algorithmexamples.com - dns.ninja

`algorithmexamples.com`

DNSSEC	⚠️ Not signed
A	3.166.192.11^{🇺🇸 Amazon3.166.192.0/21}
		PTR	`server-3-166-192-11.phl51.r.cloudfront.net`
A	3.166.192.46^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.49^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.102^{🇺🇸 Amazon3.166.192.0/21}
NS	`ns-1345.awsdns-40.org` ⭐
		A	2600:9000:5305:4100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1345.awsdns-40.org`
		A	205.251.197.65^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1345.awsdns-40.org`
NS	`ns-1537.awsdns-00.co.uk`
		A	2600:9000:5306:100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1537.awsdns-00.co.uk`
		A	205.251.198.1^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1537.awsdns-00.co.uk`
NS	`ns-452.awsdns-56.com`
		A	2600:9000:5301:c400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-452.awsdns-56.com`
		A	205.251.193.196^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-452.awsdns-56.com`
NS	`ns-803.awsdns-36.net`
		A	2600:9000:5303:2300::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-803.awsdns-36.net`
		A	205.251.195.35^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-803.awsdns-36.net`
TXT	`google-site-verification=txrUgOeDnzdKVokBApJPj3HD9xzcqCN8G0GXnpgjeLk`
SOA	`ns-1345.awsdns-40.org`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=1784848232

Subdomains

www.algorithmexamples.com

ruby.algorithmexamples.com

Same first word

algorithmexamples.com

DNS History

97 records (8 active, 89 former)

●NSns-1345.awsdns-40.org2026-02-15 → 2026-07-23 · 3 obs

○ 2016-12-19 15:11:42
● 2026-02-15 23:52:14
● 2026-07-23 23:18:50

●NSns-1537.awsdns-00.co.uk2026-02-15 → 2026-07-23 · 3 obs

○ 2016-12-19 15:11:42
● 2026-02-15 23:52:14
● 2026-07-23 23:18:50

●NSns-452.awsdns-56.com2026-02-15 → 2026-07-23 · 3 obs

○ 2016-12-19 15:11:42
● 2026-02-15 23:52:14
● 2026-07-23 23:18:50

●NSns-803.awsdns-36.net2026-02-15 → 2026-07-23 · 3 obs

○ 2016-12-19 15:11:42
● 2026-02-15 23:52:14
● 2026-07-23 23:18:50

○NSns01.one.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 15:11:42
○ 2026-02-15 23:52:14
○ 2026-07-23 23:18:50

○NSns02.one.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 15:11:42
○ 2026-02-15 23:52:14
○ 2026-07-23 23:18:50

○MXmx1.pub.mailpod1-wdc1.one.com2016-12-19 → 2026-02-17 · 4 obs

● 2016-12-19 15:11:42
● 2026-02-17 05:18:58
○ 2026-02-17 11:09:04
○ 2026-07-23 23:18:50

○MXmx2.pub.mailpod1-wdc1.one.com2016-12-19 → 2026-02-17 · 4 obs

● 2016-12-19 15:11:42
● 2026-02-17 05:18:58
○ 2026-02-17 11:09:04
○ 2026-07-23 23:18:50

○A104.37.35.1022016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 15:11:42
○ 2026-02-15 23:52:14
○ 2026-07-23 23:18:50

○A13.224.125.1272026-03-28 → 2026-07-23 · 24 obs

○ 2026-03-28 11:04:30
● 2026-03-28 13:30:54
○ 2026-03-29 15:28:26
● 2026-03-29 17:38:00
○ 2026-03-29 20:11:24
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● 2026-07-01 00:19:58
● 2026-07-05 08:04:04
○ 2026-07-07 17:19:58
○ 2026-07-11 06:21:42
● 2026-07-11 22:44:52
● 2026-07-18 09:44:24
○ 2026-07-19 19:14:44
● 2026-07-20 11:40:08
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● 2026-07-21 19:21:02
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● 2026-07-21 22:33:22
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● 2026-07-23 20:55:52
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○ 2026-07-23 23:18:50

○A13.224.125.322026-03-28 → 2026-07-23 · 24 obs

○A13.224.125.342026-03-28 → 2026-07-23 · 24 obs

○A13.224.125.852026-03-28 → 2026-07-23 · 24 obs

○A13.225.196.1122026-05-07 → 2026-05-07 · 5 obs

○ 2026-05-07 09:28:56
● 2026-05-07 15:57:24
● 2026-05-07 19:26:04
○ 2026-05-07 23:45:52
○ 2026-07-23 23:18:50

