onlineinterviewprep.com - dns.ninja

`onlineinterviewprep.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-426.awsdns-53.com` ⭐
		A	2600:9000:5301:aa00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-426.awsdns-53.com`
		A	205.251.193.170^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-426.awsdns-53.com`
NS	`ns-1425.awsdns-50.org`
		A	2600:9000:5305:9100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1425.awsdns-50.org`
		A	205.251.197.145^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1425.awsdns-50.org`
NS	`ns-1753.awsdns-27.co.uk`
		A	2600:9000:5306:d900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1753.awsdns-27.co.uk`
		A	205.251.198.217^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1753.awsdns-27.co.uk`
NS	`ns-997.awsdns-60.net`
		A	2600:9000:5303:e500::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-997.awsdns-60.net`
		A	205.251.195.229^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-997.awsdns-60.net`
SOA	`ns-426.awsdns-53.com`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=1786251109

Same first word

onlineinterviewprep.com

DNS History

11 records (5 active, 6 former)

●NSns-1425.awsdns-50.org2020-03-14 → 2026-08-09 · 3 obs

○ 2017-04-03 13:29:16
● 2020-03-14 12:55:30
● 2026-08-09 05:20:32

●NSns-1753.awsdns-27.co.uk2020-03-14 → 2026-08-09 · 3 obs

○ 2017-04-03 13:29:16
● 2020-03-14 12:55:30
● 2026-08-09 05:20:32

●NSns-426.awsdns-53.com2020-03-14 → 2026-08-09 · 3 obs

○ 2017-04-03 13:29:16
● 2020-03-14 12:55:30
● 2026-08-09 05:20:32

●NSns-997.awsdns-60.net2020-03-14 → 2026-08-09 · 3 obs

○ 2017-04-03 13:29:16
● 2020-03-14 12:55:30
● 2026-08-09 05:20:32

○NSns63.domaincontrol.com2015-08-15 → 2017-04-03 · 4 obs

● 2015-08-15 02:23:54
● 2017-04-03 13:29:16
○ 2020-03-14 12:55:30
○ 2026-08-09 05:20:32

○NSns64.domaincontrol.com2015-08-15 → 2017-04-03 · 4 obs

● 2015-08-15 02:23:54
● 2017-04-03 13:29:16
○ 2020-03-14 12:55:30
○ 2026-08-09 05:20:32

○MXmailstore1.secureserver.net2015-08-15 → 2017-04-03 · 4 obs

● 2015-08-15 02:23:54
● 2017-04-03 13:29:16
○ 2020-03-14 12:55:30
○ 2026-08-09 05:20:32

○MXsmtp.secureserver.net2015-08-15 → 2017-04-03 · 4 obs

● 2015-08-15 02:23:54
● 2017-04-03 13:29:16
○ 2020-03-14 12:55:30
○ 2026-08-09 05:20:32

○A184.168.221.102017-04-03 → 2017-04-03 · 4 obs

○ 2016-07-19 04:52:02
● 2017-04-03 13:29:16
○ 2020-03-14 12:55:30
○ 2026-08-09 05:20:32

●A23.23.159.272020-03-14 → 2026-08-09 · 3 obs

○ 2017-04-03 13:29:16
● 2020-03-14 12:55:30
● 2026-08-09 05:20:32

○A50.63.202.32015-08-15 → 2016-07-19 · 4 obs

● 2015-08-15 02:23:54
● 2016-07-19 04:52:02
○ 2017-04-03 13:29:16
○ 2026-08-09 05:20:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
onlineinterviewprep.com	ns-426.awsdns-53.com, ns-997.awsdns-60.net, ns-1753.awsdns-27.co.uk, ns-1425.awsdns-50.org	2 records

✅ Authoritative Response

Server:205.251.198.217

NS records: ns-426.awsdns-53.com, ns-997.awsdns-60.net, ns-1753.awsdns-27.co.uk, ns-1425.awsdns-50.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onlineinterviewprep.com (unsigned zone)

⏱️ Timing

Total: 357ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.23.159.27`
NS	4	`ns-1425.awsdns-50.org, ns-1753.awsdns-27.co.uk...`
SOA	1	`ns-426.awsdns-53.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-426.awsdns-53.com, ns-426.awsdns-53.com)

Analysis

IP Addresses

onlineinterviewprep.com points to a single IP number: 23.23.159.27.

Additional host names — ivmessage.net, jobidol.com, interveiwstream.com and two others — share IP numbers with onlineinterviewprep.com.

Name Servers

onlineinterviewprep.com has four authoritative name servers: ns-426.awsdns-53.com, ns-997.awsdns-60.net, ns-1425.awsdns-50.org and ns-1753.awsdns-27.co.uk.

The name servers of onlineinterviewprep.com overlap at least partially with those of other domains — among them agc-jns.swiftserve.com, greenesflowershoppe.com, takanawagateway-city-residence.jp and two more.

Each of the four hosts ns-426.awsdns-53.com, ns-997.awsdns-60.net, ns-1425.awsdns-50.org and ns-1753.awsdns-27.co.uk has two IP addresses. ns-426.awsdns-53.com points to 205.251.193.170 and 2600:9000:5301:aa00::1. ns-997.awsdns-60.net points to 205.251.195.229 and 2600:9000:5303:e500::1. ns-1425.awsdns-50.org points to 205.251.197.145 and 2600:9000:5305:9100::1. ns-1753.awsdns-27.co.uk points to 205.251.198.217 and 2600:9000:5306:d900::1.