`mail.lecturabooks.com`

DNSSEC	⚠️ Not signed
A	24.199.13.221^{🇺🇸 Roadrunner24.199.0.0/18 RR-Route}
		PTR	`mail.lecturabooks.com`

`lecturabooks.com`

	DNSSEC	⚠️ Not signed
	A	72.167.39.219^{🇺🇸 AS39810172.167.32.0/20}
	NS	`dns1.registrar-servers.com` ⭐
	NS	`dns2.registrar-servers.com`
	MX	`mx1-us1.ppe-hosted.com` ⭐
	MX	`mx2-us1.ppe-hosted.com`⁽²⁰⁾
	TXT	`ppe-846c948d69865875dbb8`
	TXT	`t9fine5kq7a3o0qshsgbri6vm7`
	TXT	`facebook-domain-verification=jgwillh5z0pknv2vsjjq3wd94ms1kt`
	TXT	`v=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net ~all`
	TXT	`google-site-verification=5dT6C3BopRXAhsr3HJHBlfqqyz3OfhCh5_eQWnBGvHc`
	TXT	`google-site-verification=8GBf5r9vhlzXNhl_O5VynRojqGMUGQ-D1cE1ttKT66g`
	TXT	`google-site-verification=ymQIzwKYtvKHakH-U3CWC-BC2nN6HP4bQPUKLWwEaYI`
	SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1747078355

WOT: SAFE (60/100)

PTR for

221.13.199.24.in-addr.arpa

Same first word

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imal.se

DNS History

1 record (1 active, 0 former)

●A24.199.13.2212015-07-13 → 2026-05-10 · 2 obs

● 2015-07-13 15:14:48
● 2026-05-10 12:16:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
lecturabooks.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lecturabooks.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`24.199.13.221`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

mail.lecturabooks.com points to a single IP number: 24.199.13.221.

mail.lecturabooks.com - robtex.com