`mx3.study.buyteachusa.com`

DNSSEC	⚠️ Not signed
A	207.244.157.90^{🇺🇸 AS27323207.244.157.0/24 PNAP-SEF wowtech-routes}
		PTR	`207.244.157.90-reverse.wowrack.com`

`study.buyteachusa.com`

	DNSSEC	⚠️ Not signed
	A	207.244.157.52^{🇺🇸 AS27323207.244.157.0/24 PNAP-SEF wowtech-routes}
	MX	`mx1.study.buyteachusa.com` ⭐
	MX	`mx3.study.buyteachusa.com`⁽³⁰⁾
	TXT	`google-site-verification=XrBgOo_CCGheSlnMzlyLbbUEmSCbGcbU0CJo9JTRkCI`
	TXT	`yahoo-verification-key=lO6WD7fwr4QrFENhqqo8+J0h5syoWwrP2oewmjTbO18=`
	TXT	`v=spf1 ip4:88.99.8.197/32 ip4:88.99.8.198/32 ip4:88.99.8.199/32 ip4:8.22.46.5...`

MX for

study.buyteachusa.com

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DNS History

1 record (1 active, 0 former)

●A207.244.157.902026-05-12 → 2026-05-14 · 2 obs

● 2026-05-12 23:48:06
● 2026-05-14 05:28:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net...	-
buyteachusa.com	ns66.domaincontrol.com, ns65.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.102.43

NS records: ns66.domaincontrol.com, ns65.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buyteachusa.com (unsigned zone)

⏱️ Timing

Total: 425ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.244.157.90`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns66.domaincontrol.com, ns66.domaincontrol.com, ns65.domaincontrol.com...)

Analysis

Mail Server Role

mx3.study.buyteachusa.com acts as a mail server for study.buyteachusa.com.

mx1.study.buyteachusa.com is commonly used as a mail server in conjunction with mx3.study.buyteachusa.com.

IP Addresses

mx3.study.buyteachusa.com points to a single IP number: 207.244.157.90.

Other host names, for instance mx1.coreclarityhub.com and mx3.prizestashpro.com, share IP numbers with mx3.study.buyteachusa.com.

mx3.study.buyteachusa.com - robtex.com