exercisechallengeapp.com - dns.ninja

`exercisechallengeapp.com`

DNSSEC	⚠️ Not signed
A	13.35.107.38^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
		PTR	`server-13-35-107-38.phl51.r.cloudfront.net`
A	13.35.107.41^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.51^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.63^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
NS	`ns-295.awsdns-36.com` ⭐
		A	2600:9000:5301:2700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-295.awsdns-36.com`
		A	205.251.193.39^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-295.awsdns-36.com`
NS	`ns-1402.awsdns-47.org`
		A	2600:9000:5305:7a00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1402.awsdns-47.org`
		A	205.251.197.122^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1402.awsdns-47.org`
NS	`ns-1936.awsdns-50.co.uk`
		A	2600:9000:5307:9000::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1936.awsdns-50.co.uk`
		A	205.251.199.144^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1936.awsdns-50.co.uk`
NS	`ns-792.awsdns-35.net`
		A	2600:9000:5303:1800::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-792.awsdns-35.net`
		A	205.251.195.24^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-792.awsdns-35.net`
SOA	`ns-295.awsdns-36.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=1785437002

Same first word

exercisechallengeapp.com

DNS History

92 records (8 active, 84 former)

●NSns-1402.awsdns-47.org2026-02-18 → 2026-07-30 · 2 obs

● 2026-02-18 13:50:14
● 2026-07-30 18:56:04

●NSns-1936.awsdns-50.co.uk2026-02-18 → 2026-07-30 · 2 obs

● 2026-02-18 13:50:14
● 2026-07-30 18:56:04

●NSns-295.awsdns-36.com2026-02-18 → 2026-07-30 · 2 obs

● 2026-02-18 13:50:14
● 2026-07-30 18:56:04

●NSns-792.awsdns-35.net2026-02-18 → 2026-07-30 · 2 obs

● 2026-02-18 13:50:14
● 2026-07-30 18:56:04

○A108.139.113.1032026-04-14 → 2026-06-07 · 21 obs

○ 2026-04-13 18:26:46
● 2026-04-14 05:07:28
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○A108.139.113.1142026-04-14 → 2026-06-07 · 21 obs

○A108.139.113.702026-04-14 → 2026-06-07 · 21 obs

○A108.139.113.812026-04-14 → 2026-06-07 · 21 obs

○A108.139.163.232026-07-23 → 2026-07-27 · 14 obs

○ 2026-07-22 07:30:26
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○A108.139.163.822026-07-23 → 2026-07-27 · 14 obs

○A108.139.163.842026-07-23 → 2026-07-27 · 14 obs

○A108.139.163.962026-07-23 → 2026-07-27 · 14 obs

○A108.156.152.1102026-03-30 → 2026-07-30 · 33 obs

○ 2026-03-23 20:49:58
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○A108.156.152.1212026-03-30 → 2026-07-30 · 33 obs

○A108.156.152.512026-03-30 → 2026-07-30 · 33 obs

○A108.156.152.852026-03-30 → 2026-07-30 · 33 obs

○A108.156.46.1212026-02-18 → 2026-06-30 · 44 obs

● 2026-02-18 13:50:14
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○A108.156.46.412026-02-18 → 2026-06-30 · 44 obs

○A108.156.46.462026-02-18 → 2026-06-30 · 44 obs

○A108.156.46.792026-02-18 → 2026-06-30 · 44 obs

○A108.156.85.1162026-06-16 → 2026-07-28 · 9 obs

○ 2026-06-15 23:16:26
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○A108.156.85.422026-06-16 → 2026-07-28 · 9 obs

○A108.156.85.432026-06-16 → 2026-07-28 · 9 obs

○A108.156.85.962026-06-16 → 2026-07-28 · 9 obs

○A13.227.207.232026-03-30 → 2026-07-30 · 46 obs

○ 2026-03-30 07:55:30
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○A13.227.207.242026-03-30 → 2026-07-30 · 46 obs

○A13.227.207.332026-03-30 → 2026-07-30 · 46 obs

○A13.227.207.912026-03-30 → 2026-07-30 · 46 obs

○A13.32.230.1132026-02-26 → 2026-07-25 · 36 obs

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○A13.32.230.122026-02-26 → 2026-07-25 · 36 obs

○A13.32.230.132026-02-26 → 2026-07-25 · 36 obs

○A13.32.230.972026-02-26 → 2026-07-25 · 36 obs

○A13.33.129.142026-05-03 → 2026-05-18 · 17 obs

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○A13.33.129.832026-05-03 → 2026-05-18 · 17 obs

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○A13.33.129.922026-05-03 → 2026-05-18 · 17 obs

○A13.33.82.1012026-04-21 → 2026-05-10 · 22 obs

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○A13.33.82.1192026-04-21 → 2026-05-10 · 22 obs

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○A13.33.82.172026-04-21 → 2026-05-10 · 22 obs

●A13.35.107.382026-07-13 → 2026-07-30 · 21 obs

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●A13.35.107.412026-07-13 → 2026-07-30 · 21 obs

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●A13.35.107.632026-07-13 → 2026-07-30 · 21 obs

○A18.161.205.172026-04-10 → 2026-04-10 · 4 obs

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○A18.161.205.182026-04-10 → 2026-04-10 · 4 obs

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○A18.161.205.572026-04-10 → 2026-04-10 · 4 obs

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○A18.161.205.602026-04-10 → 2026-04-10 · 4 obs

