154.23^{🇦🇺 SERVERS-1221.121.154.0/24 Servers Australia Pty. Ltd PO Box 3187}
			PTR	`server.awz.com`
TXT	`_globalsign-domain-verification=T_a7h3Oins01kcaNgSC0G1M1bBYNq37CQUpqhVheKP`
TXT	`v=spf1 ip4:161.97.150.98 ip4:221.121.154.23 +a +mx include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.96, 172.67.206.118
		IPv6 hints	2606:4700:3036::ac43:ce76, 2606:4700:3037::6815:4d60
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=46, name=cloudflare-ech.com
SOA	`danica.ns.cloudflare.com`dns@cloudflare.com serial=2407545661

`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=1782169305

Previously MX for

studybest.com

Same first word

studybest.com

Similar names

beststudy.tw

beststudy.com

beststudy.cn

DNS History

25 records (7 active, 18 former)

●NSdanica.ns.cloudflare.com2026-02-27 → 2026-06-22 · 3 obs

○ 2021-05-17 05:26:16
● 2026-02-27 17:58:28
● 2026-06-22 23:27:44

●NSkeanu.ns.cloudflare.com2026-02-27 → 2026-06-22 · 3 obs

○ 2021-05-17 05:26:16
● 2026-02-27 17:58:28
● 2026-06-22 23:27:44

○NSns1.ieltss.com2015-06-07 → 2017-09-13 · 5 obs

○ 2007-11-05 11:08:08
● 2015-06-07 00:13:44
● 2017-09-13 10:28:52
○ 2021-05-17 05:26:16
○ 2026-06-22 23:27:44

○NSns1199.whukns.com2021-05-17 → 2021-05-17 · 4 obs

○ 2017-09-13 10:28:52
● 2021-05-17 05:26:16
○ 2026-02-27 17:58:28
○ 2026-06-22 23:27:44

○NSns1200.whukns.com2021-05-17 → 2021-05-17 · 4 obs

○ 2017-09-13 10:28:52
● 2021-05-17 05:26:16
○ 2026-02-27 17:58:28
○ 2026-06-22 23:27:44

○NSns2.ieltss.com2015-06-07 → 2017-09-13 · 5 obs

○ 2007-11-05 11:08:08
● 2015-06-07 00:13:44
● 2017-09-13 10:28:52
○ 2021-05-17 05:26:16
○ 2026-06-22 23:27:44

○NSns3.whois.co.kr2007-11-05 → 2007-11-05 · 3 obs

● 2007-11-05 11:08:08
○ 2015-06-07 00:13:44
○ 2026-06-22 23:27:44

○NSns4.whois.co.kr2007-11-05 → 2007-11-05 · 3 obs

● 2007-11-05 11:08:08
○ 2015-06-07 00:13:44
○ 2026-06-22 23:27:44

●MX_dc-mx.91e0e6ede07d.studybest.com2026-02-27 → 2026-06-22 · 3 obs

○ 2021-05-17 05:26:16
● 2026-02-27 17:58:28
● 2026-06-22 23:27:44

○MXalt1.aspmx.l.google.com2015-09-18 → 2015-10-06 · 5 obs

○ 2007-11-05 11:08:08
● 2015-09-18 13:07:48
● 2015-10-06 12:02:04
○ 2015-11-19 00:34:16
○ 2026-06-22 23:27:44

○MXalt2.aspmx.l.google.com2015-09-18 → 2015-10-06 · 5 obs

○ 2007-11-05 11:08:08
● 2015-09-18 13:07:48
● 2015-10-06 12:02:04
○ 2015-11-19 00:34:16
○ 2026-06-22 23:27:44

○MXaspmx.l.google.com2015-09-18 → 2015-10-06 · 5 obs

○ 2007-11-05 11:08:08
● 2015-09-18 13:07:48
● 2015-10-06 12:02:04
○ 2015-11-19 00:34:16
○ 2026-06-22 23:27:44

○MXaspmx2.googlemail.com2015-09-18 → 2015-10-06 · 5 obs

○ 2007-11-05 11:08:08
● 2015-09-18 13:07:48
● 2015-10-06 12:02:04
○ 2015-11-19 00:34:16
○ 2026-06-22 23:27:44

○MXaspmx3.googlemail.com2015-09-18 → 2015-10-06 · 5 obs

○ 2007-11-05 11:08:08
● 2015-09-18 13:07:48
● 2015-10-06 12:02:04
○ 2015-11-19 00:34:16
○ 2026-06-22 23:27:44