○A13.225.196.1242026-05-07 → 2026-05-07 · 5 obs

○ 2026-05-07 09:28:56
● 2026-05-07 15:57:24
● 2026-05-07 19:26:04
○ 2026-05-07 23:45:52
○ 2026-07-23 23:18:50

○A13.225.196.132026-05-07 → 2026-05-07 · 5 obs

○ 2026-05-07 09:28:56
● 2026-05-07 15:57:24
● 2026-05-07 19:26:04
○ 2026-05-07 23:45:52
○ 2026-07-23 23:18:50

○A13.225.196.212026-05-07 → 2026-05-07 · 5 obs

○ 2026-05-07 09:28:56
● 2026-05-07 15:57:24
● 2026-05-07 19:26:04
○ 2026-05-07 23:45:52
○ 2026-07-23 23:18:50

○A13.226.244.1022026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-28 12:01:52
● 2026-05-29 08:15:28
● 2026-05-29 08:52:46
○ 2026-05-29 13:30:06
○ 2026-07-23 23:18:50

○A13.226.244.112026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-28 12:01:52
● 2026-05-29 08:15:28
● 2026-05-29 08:52:46
○ 2026-05-29 13:30:06
○ 2026-07-23 23:18:50

○A13.226.244.1282026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-28 12:01:52
● 2026-05-29 08:15:28
● 2026-05-29 08:52:46
○ 2026-05-29 13:30:06
○ 2026-07-23 23:18:50

○A13.226.244.672026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-28 12:01:52
● 2026-05-29 08:15:28
● 2026-05-29 08:52:46
○ 2026-05-29 13:30:06
○ 2026-07-23 23:18:50

○A13.227.231.1252026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-29 13:30:06
● 2026-05-30 21:03:58
○ 2026-05-30 22:04:06
○ 2026-07-23 23:18:50

○A13.227.231.562026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-29 13:30:06
● 2026-05-30 21:03:58
○ 2026-05-30 22:04:06
○ 2026-07-23 23:18:50

○A13.227.231.922026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-29 13:30:06
● 2026-05-30 21:03:58
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○ 2026-07-23 23:18:50

○A13.227.231.952026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-29 13:30:06
● 2026-05-30 21:03:58
○ 2026-05-30 22:04:06
○ 2026-07-23 23:18:50

○A18.161.34.502026-04-24 → 2026-05-26 · 16 obs

○ 2026-04-19 03:03:10
● 2026-04-24 04:49:42
○ 2026-04-24 06:07:52
○ 2026-04-25 20:09:50
● 2026-04-25 20:52:22
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○ 2026-04-28 13:12:54
● 2026-04-29 00:58:28
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○ 2026-05-07 02:32:06
● 2026-05-07 09:28:56
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○ 2026-07-23 23:18:50

○A18.161.34.662026-04-24 → 2026-05-26 · 16 obs

○A18.161.34.952026-04-24 → 2026-05-26 · 16 obs

○A18.161.34.972026-04-24 → 2026-05-26 · 16 obs

○A18.164.77.1022026-04-02 → 2026-06-06 · 18 obs

○ 2026-03-30 16:23:06
● 2026-04-02 06:42:12
● 2026-04-02 23:46:40
○ 2026-04-03 01:46:08
○ 2026-05-05 03:41:44
● 2026-05-05 11:57:32
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● 2026-05-08 03:58:26
● 2026-05-08 08:34:28
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○ 2026-06-06 02:55:52
● 2026-06-06 03:36:26
○ 2026-06-06 04:51:42
○ 2026-07-23 23:18:50

○A18.164.77.192026-04-02 → 2026-06-06 · 18 obs

○A18.164.77.72026-04-02 → 2026-06-06 · 18 obs

○A18.164.77.752026-04-02 → 2026-06-06 · 18 obs

○A18.164.78.492026-04-08 → 2026-07-02 · 18 obs

○ 2026-04-05 17:07:56
● 2026-04-08 06:11:56
○ 2026-04-08 06:54:54
○ 2026-04-08 22:09:50
● 2026-04-08 22:44:50
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● 2026-06-18 22:29:56
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● 2026-06-29 14:30:58
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● 2026-07-01 21:27:08
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● 2026-07-02 01:58:42
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○ 2026-07-23 23:18:50

