code-exercises.com - dns.ninja

`code-exercises.com`

DNSSEC	⚠️ Not signed
A	3.174.83.5^{🇺🇸 Amazon3.174.80.0/21}
		PTR	`server-3-174-83-5.gru3.r.cloudfront.net`
A	3.174.83.11^{🇺🇸 Amazon3.174.80.0/21}
A	3.174.83.99^{🇺🇸 Amazon3.174.80.0/21}
A	3.174.83.101^{🇺🇸 Amazon3.174.80.0/21}
NS	`ns-781.awsdns-33.net` ⭐
		A	2600:9000:5303:d00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-781.awsdns-33.net`
		A	205.251.195.13^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-781.awsdns-33.net`
NS	`ns-1298.awsdns-34.org`
		A	2600:9000:5305:1200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1298.awsdns-34.org`
		A	205.251.197.18^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1298.awsdns-34.org`
NS	`ns-1602.awsdns-08.co.uk`
		A	2600:9000:5306:4200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1602.awsdns-08.co.uk`
		A	205.251.198.66^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1602.awsdns-08.co.uk`
NS	`ns-78.awsdns-09.com`
		A	2600:9000:5300:4e00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-78.awsdns-09.com`
		A	205.251.192.78^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-78.awsdns-09.com`
TXT	`google-site-verification=7dRLQdInwDOHSPEdOjywVi874gJKS_7ntztAG_gVrmo`
SOA	`ns-781.awsdns-33.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=1780680996

Same first word

code-exercises.com

DNS History

77 records (8 active, 69 former)

●NSns-1298.awsdns-34.org2026-02-17 → 2026-06-05 · 3 obs

○ 2017-10-04 22:45:18
● 2026-02-17 01:13:00
● 2026-06-05 18:02:58

●NSns-1602.awsdns-08.co.uk2026-02-17 → 2026-06-05 · 3 obs

○ 2017-10-04 22:45:18
● 2026-02-17 01:13:00
● 2026-06-05 18:02:58

●NSns-78.awsdns-09.com2026-02-17 → 2026-06-05 · 3 obs

○ 2017-10-04 22:45:18
● 2026-02-17 01:13:00
● 2026-06-05 18:02:58

●NSns-781.awsdns-33.net2026-02-17 → 2026-06-05 · 3 obs

○ 2017-10-04 22:45:18
● 2026-02-17 01:13:00
● 2026-06-05 18:02:58

○NSns65.domaincontrol.com2016-12-17 → 2017-10-04 · 4 obs

● 2016-12-17 15:32:36
● 2017-10-04 22:45:18
○ 2026-02-17 01:13:00
○ 2026-06-05 18:02:58

○NSns66.domaincontrol.com2016-12-17 → 2017-10-04 · 4 obs

● 2016-12-17 15:32:36
● 2017-10-04 22:45:18
○ 2026-02-17 01:13:00
○ 2026-06-05 18:02:58

○MXmailstore1.secureserver.net2016-12-17 → 2026-02-17 · 4 obs

● 2016-12-17 15:32:36
● 2026-02-17 01:13:00
○ 2026-02-17 17:54:44
○ 2026-06-05 18:02:58

○MXsmtp.secureserver.net2016-12-17 → 2026-02-17 · 4 obs

● 2016-12-17 15:32:36
● 2026-02-17 01:13:00
○ 2026-02-17 17:54:44
○ 2026-06-05 18:02:58

○A13.225.47.1282026-05-26 → 2026-06-04 · 11 obs

○ 2026-05-26 10:57:38
● 2026-05-26 11:32:00
○ 2026-05-26 13:06:22
○ 2026-05-27 05:29:34
● 2026-05-27 10:51:34
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○ 2026-06-04 13:28:10
○ 2026-06-05 18:02:58

○A13.225.47.152026-05-26 → 2026-06-04 · 11 obs

○A13.225.47.252026-05-26 → 2026-06-04 · 11 obs

○A13.225.47.412026-05-26 → 2026-06-04 · 11 obs

○A13.32.164.1082026-05-19 → 2026-06-05 · 76 obs

○ 2026-05-19 07:01:36
● 2026-05-19 09:13:46
● 2026-05-19 23:18:58
○ 2026-05-20 00:36:04
○ 2026-05-20 01:43:06
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● 2026-06-03 19:11:36
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● 2026-06-03 21:37:54
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● 2026-06-05 01:08:10
● 2026-06-05 13:06:42
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● 2026-06-05 17:14:24
○ 2026-06-05 18:02:52
○ 2026-06-05 18:02:58

