`studyscorecalculator.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:879e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1a4b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.75^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.158^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`donna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c097^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2097^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donna.ns.cloudflare.com`
		A	108.162.192.151^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	172.64.32.151^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	173.245.58.151^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
NS	`mustafa.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c1b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mustafa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c31b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mustafa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:231b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mustafa.ns.cloudflare.com`
		A	108.162.195.27^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mustafa.ns.cloudflare.com`
		A	162.159.44.27^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mustafa.ns.cloudflare.com`
		A	172.64.35.27^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mustafa.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.26.75, 172.67.135.158
		IPv6	2606:4700:3034::ac43:879e, 2606:4700:3035::6815:1a4b
SOA	`donna.ns.cloudflare.com`dns@cloudflare.com serial=2396388359

`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=1771291435

rank #710975 globally
rank #324211 in the tld

Same first word

studyscorecalculator.com

DNS History

15 records (6 active, 9 former)

●NSdonna.ns.cloudflare.com2026-03-19 → 2026-03-24 · 3 obs

○ 2018-11-03 11:25:20
● 2026-03-19 19:41:02
● 2026-03-24 08:48:24

●NSmustafa.ns.cloudflare.com2026-03-19 → 2026-03-24 · 3 obs

○ 2018-11-03 11:25:20
● 2026-03-19 19:41:02
● 2026-03-24 08:48:24

○NSns49.domaincontrol.com2018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

○NSns50.domaincontrol.com2018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

●A104.21.26.752026-03-19 → 2026-03-24 · 3 obs

○ 2018-11-03 11:25:20
● 2026-03-19 19:41:02
● 2026-03-24 08:48:24

●A172.67.135.1582026-03-19 → 2026-03-24 · 3 obs

○ 2018-11-03 11:25:20
● 2026-03-19 19:41:02
● 2026-03-24 08:48:24

○A184.168.221.362018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

○A184.168.221.392018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

○A184.168.221.402018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

○A184.168.221.452018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

○A184.168.221.462018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

●A2606:4700:3034::ac43:879e2026-03-19 → 2026-03-24 · 3 obs

○ 2018-11-03 11:25:20
● 2026-03-19 19:41:02
● 2026-03-24 08:48:24

●A2606:4700:3035::6815:1a4b2026-03-19 → 2026-03-24 · 3 obs

○ 2018-11-03 11:25:20
● 2026-03-19 19:41:02
● 2026-03-24 08:48:24

○A50.63.202.362018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

○A50.63.202.632018-11-03 → 2018-11-03 · 3 obs

● 2018-11-03 11:25:20
○ 2026-03-19 19:41:02
○ 2026-03-24 08:48:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studyscorecalculator.com	donna.ns.cloudflare.com, mustafa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.27

NS records: donna.ns.cloudflare.com, mustafa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyscorecalculator.com (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.75, 172.67.135.158`
AAAA	2	`2606:4700:3035::6815:1a4b, 2606:4700:3034::ac43:879e`
NS	2	`donna.ns.cloudflare.com, mustafa.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`donna.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studyscorecalculator.com resolves to four IP numbers: 2606:4700:3034::ac43:879e, 2606:4700:3035::6815:1a4b, 104.21.26.75 and 172.67.135.158.

Other host names such as namkaengice.com, exinl.com, hedu.cc, downblouse.it and 920www.3xqmuqr.top share IPs with studyscorecalculator.com.

Name Servers

studyscorecalculator.com is delegated to two name servers: donna.ns.cloudflare.com and mustafa.ns.cloudflare.com.

studyscorecalculator.com shares the same name server setup as sustainablenuclear.org, saitamania.net, captivesusa.com, creaturesofcommonplace.com and folio.com.ua.

studyscorecalculator.com at least partially shares name servers with other domains, for instance noustractes.com, sandmelody.com, genymobile.fr, etna.io and 889002.com.cn.

These name servers are commonly used together with elaine.ns.cloudflare.com, moura.ns.cloudflare.com and pablo.ns.cloudflare.com.

Host names with six IP numbers:

donna.ns.cloudflare.com points to 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151.

mustafa.ns.cloudflare.com points to 2606:4700:58::a29f:2c1b, 2803:f800:50::6ca2:c31b, 2a06:98c1:50::ac40:231b, 108.162.195.27, 162.159.44.27 and 172.64.35.27.

studyscorecalculator.com - robtex.com