○A18.164.78.622026-04-08 → 2026-07-02 · 18 obs

○A18.164.78.652026-04-08 → 2026-07-02 · 18 obs

○A18.164.78.792026-04-08 → 2026-07-02 · 18 obs

○A18.238.243.102026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-03 01:46:08
● 2026-04-05 16:19:24
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○ 2026-07-23 23:18:50

○A18.238.243.1212026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-03 01:46:08
● 2026-04-05 16:19:24
○ 2026-04-05 17:07:56
○ 2026-07-23 23:18:50

○A18.238.243.1272026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-03 01:46:08
● 2026-04-05 16:19:24
○ 2026-04-05 17:07:56
○ 2026-07-23 23:18:50

○A18.238.243.842026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-03 01:46:08
● 2026-04-05 16:19:24
○ 2026-04-05 17:07:56
○ 2026-07-23 23:18:50

○A18.245.218.1222026-02-15 → 2026-06-30 · 16 obs

○ 2016-12-19 15:11:42
● 2026-02-15 23:52:14
● 2026-02-16 01:53:42
○ 2026-02-16 02:48:44
○ 2026-03-02 17:39:16
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● 2026-06-30 09:21:50
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○A18.245.218.1232026-02-15 → 2026-06-30 · 16 obs

○A18.245.218.222026-02-15 → 2026-06-30 · 16 obs

○A18.245.218.322026-02-15 → 2026-06-30 · 16 obs

○A18.245.253.272026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-14 19:35:26
● 2026-05-15 05:25:58
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○A18.245.253.642026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-14 19:35:26
● 2026-05-15 05:25:58
○ 2026-05-15 06:25:28
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○A18.245.253.942026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-14 19:35:26
● 2026-05-15 05:25:58
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○A18.245.253.982026-05-15 → 2026-05-15 · 4 obs

○ 2026-05-14 19:35:26
● 2026-05-15 05:25:58
○ 2026-05-15 06:25:28
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○A18.65.25.1072026-02-16 → 2026-07-23 · 22 obs

○ 2026-02-16 01:53:42
● 2026-02-16 02:48:44
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○A18.65.25.1142026-02-16 → 2026-07-23 · 22 obs

○A18.65.25.222026-02-16 → 2026-07-23 · 22 obs

○A18.65.25.582026-02-16 → 2026-07-23 · 22 obs

○A3.164.68.202026-03-22 → 2026-07-19 · 18 obs

○ 2026-03-21 14:46:06
● 2026-03-22 11:37:50
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○A3.164.68.382026-03-22 → 2026-07-19 · 18 obs

○A3.164.68.42026-03-22 → 2026-07-19 · 18 obs

○A3.164.68.952026-03-22 → 2026-07-19 · 18 obs

○A3.166.160.1232026-04-29 → 2026-05-17 · 17 obs

○ 2026-04-29 00:58:28
● 2026-04-29 06:49:16
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○A3.166.160.1262026-04-29 → 2026-05-17 · 17 obs

○A3.166.160.412026-04-29 → 2026-05-17 · 17 obs

○A3.166.160.642026-04-29 → 2026-05-17 · 17 obs

●A3.166.192.1022026-04-15 → 2026-07-23 · 19 obs

○ 2026-04-11 05:59:12
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●A3.166.192.112026-04-15 → 2026-07-23 · 19 obs

●A3.166.192.462026-04-15 → 2026-07-23 · 19 obs

●A3.166.192.492026-04-15 → 2026-07-23 · 19 obs

○A3.167.183.1112026-05-19 → 2026-07-01 · 16 obs

○ 2026-05-18 00:30:48
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○A3.167.183.222026-05-19 → 2026-07-01 · 16 obs

○A3.167.183.462026-05-19 → 2026-07-01 · 16 obs

○A3.167.183.902026-05-19 → 2026-07-01 · 16 obs

○A3.171.117.1032026-03-30 → 2026-06-03 · 17 obs

○ 2026-03-29 20:11:24
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○A3.171.117.1092026-03-30 → 2026-06-03 · 17 obs

○A3.171.117.302026-03-30 → 2026-06-03 · 17 obs

○A3.171.117.352026-03-30 → 2026-06-03 · 17 obs

○A3.171.76.1212026-02-16 → 2026-07-12 · 17 obs

○ 2026-02-15 23:52:14
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○A3.171.76.1242026-02-16 → 2026-07-12 · 17 obs