○A13.32.164.52026-05-19 → 2026-06-05 · 76 obs

○A13.32.164.632026-05-19 → 2026-06-05 · 76 obs

○A13.32.164.922026-05-19 → 2026-06-05 · 76 obs

○A13.32.230.472026-02-17 → 2026-03-20 · 62 obs

○ 2026-02-17 17:54:44
● 2026-02-17 18:56:06
○ 2026-02-17 21:09:42
● 2026-02-18 03:18:50
● 2026-02-18 14:26:12
○ 2026-02-19 06:10:28
● 2026-02-19 23:49:24
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● 2026-02-22 10:07:50
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○ 2026-02-28 13:56:20
● 2026-02-28 21:26:54
○ 2026-02-28 22:41:44
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● 2026-03-01 17:40:04
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● 2026-03-05 14:32:08
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● 2026-03-07 01:53:10
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● 2026-03-08 08:48:16
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● 2026-03-11 23:57:26
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● 2026-03-12 17:11:40
● 2026-03-12 19:45:50
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○ 2026-03-15 01:27:44
○ 2026-03-19 01:41:52
● 2026-03-19 14:21:20
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○ 2026-03-20 12:14:54
● 2026-03-20 19:57:14
○ 2026-03-21 02:32:10
○ 2026-06-05 18:02:58

○A13.32.230.602026-02-17 → 2026-03-20 · 62 obs

○A13.32.230.642026-02-17 → 2026-03-20 · 62 obs

○A13.32.230.702026-02-17 → 2026-03-20 · 62 obs

○A13.33.109.1262026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-20 23:11:34
● 2026-04-21 08:19:52
○ 2026-04-21 14:01:26
○ 2026-06-05 18:02:58

○A13.33.109.292026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-20 23:11:34
● 2026-04-21 08:19:52
○ 2026-04-21 14:01:26
○ 2026-06-05 18:02:58

○A13.33.109.322026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-20 23:11:34
● 2026-04-21 08:19:52
○ 2026-04-21 14:01:26
○ 2026-06-05 18:02:58

○A13.33.109.482026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-20 23:11:34
● 2026-04-21 08:19:52
○ 2026-04-21 14:01:26
○ 2026-06-05 18:02:58

○A18.161.21.1012026-04-21 → 2026-05-21 · 95 obs

○ 2026-04-21 14:01:26
● 2026-04-21 22:14:48
● 2026-04-22 00:33:36
○ 2026-04-22 09:35:00
○ 2026-04-22 16:39:52
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● 2026-04-23 07:22:24
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● 2026-04-27 00:28:24
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● 2026-05-21 05:14:52
○ 2026-05-21 06:47:12
○ 2026-06-05 18:02:58

○A18.161.21.1152026-04-21 → 2026-05-21 · 95 obs

○A18.161.21.222026-04-21 → 2026-05-21 · 95 obs

○A18.161.21.642026-04-21 → 2026-05-21 · 95 obs

○A18.165.122.1062026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-02 17:34:44
● 2026-06-02 22:28:46
○ 2026-06-02 23:14:52
○ 2026-06-05 18:02:58

○A18.165.122.1132026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-02 17:34:44
● 2026-06-02 22:28:46
○ 2026-06-02 23:14:52
○ 2026-06-05 18:02:58

○A18.165.122.672026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-02 17:34:44
● 2026-06-02 22:28:46
○ 2026-06-02 23:14:52
○ 2026-06-05 18:02:58

○A18.165.122.712026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-02 17:34:44
● 2026-06-02 22:28:46
○ 2026-06-02 23:14:52
○ 2026-06-05 18:02:58

○A3.161.174.1082026-04-02 → 2026-04-07 · 7 obs

○ 2026-04-02 08:24:20
● 2026-04-02 11:37:06
○ 2026-04-02 14:02:36
○ 2026-04-07 06:08:08
● 2026-04-07 06:53:08
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○A3.161.174.1122026-04-02 → 2026-04-07 · 7 obs

