`prep-guide.com`

DNSSEC	⚠️ Not signed
NS	`ns1.manrev.net` ⚠️ Not in zone NS records
		A	2600:9000:5302:1d00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-541.awsdns-03.net`
		A	205.251.194.29^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-541.awsdns-03.net`
NS	`ns2.manrev.net` ⚠️ Not in zone NS records
		A	2600:9000:5301:4f00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-335.awsdns-41.com`
		A	205.251.193.79^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-335.awsdns-41.com`

`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=1776058567

Same first word

prep-guide.com

Similar names

ied-gruppe.ch

DNS History

2 records (2 active, 0 former)

●NSns1.manrev.net2026-03-23 → 2026-04-13 · 2 obs

● 2026-03-23 01:24:58
● 2026-04-13 05:49:44

●NSns2.manrev.net2026-03-23 → 2026-04-13 · 2 obs

● 2026-03-23 01:24:58
● 2026-04-13 05:49:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
prep-guide.com	ns1.manrev.net, ns2.manrev.net	-

✅ Authoritative Response

Server:205.251.193.79

NS records: ns1.manrev.net, ns2.manrev.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prep-guide.com (unsigned zone)

⏱️ Timing

Total: 280ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

prep-guide.com's delegation is to two name servers ns1.manrev.net and ns2.manrev.net.

prep-guide.com shares the same name server configuration as other domains, such as mba-center.at, forum-usa.de, toefl.fr, veritasprep.net and veritas-gmat.net.

prep-guide.com at least partially shares its name servers with other domains, for instance review-ca.com, manhattanreview.co.uk, manhattanreview.in, gmat.se and review.la.

these name servers are commonly used with the name servers ns3.manrev.net, ns4.manrev.net, ns1.mm-com.de, ns2.mm-com.de, ns1.meiss.net and ns2.meiss.net.

Host names with two IP numbers: ns1.manrev.net points to 2600:9000:5302:1d00::1 and 205.251.194.29; ns2.manrev.net points to 2600:9000:5301:4f00::1 and 205.251.193.79

prep-guide.com - robtex.com

prep-guide.com

com