○A3.171.76.362026-02-16 → 2026-07-12 · 17 obs

○A3.171.76.892026-02-16 → 2026-07-12 · 17 obs

○A3.174.193.1012026-05-28 → 2026-06-06 · 7 obs

○ 2026-05-27 21:19:14
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○A3.174.193.142026-05-28 → 2026-06-06 · 7 obs

○ 2026-05-27 21:19:14
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○A3.174.193.242026-05-28 → 2026-06-06 · 7 obs

○ 2026-05-27 21:19:14
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○A3.174.193.462026-05-28 → 2026-06-06 · 7 obs

○ 2026-05-27 21:19:14
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○A3.174.255.1082026-05-26 → 2026-06-04 · 16 obs

○ 2026-05-26 16:05:06
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○A3.174.255.292026-05-26 → 2026-06-04 · 16 obs

○A3.174.255.432026-05-26 → 2026-06-04 · 16 obs

○A3.174.255.552026-05-26 → 2026-06-04 · 16 obs

○A52.85.118.1122026-06-02 → 2026-06-05 · 14 obs

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○A52.85.118.222026-06-02 → 2026-06-05 · 14 obs

○A52.85.118.592026-06-02 → 2026-06-05 · 14 obs

○A52.85.118.862026-06-02 → 2026-06-05 · 14 obs

○A54.240.184.292026-04-26 → 2026-05-27 · 18 obs

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○A54.240.184.442026-04-26 → 2026-05-27 · 18 obs

○A54.240.184.632026-04-26 → 2026-05-27 · 18 obs

○A54.240.184.642026-04-26 → 2026-05-27 · 18 obs

○A65.8.20.1182026-07-10 → 2026-07-10 · 4 obs

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○A65.8.20.262026-07-10 → 2026-07-10 · 4 obs

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○A65.8.20.532026-07-10 → 2026-07-10 · 4 obs

○ 2026-07-07 17:19:58
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○A65.8.20.662026-07-10 → 2026-07-10 · 4 obs

○ 2026-07-07 17:19:58
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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...	-
algorithmexamples.com	ns-452.awsdns-56.com, ns-803.awsdns-36.net, ns-1537.awsdns-00.co.uk, ns-1345.awsdns-40.org	2 records

✅ Authoritative Response

Server:205.251.198.1

NS records: ns-452.awsdns-56.com, ns-803.awsdns-36.net, ns-1537.awsdns-00.co.uk, ns-1345.awsdns-40.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithmexamples.com (unsigned zone)

⏱️ Timing

Total: 1300ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.192.11, 3.166.192.102...`
NS	4	`ns-1345.awsdns-40.org, ns-1537.awsdns-00.co.uk...`
TXT	1	`google-site-verification=txrUgOeDnzdKVok`
SOA	1	`ns-1345.awsdns-40.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-452.awsdns-56.com, ns-452.awsdns-56.com)

Analysis

Hierarchy

www.algorithmexamples.com and ruby.algorithmexamples.com each fall under algorithmexamples.com as their parent domain.

IP Addresses

algorithmexamples.com has four IP addresses: 3.166.192.11, 3.166.192.46, 3.166.192.49 and 3.166.192.102.

Two other host names, along with jobs.close.io, contentful-video-proxy.sd.indazn.com and jaibel.com, also share IP numbers with algorithmexamples.com.

Name Servers

The NS records for algorithmexamples.com point to four name servers: ns-452.awsdns-56.com, ns-803.awsdns-36.net, ns-1345.awsdns-40.org and ns-1537.awsdns-00.co.uk.

algorithmexamples.com has at least partial name server overlap with other domains, such as d761od3ygid6w.cloudfront.net, (0x736578)mesenger.com, d1bngj942p62gk.cloudfront.net and two others.

ns-452.awsdns-56.com, ns-803.awsdns-36.net, ns-1345.awsdns-40.org and ns-1537.awsdns-00.co.uk all point to exactly two IP numbers each: ns-452.awsdns-56.com → 205.251.193.196 and 2600:9000:5301:c400::1; ns-803.awsdns-36.net → 205.251.195.35 and 2600:9000:5303:2300::1; ns-1345.awsdns-40.org → 205.251.197.65 and 2600:9000:5305:4100::1; ns-1537.awsdns-00.co.uk → 205.251.198.1 and 2600:9000:5306:100::1.