mail.study.com - dns.ninja

`mail.study.com`

DNSSEC	⚠️ Not signed
A	54.174.92.121^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
		PTR	`mail.study.com`

`study.com`

	DNSSEC	⚠️ Not signed
	A	13.35.107.21^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
	A	13.35.107.36^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
	A	13.35.107.47^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
	A	13.35.107.67^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
	NS	`ns-392.awsdns-49.com` ⭐
	NS	`ns-1304.awsdns-35.org`
	NS	`ns-1779.awsdns-30.co.uk`
	NS	`ns-624.awsdns-14.net`
	MX	`study-com.mail.protection.outlook.com` ⭐
	TXT	`MS=ms53113204`
	TXT	`anthropic-domain-verification-rpq4ch=KMgCpOdKlhyxDcpnZpOYPqvaA`
	TXT	`apple-domain-verification=WU33XtJXYKYWBMFX`
	TXT	`cl_verification=c82fcdfd-f3e8-440e-a553-075ccfb9af20`
	TXT	`cursor-domain-verification-ny0f80=30Aq6N8hwrj7srchColYKffpq`
	TXT	`duo_sso_verification=MNU9cp5aDypJt2DBAGz4CAKM7ijf4ndFkFQGV5RXGAvm7TXuFTE8NryA...`
	TXT	`facebook-domain-verification=tsae1foie2qaareu3im55ce7f94um4`
	TXT	`google-site-verification=npT3ySvxTpGr9K-IVFznVPyvQGXizsuSqfZwZ6OM9sw`
	TXT	`jetbrains-domain-verification=873cp9sujsg84omvia609id4y`
	TXT	`notion-domain-verification=JVpsroUh51QRmm3c0qgf6BAlXGueQVsgk77WYIxsV4n`
	TXT	`openai-domain-verification=dv-pWizcYPDNLxMW4Cq4ZpH5Dig`
	TXT	`tinfoil-site-verification: 7f6e32f1d799323409819484f7f443d54ad67003=e5de9446f...`
	TXT	`v=spf1 ip4:54.165.180.232 include:transmail.net include:spf.clearslide.com in...`
	TXT	`zoho-verification=zb44730188.zmverify.zoho.com`
	SOA	`ns-392.awsdns-49.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (85/100)
rank #2272 globally
rank #1197 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #6,612

PTR for

227.194.172.54.in-addr.arpa

121.92.174.54.in-addr.arpa

Previously MX for

study.com

www.study.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A54.172.194.2272015-07-02 → 2016-01-26 · 4 obs

● 2015-07-02 21:41:24
● 2016-01-26 05:05:32
○ 2016-07-08 09:21:22
○ 2026-07-24 04:46:40

●A54.174.92.1212016-07-08 → 2026-07-24 · 3 obs

○ 2016-01-26 05:05:32
● 2016-07-08 09:21:22
● 2026-07-24 04:46:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
study.com	ns-624.awsdns-14.net, ns-392.awsdns-49.com, ns-1779.awsdns-30.co.uk, ns-1304.awsdns-35.org	2 records

✅ Authoritative Response

Server:205.251.198.243

NS records: ns-624.awsdns-14.net, ns-392.awsdns-49.com, ns-1779.awsdns-30.co.uk, ns-1304.awsdns-35.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study.com (unsigned zone)

⏱️ Timing

Total: 453ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.174.92.121`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-392.awsdns-49.com, ns-392.awsdns-49.com)

Analysis

IP Addresses

mail.study.com has exactly one IP address — 54.174.92.121.