isprep.com - dns.ninja

`isprep.com`

DNSSEC	⚠️ Not signed
A	23.23.159.27^{🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix}
		PTR	`ec2-23-23-159-27.compute-1.amazonaws.com`
NS	`ns-761.awsdns-31.net` ⭐
		A	2600:9000:5302:f900::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-761.awsdns-31.net`
		A	205.251.194.249^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-761.awsdns-31.net`
NS	`ns-1173.awsdns-18.org`
		A	2600:9000:5304:9500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1173.awsdns-18.org`
		A	205.251.196.149^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1173.awsdns-18.org`
NS	`ns-1831.awsdns-36.co.uk`
		A	2600:9000:5307:2700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1831.awsdns-36.co.uk`
		A	205.251.199.39^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1831.awsdns-36.co.uk`
NS	`ns-482.awsdns-60.com`
		A	2600:9000:5301:e200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-482.awsdns-60.com`
		A	205.251.193.226^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-482.awsdns-60.com`
SOA	`ns-761.awsdns-31.net`awsdns-hostmaster@amazon.com serial=1

`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=1784944327

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DNS History

11 records (5 active, 6 former)

●NSns-1173.awsdns-18.org2019-04-03 → 2026-07-25 · 3 obs

○ 2017-01-30 00:45:36
● 2019-04-03 22:40:06
● 2026-07-25 02:04:42

●NSns-1831.awsdns-36.co.uk2019-04-03 → 2026-07-25 · 3 obs

○ 2017-01-30 00:45:36
● 2019-04-03 22:40:06
● 2026-07-25 02:04:42

●NSns-482.awsdns-60.com2019-04-03 → 2026-07-25 · 3 obs

○ 2017-01-30 00:45:36
● 2019-04-03 22:40:06
● 2026-07-25 02:04:42

●NSns-761.awsdns-31.net2019-04-03 → 2026-07-25 · 3 obs

○ 2017-01-30 00:45:36
● 2019-04-03 22:40:06
● 2026-07-25 02:04:42

○NSns45.domaincontrol.com2015-06-29 → 2017-01-30 · 5 obs

○ 2008-11-03 06:38:06
● 2015-06-29 02:52:48
● 2017-01-30 00:45:36
○ 2019-04-03 22:40:06
○ 2026-07-25 02:04:42

○NSns46.domaincontrol.com2015-06-29 → 2017-01-30 · 5 obs

○ 2008-11-03 06:38:06
● 2015-06-29 02:52:48
● 2017-01-30 00:45:36
○ 2019-04-03 22:40:06
○ 2026-07-25 02:04:42

○MXmailstore1.secureserver.net2015-06-29 → 2017-01-30 · 5 obs

○ 2008-11-03 06:38:06
● 2015-06-29 02:52:48
● 2017-01-30 00:45:36
○ 2019-04-03 22:40:06
○ 2026-07-25 02:04:42

○MXsmtp.secureserver.net2015-06-29 → 2017-01-30 · 5 obs

○ 2008-11-03 06:38:06
● 2015-06-29 02:52:48
● 2017-01-30 00:45:36
○ 2019-04-03 22:40:06
○ 2026-07-25 02:04:42

●A23.23.159.272019-04-03 → 2026-07-25 · 3 obs

○ 2017-01-30 00:45:36
● 2019-04-03 22:40:06
● 2026-07-25 02:04:42

○A50.63.202.222017-01-30 → 2017-01-30 · 4 obs

○ 2016-06-23 08:09:30
● 2017-01-30 00:45:36
○ 2019-04-03 22:40:06
○ 2026-07-25 02:04:42

○A50.63.202.62015-06-29 → 2016-06-23 · 5 obs

○ 2008-11-03 06:38:06
● 2015-06-29 02:52:48
● 2016-06-23 08:09:30
○ 2017-01-30 00:45:36
○ 2026-07-25 02:04:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
isprep.com	ns-761.awsdns-31.net, ns-482.awsdns-60.com, ns-1173.awsdns-18.org, ns-1831.awsdns-36.co.uk	2 records

✅ Authoritative Response

Server:205.251.194.249

NS records: ns-761.awsdns-31.net, ns-482.awsdns-60.com, ns-1173.awsdns-18.org, ns-1831.awsdns-36.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isprep.com (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.23.159.27`
NS	4	`ns-1173.awsdns-18.org, ns-1831.awsdns-36.co.uk...`
SOA	1	`ns-761.awsdns-31.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-482.awsdns-60.com, ns-482.awsdns-60.com)

Analysis

IP Addresses

isprep.com resolves to just one IP address, 23.23.159.27.

Two other host names, along with isprep.org, asyncrecruiting.net and videoats.com, also share IP numbers with isprep.com.

Name Servers

The NS records for isprep.com point to four name servers: ns-482.awsdns-60.com, ns-761.awsdns-31.net, ns-1173.awsdns-18.org and ns-1831.awsdns-36.co.uk.

isprep.com has at least partial name server overlap with other domains, such as getshopmail.com, color-free.com, d3kajwkpx8kvbq.cloudfront.net and two others.

These name servers tend to appear together with the name servers ns-204.awsdns-25.com, ns-1306.awsdns-35.org and ns-1716.awsdns-22.co.uk.

ns-482.awsdns-60.com, ns-761.awsdns-31.net, ns-1173.awsdns-18.org and ns-1831.awsdns-36.co.uk all point to exactly two IP numbers each: ns-482.awsdns-60.com → 205.251.193.226 and 2600:9000:5301:e200::1; ns-761.awsdns-31.net → 205.251.194.249 and 2600:9000:5302:f900::1; ns-1173.awsdns-18.org → 205.251.196.149 and 2600:9000:5304:9500::1; ns-1831.awsdns-36.co.uk → 205.251.199.39 and 2600:9000:5307:2700::1.