○ 2026-04-02 08:24:20
● 2026-04-02 11:37:06
○ 2026-04-02 14:02:36
○ 2026-04-07 06:08:08
● 2026-04-07 06:53:08
○ 2026-04-07 12:27:56
○ 2026-06-05 18:02:58

○A3.161.174.252026-04-02 → 2026-04-07 · 7 obs

○ 2026-04-02 08:24:20
● 2026-04-02 11:37:06
○ 2026-04-02 14:02:36
○ 2026-04-07 06:08:08
● 2026-04-07 06:53:08
○ 2026-04-07 12:27:56
○ 2026-06-05 18:02:58

○A3.161.174.822026-04-02 → 2026-04-07 · 7 obs

○ 2026-04-02 08:24:20
● 2026-04-02 11:37:06
○ 2026-04-02 14:02:36
○ 2026-04-07 06:08:08
● 2026-04-07 06:53:08
○ 2026-04-07 12:27:56
○ 2026-06-05 18:02:58

○A3.163.115.1112026-03-30 → 2026-04-07 · 25 obs

○ 2026-03-30 06:03:22
● 2026-03-30 07:30:44
○ 2026-03-30 16:55:52
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● 2026-03-31 10:35:40
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● 2026-04-01 01:24:44
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○ 2026-04-07 13:05:46
● 2026-04-07 15:13:08
○ 2026-04-08 05:44:28
○ 2026-06-05 18:02:58

○A3.163.115.432026-03-30 → 2026-04-07 · 25 obs

○A3.163.115.492026-03-30 → 2026-04-07 · 25 obs

○A3.163.115.892026-03-30 → 2026-04-07 · 25 obs

○A3.164.36.1012026-05-27 → 2026-06-05 · 26 obs

○ 2026-05-27 10:51:34
● 2026-05-27 12:25:14
○ 2026-05-27 15:07:56
○ 2026-05-27 19:10:46
● 2026-05-27 19:51:00
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○A3.164.36.172026-05-27 → 2026-06-05 · 26 obs

○A3.164.36.402026-05-27 → 2026-06-05 · 26 obs

○A3.164.36.952026-05-27 → 2026-06-05 · 26 obs

○A3.171.100.1032026-02-17 → 2026-05-26 · 61 obs

○ 2017-10-04 22:45:18
● 2026-02-17 01:13:00
● 2026-02-17 17:54:44
○ 2026-02-17 18:56:06
● 2026-02-17 21:09:42
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○A3.171.100.702026-02-17 → 2026-05-26 · 61 obs

○A3.171.100.772026-02-17 → 2026-05-26 · 61 obs

○A3.171.100.852026-02-17 → 2026-05-26 · 61 obs

○A3.171.198.1162026-05-28 → 2026-05-29 · 9 obs

○ 2026-05-27 23:36:18
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○A3.171.198.532026-05-28 → 2026-05-29 · 9 obs

○A3.171.198.632026-05-28 → 2026-05-29 · 9 obs

○A3.171.198.752026-05-28 → 2026-05-29 · 9 obs

○A3.174.59.132026-04-28 → 2026-06-02 · 34 obs

○ 2026-04-27 13:37:22
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○A3.174.59.242026-04-28 → 2026-06-02 · 34 obs

○A3.174.59.72026-04-28 → 2026-06-02 · 34 obs

○A3.174.59.82026-04-28 → 2026-06-02 · 34 obs

●A3.174.83.1012026-03-29 → 2026-06-05 · 112 obs

○ 2026-03-29 04:24:10
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●A3.174.83.112026-03-29 → 2026-06-05 · 112 obs

●A3.174.83.52026-03-29 → 2026-06-05 · 112 obs

●A3.174.83.992026-03-29 → 2026-06-05 · 112 obs

○A3.175.14.1252026-04-08 → 2026-04-17 · 24 obs

○ 2026-04-08 05:44:28
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○A3.175.14.552026-04-08 → 2026-04-17 · 24 obs

