hackerrank.org - dns.ninja

`hackerrank.org`

DNSSEC	⚠️ Not signed
NS	`ns-1070.awsdns-05.org` ⭐
		A	2600:9000:5304:2e00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1070.awsdns-05.org`
		A	205.251.196.46^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1070.awsdns-05.org`
NS	`ns-138.awsdns-17.com`
		A	2600:9000:5300:8a00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-138.awsdns-17.com`
		A	205.251.192.138^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-138.awsdns-17.com`
NS	`ns-2038.awsdns-62.co.uk`
		A	2600:9000:5307:f600::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2038.awsdns-62.co.uk`
		A	205.251.199.246^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2038.awsdns-62.co.uk`
NS	`ns-907.awsdns-49.net`
		A	2600:9000:5303:8b00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-907.awsdns-49.net`
		A	205.251.195.139^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-907.awsdns-49.net`
SOA	`ns-1070.awsdns-05.org`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1782086092

Same first word

hackerrank.co

hackerrank.net

hackerrank.link

hackerrank.org

hackerrank.com

hackerrank.io

Similar names

rankhacker.com

DNS History

9 records (4 active, 5 former)

●NSns-1070.awsdns-05.org2020-01-13 → 2026-06-22 · 3 obs

○ 2017-02-04 20:09:20
● 2020-01-13 21:22:38
● 2026-06-22 00:05:40

●NSns-138.awsdns-17.com2020-01-13 → 2026-06-22 · 3 obs

○ 2017-02-04 20:09:20
● 2020-01-13 21:22:38
● 2026-06-22 00:05:40

●NSns-2038.awsdns-62.co.uk2020-01-13 → 2026-06-22 · 3 obs

○ 2017-02-04 20:09:20
● 2020-01-13 21:22:38
● 2026-06-22 00:05:40

●NSns-907.awsdns-49.net2020-01-13 → 2026-06-22 · 3 obs

○ 2017-02-04 20:09:20
● 2020-01-13 21:22:38
● 2026-06-22 00:05:40

○NSns1stv.name.com2017-02-04 → 2017-02-04 · 3 obs

● 2017-02-04 20:09:20
○ 2020-01-13 21:22:38
○ 2026-06-22 00:05:40

○NSns2jqz.name.com2017-02-04 → 2017-02-04 · 3 obs

● 2017-02-04 20:09:20
○ 2020-01-13 21:22:38
○ 2026-06-22 00:05:40

○NSns3cgw.name.com2017-02-04 → 2017-02-04 · 3 obs

● 2017-02-04 20:09:20
○ 2020-01-13 21:22:38
○ 2026-06-22 00:05:40

○NSns4cfn.name.com2017-02-04 → 2017-02-04 · 3 obs

● 2017-02-04 20:09:20
○ 2020-01-13 21:22:38
○ 2026-06-22 00:05:40

○A69.64.147.2422015-06-11 → 2017-02-04 · 4 obs

● 2015-06-11 09:34:10
● 2017-02-04 20:09:20
○ 2020-01-13 21:22:38
○ 2026-06-22 00:05:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
hackerrank.org	ns-138.awsdns-17.com, ns-907.awsdns-49.net, ns-1070.awsdns-05.org, ns-2038.awsdns-62.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.246

NS records: ns-138.awsdns-17.com, ns-907.awsdns-49.net, ns-1070.awsdns-05.org, ns-2038.awsdns-62.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hackerrank.org (unsigned zone)

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1070.awsdns-05.org, ns-138.awsdns-17.com...`
SOA	1	`ns-1070.awsdns-05.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1070.awsdns-05.org, ns-1070.awsdns-05.org)

Analysis

Name Servers

The NS records for hackerrank.org point to four name servers: ns-138.awsdns-17.com, ns-907.awsdns-49.net, ns-1070.awsdns-05.org and ns-2038.awsdns-62.co.uk.

At least some of hackerrank.org's name servers are shared with other domains, for example viivclaims.com, momsvsmeningitis.com, jollsoft.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns-87.awsdns-10.com, ns-999.awsdns-60.net and ns-1601.awsdns-08.co.uk.

Four hostnames, each resolving to a pair of IP addresses: ns-138.awsdns-17.com directs to 205.251.192.138 and 2600:9000:5300:8a00::1; ns-907.awsdns-49.net directs to 205.251.195.139 and 2600:9000:5303:8b00::1; ns-1070.awsdns-05.org directs to 205.251.196.46 and 2600:9000:5304:2e00::1; ns-2038.awsdns-62.co.uk directs to 205.251.199.246 and 2600:9000:5307:f600::1.