○MXstudybest.com2015-06-07 → 2021-05-17 · 7 obs

○ 2007-11-05 11:08:08
● 2015-06-07 00:13:44
○ 2015-09-18 13:07:48
○ 2017-09-13 10:28:52
● 2021-05-17 05:26:16
○ 2026-02-27 17:58:28
○ 2026-06-22 23:27:44

●A104.21.77.962026-02-27 → 2026-06-22 · 6 obs

○ 2021-05-17 05:26:16
● 2026-02-27 17:58:28
● 2026-03-21 01:10:28
○ 2026-03-23 19:17:30
● 2026-03-25 17:33:52
● 2026-06-22 23:27:44

○A109.75.166.162015-06-07 → 2017-09-13 · 5 obs

○ 2007-11-05 11:08:08
● 2015-06-07 00:13:44
● 2017-09-13 10:28:52
○ 2021-05-17 05:26:16
○ 2026-06-22 23:27:44

●A172.67.206.1182026-02-27 → 2026-06-22 · 6 obs

○ 2021-05-17 05:26:16
● 2026-02-27 17:58:28
● 2026-03-21 01:10:28
○ 2026-03-23 19:17:30
● 2026-03-25 17:33:52
● 2026-06-22 23:27:44

○A188.114.96.02026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-21 01:10:28
● 2026-03-23 19:17:30
○ 2026-03-25 17:33:52
○ 2026-06-22 23:27:44

○A188.114.97.02026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-21 01:10:28
● 2026-03-23 19:17:30
○ 2026-03-25 17:33:52
○ 2026-06-22 23:27:44

○A213.175.208.1872021-05-17 → 2021-05-17 · 4 obs

○ 2017-09-13 10:28:52
● 2021-05-17 05:26:16
○ 2026-02-27 17:58:28
○ 2026-06-22 23:27:44

●A2606:4700:3036::ac43:ce762026-02-27 → 2026-06-22 · 6 obs

○ 2021-05-17 05:26:16
● 2026-02-27 17:58:28
● 2026-03-21 01:10:28
○ 2026-03-23 19:17:30
● 2026-03-25 17:33:52
● 2026-06-22 23:27:44

●A2606:4700:3037::6815:4d602026-02-27 → 2026-06-22 · 6 obs

○ 2021-05-17 05:26:16
● 2026-02-27 17:58:28
● 2026-03-21 01:10:28
○ 2026-03-23 19:17:30
● 2026-03-25 17:33:52
● 2026-06-22 23:27:44

○A2a06:98c1:3120::2026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-21 01:10:28
● 2026-03-23 19:17:30
○ 2026-03-25 17:33:52
○ 2026-06-22 23:27:44

○A2a06:98c1:3121::2026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-21 01:10:28
● 2026-03-23 19:17:30
○ 2026-03-25 17:33:52
○ 2026-06-22 23:27:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studybest.com	danica.ns.cloudflare.com, keanu.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.167

NS records: danica.ns.cloudflare.com, keanu.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studybest.com (unsigned zone)

⏱️ Timing

Total: 185ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.206.118, 104.21.77.96`
AAAA	2	`2606:4700:3037::6815:4d60, 2606:4700:3036::ac43:ce76`
NS	2	`danica.ns.cloudflare.com, keanu.ns.cloudflare.com`
MX	1	`_dc-mx.91e0e6ede07d.studybest.com (pri:`
TXT	2	`_globalsign-domain-verification=T_a7h3Oi, v=spf1 ip4:161.97.150.98 ip4:221.121.154`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`danica.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studybest.com directs to four IP numbers, which are 104.21.77.96, 172.67.206.118, 2606:4700:3036::ac43:ce76 and 2606:4700:3037::6815:4d60.

minimise-me.com, facebooksupport.tempisite.com, www.gazabhindi.com and two other host names share IP numbers with studybest.com.

Name Servers

DNS delegation for studybest.com points to two name servers: danica.ns.cloudflare.com and keanu.ns.cloudflare.com.

studybest.com uses the same name servers as several other domains — among them studyenglishinaustralia.com, tharovanquex.com, awz.com and two more.

There is at least partial name server overlap between studybest.com and other domains — pointer.io, iplwinx.com, poefest.org and two more among them.

The name servers ganz.ns.cloudflare.com, pablo.ns.cloudflare.com and maya.ns.cloudflare.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

danica.ns.cloudflare.com has IP addresses 108.162.194.187, 162.159.38.187 and 172.64.34.187, plus 3 other.

keanu.ns.cloudflare.com has IP addresses 108.162.195.167, 162.159.44.167 and 172.64.35.167, plus 3 other.

Mail Servers

Mail for studybest.com is handled by a single mail server, _dc-mx.91e0e6ede07d.studybest.com.

_dc-mx.91e0e6ede07d.studybest.com has exactly one IP number: 221.121.154.23.