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○A18.161.34.1082026-05-11 → 2026-05-20 · 19 obs

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○A18.161.34.202026-05-11 → 2026-05-20 · 19 obs

○A18.161.34.672026-05-11 → 2026-05-20 · 19 obs

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○A18.164.116.1172026-03-08 → 2026-03-22 · 8 obs

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○A18.164.116.592026-03-08 → 2026-03-22 · 8 obs

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○A18.164.116.652026-03-08 → 2026-03-22 · 8 obs

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○A18.164.116.72026-03-08 → 2026-03-22 · 8 obs

○ 2026-03-08 16:04:44
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○A18.165.227.1212026-03-18 → 2026-04-26 · 7 obs

○ 2026-03-17 02:20:08
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○A18.165.227.182026-03-18 → 2026-04-26 · 7 obs

○ 2026-03-17 02:20:08
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○A18.165.227.42026-03-18 → 2026-04-26 · 7 obs

○ 2026-03-17 02:20:08
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○A18.165.227.672026-03-18 → 2026-04-26 · 7 obs

○ 2026-03-17 02:20:08
● 2026-03-18 06:44:56
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○A18.245.175.1272026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-26 18:52:50
● 2026-07-27 06:33:38
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○A18.245.175.532026-07-27 → 2026-07-27 · 4 obs

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○A18.245.175.622026-07-27 → 2026-07-27 · 4 obs

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○A18.245.175.922026-07-27 → 2026-07-27 · 4 obs

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○A18.64.119.482026-03-23 → 2026-03-23 · 4 obs

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○A18.64.119.722026-03-23 → 2026-03-23 · 4 obs

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○A18.64.119.762026-03-23 → 2026-03-23 · 4 obs

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○A18.64.119.82026-03-23 → 2026-03-23 · 4 obs

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○A18.64.183.112026-05-20 → 2026-07-01 · 20 obs

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○A18.64.183.1132026-05-20 → 2026-07-01 · 20 obs

○A18.64.183.672026-05-20 → 2026-07-01 · 20 obs

○A18.64.183.822026-05-20 → 2026-07-01 · 20 obs

○A18.66.171.172026-03-22 → 2026-03-22 · 5 obs

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○A18.66.171.182026-03-22 → 2026-03-22 · 5 obs

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○A18.66.171.452026-03-22 → 2026-03-22 · 5 obs

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○A18.66.171.812026-03-22 → 2026-03-22 · 5 obs

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○A3.164.206.1212026-07-12 → 2026-07-19 · 8 obs

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○A3.164.206.1252026-07-12 → 2026-07-19 · 8 obs

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○A3.164.206.362026-07-12 → 2026-07-19 · 8 obs

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○A3.164.206.652026-07-12 → 2026-07-19 · 8 obs

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○A3.171.61.1162026-02-28 → 2026-07-10 · 40 obs

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○A65.9.168.1122026-05-27 → 2026-05-28 · 7 obs

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○A65.9.168.262026-05-27 → 2026-05-28 · 7 obs

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○A65.9.168.42026-05-27 → 2026-05-28 · 7 obs

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○A65.9.168.832026-05-27 → 2026-05-28 · 7 obs

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○A99.84.215.292026-02-18 → 2026-07-30 · 2 obs

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○A99.84.215.752026-02-18 → 2026-07-30 · 2 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
exercisechallengeapp.com	ns-295.awsdns-36.com, ns-792.awsdns-35.net, ns-1936.awsdns-50.co.uk, ns-1402.awsdns-47.org	2 records

✅ Authoritative Response

Server:205.251.193.39

NS records: ns-295.awsdns-36.com, ns-792.awsdns-35.net, ns-1936.awsdns-50.co.uk, ns-1402.awsdns-47.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exercisechallengeapp.com (unsigned zone)

⏱️ Timing

Total: 441ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.51, 13.35.107.63...`
NS	4	`ns-1402.awsdns-47.org, ns-1936.awsdns-50.co.uk...`
SOA	1	`ns-295.awsdns-36.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-295.awsdns-36.com, ns-295.awsdns-36.com)

Analysis

IP Addresses

exercisechallengeapp.com points to the four IP addresses 13.35.107.38, 13.35.107.41, 13.35.107.51 and 13.35.107.63.

Among the host names that share IP numbers with exercisechallengeapp.com are nrw.ebizautos.com, eathubs.com, crm.app.acorns.com and two others.

Name Servers

The domain exercisechallengeapp.com is delegated to these four name servers: ns-295.awsdns-36.com, ns-792.awsdns-35.net, ns-1402.awsdns-47.org and ns-1936.awsdns-50.co.uk.

There is at least partial name server overlap between exercisechallengeapp.com and other domains — iponet.com.br, ourex.fi, jdsa.jp and two more among them.

All four hostnames — ns-295.awsdns-36.com, ns-792.awsdns-35.net, ns-1402.awsdns-47.org and ns-1936.awsdns-50.co.uk — resolve to two IP numbers apiece: ns-295.awsdns-36.com to 205.251.193.39 and 2600:9000:5301:2700::1; ns-792.awsdns-35.net to 205.251.195.24 and 2600:9000:5303:1800::1; ns-1402.awsdns-47.org to 205.251.197.122 and 2600:9000:5305:7a00::1; ns-1936.awsdns-50.co.uk to 205.251.199.144 and 2600:9000:5307:9000::1.