○A3.175.14.832026-04-08 → 2026-04-17 · 24 obs

○A3.175.14.952026-04-08 → 2026-04-17 · 24 obs

○A52.50.147.2232016-12-17 → 2017-10-04 · 4 obs

● 2016-12-17 15:32:36
● 2017-10-04 22:45:18
○ 2026-02-17 01:13:00
○ 2026-06-05 18:02:58

○A52.84.118.112026-02-25 → 2026-05-29 · 237 obs

○ 2026-02-25 09:33:30
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○ 2026-06-05 18:02:58

○A52.84.118.352026-02-25 → 2026-05-29 · 237 obs

○A52.84.118.672026-02-25 → 2026-05-29 · 237 obs

○A52.84.118.772026-02-25 → 2026-05-29 · 237 obs

○A99.84.215.1262026-02-17 → 2026-06-05 · 2 obs

○ 2026-02-17 01:13:00
○ 2026-06-05 18:02:58

○A99.84.215.42026-02-17 → 2026-06-05 · 2 obs

○ 2026-02-17 01:13:00
○ 2026-06-05 18:02:58

○A99.84.215.572026-02-17 → 2026-06-05 · 2 obs

○ 2026-02-17 01:13:00
○ 2026-06-05 18:02:58

○A99.84.215.642026-02-17 → 2026-06-05 · 2 obs

○ 2026-02-17 01:13:00
○ 2026-06-05 18:02:58

○A99.84.234.1052026-03-14 → 2026-03-30 · 11 obs

○ 2026-03-13 23:13:42
● 2026-03-14 11:36:54
○ 2026-03-14 12:23:38
○ 2026-03-17 05:44:26
● 2026-03-17 13:07:24
○ 2026-03-17 16:48:56
○ 2026-03-29 05:27:32
● 2026-03-30 02:34:32
● 2026-03-30 06:03:22
○ 2026-03-30 07:30:44
○ 2026-06-05 18:02:58

○A99.84.234.182026-03-14 → 2026-03-30 · 11 obs

○A99.84.234.452026-03-14 → 2026-03-30 · 11 obs

○A99.84.234.712026-03-14 → 2026-03-30 · 11 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
code-exercises.com	ns-78.awsdns-09.com, ns-781.awsdns-33.net, ns-1602.awsdns-08.co.uk, ns-1298.awsdns-34.org	2 records

✅ Authoritative Response

Server:205.251.197.18

NS records: ns-78.awsdns-09.com, ns-781.awsdns-33.net, ns-1602.awsdns-08.co.uk, ns-1298.awsdns-34.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for code-exercises.com (unsigned zone)

⏱️ Timing

Total: 646ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.174.83.5, 3.174.83.11...`
NS	4	`ns-1298.awsdns-34.org, ns-1602.awsdns-08.co.uk...`
TXT	1	`google-site-verification=7dRLQdInwDOHSPE`
SOA	1	`ns-781.awsdns-33.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-78.awsdns-09.com, ns-78.awsdns-09.com)

Analysis

IP Addresses

code-exercises.com has 4 IP addresses: 3.174.83.5, 3.174.83.11, 3.174.83.99 and 3.174.83.101.

bloblowdrybar.wetransfer.com, spectrum.wetransfer.com, go.trvdp.com and two other host names share IP numbers with code-exercises.com.

Name Servers

DNS for code-exercises.com is handled by 4 name servers: ns-78.awsdns-09.com, ns-781.awsdns-33.net, ns-1298.awsdns-34.org and ns-1602.awsdns-08.co.uk.

There is at least partial name server overlap between code-exercises.com and other domains — clearsls.jp, trackericp.com, solfanellifiorillofuneralhome.com and two more among them.

All four hostnames — ns-78.awsdns-09.com, ns-781.awsdns-33.net, ns-1298.awsdns-34.org and ns-1602.awsdns-08.co.uk — resolve to two IP numbers apiece: ns-78.awsdns-09.com to 205.251.192.78 and 2600:9000:5300:4e00::1; ns-781.awsdns-33.net to 205.251.195.13 and 2600:9000:5303:d00::1; ns-1298.awsdns-34.org to 205.251.197.18 and 2600:9000:5305:1200::1; ns-1602.awsdns-08.co.uk to 205.251.198.66 and 2600:9000:5306:4200::1.