`errorcorrectionzoo.org`

DNSSEC	⚠️ Not signed
A	18.64.174.42^{🇺🇸 Amazon18.64.168.0/21}
		PTR	`server-18-64-174-42.mia3.r.cloudfront.net`
A	18.64.174.65^{🇺🇸 Amazon18.64.168.0/21}
A	18.64.174.69^{🇺🇸 Amazon18.64.168.0/21}
A	18.64.174.115^{🇺🇸 Amazon18.64.168.0/21}
NS	`ns-939.awsdns-53.net` ⭐
		A	2600:9000:5303:ab00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-939.awsdns-53.net`
		A	205.251.195.171^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-939.awsdns-53.net`
NS	`ns-1108.awsdns-10.org`
		A	2600:9000:5304:5400::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1108.awsdns-10.org`
		A	205.251.196.84^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1108.awsdns-10.org`
NS	`ns-150.awsdns-18.com`
		A	2600:9000:5300:9600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-150.awsdns-18.com`
		A	205.251.192.150^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-150.awsdns-18.com`
NS	`ns-1642.awsdns-13.co.uk`
		A	2600:9000:5306:6a00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1642.awsdns-13.co.uk`
		A	205.251.198.106^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1642.awsdns-13.co.uk`
SOA	`ns-939.awsdns-53.net`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=1776046407

Same first word

errorcorrectionzoo.org

DNS History

20 records (8 active, 12 former)

●NSns-1108.awsdns-10.org2026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 11:24:38
● 2026-04-13 02:40:18

●NSns-150.awsdns-18.com2026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 11:24:38
● 2026-04-13 02:40:18

●NSns-1642.awsdns-13.co.uk2026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 11:24:38
● 2026-04-13 02:40:18

●NSns-939.awsdns-53.net2026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 11:24:38
● 2026-04-13 02:40:18

○A13.226.144.202026-04-03 → 2026-04-12 · 30 obs

○ 2026-04-03 11:24:38
● 2026-04-03 17:13:42
○ 2026-04-03 18:20:10
○ 2026-04-04 08:06:14
● 2026-04-04 08:43:08
● 2026-04-04 12:10:30
○ 2026-04-05 06:42:02
○ 2026-04-05 10:42:20
● 2026-04-05 12:11:22
○ 2026-04-05 13:47:32
○ 2026-04-05 17:23:16
● 2026-04-05 19:04:30
● 2026-04-06 00:35:16
○ 2026-04-06 18:18:28
● 2026-04-06 22:20:12
○ 2026-04-06 23:39:58
● 2026-04-07 00:36:26
● 2026-04-08 03:01:52
○ 2026-04-08 04:04:32
● 2026-04-08 05:02:36
○ 2026-04-08 08:28:26
○ 2026-04-08 21:26:34
● 2026-04-08 22:17:50
● 2026-04-11 04:15:48
○ 2026-04-11 10:12:50
○ 2026-04-11 14:09:40
● 2026-04-11 16:12:50
● 2026-04-12 22:13:20
○ 2026-04-13 01:04:02
○ 2026-04-13 02:40:18

○A13.226.144.322026-04-03 → 2026-04-12 · 30 obs

○A13.226.144.502026-04-03 → 2026-04-12 · 30 obs

○A13.226.144.962026-04-03 → 2026-04-12 · 30 obs

○A18.165.116.1112026-04-03 → 2026-04-08 · 20 obs

● 2026-04-03 11:24:38
○ 2026-04-03 17:13:42
● 2026-04-03 18:20:10
● 2026-04-04 08:06:14
○ 2026-04-04 08:43:08
○ 2026-04-05 06:42:02
● 2026-04-05 08:02:16
● 2026-04-05 10:42:20
○ 2026-04-05 12:11:22
● 2026-04-05 13:47:32
● 2026-04-05 17:23:16
○ 2026-04-05 19:04:30
○ 2026-04-06 22:20:12
● 2026-04-06 23:39:58
○ 2026-04-07 00:36:26
○ 2026-04-08 05:02:36
● 2026-04-08 08:28:26
● 2026-04-08 12:25:12
○ 2026-04-08 21:26:34
○ 2026-04-13 02:40:18

○A18.165.116.492026-04-03 → 2026-04-08 · 20 obs

○A18.165.116.532026-04-03 → 2026-04-08 · 20 obs

○A18.165.116.962026-04-03 → 2026-04-08 · 20 obs

●A18.64.174.1152026-04-06 → 2026-04-13 · 12 obs

○ 2026-04-06 00:35:16
● 2026-04-06 18:18:28
○ 2026-04-06 22:20:12
○ 2026-04-08 03:01:52
● 2026-04-08 04:04:32
○ 2026-04-08 05:02:36
○ 2026-04-08 12:25:12
● 2026-04-08 21:26:34
○ 2026-04-08 22:17:50
○ 2026-04-12 22:13:20
● 2026-04-13 01:04:02
● 2026-04-13 02:40:18

●A18.64.174.422026-04-06 → 2026-04-13 · 12 obs

●A18.64.174.652026-04-06 → 2026-04-13 · 12 obs

●A18.64.174.692026-04-06 → 2026-04-13 · 12 obs

○A3.168.102.1272026-04-05 → 2026-04-11 · 8 obs

○ 2026-04-04 12:10:30
● 2026-04-05 06:42:02
○ 2026-04-05 08:02:16
○ 2026-04-11 04:15:48
● 2026-04-11 10:12:50
● 2026-04-11 14:09:40
○ 2026-04-11 16:12:50
○ 2026-04-13 02:40:18

○A3.168.102.312026-04-05 → 2026-04-11 · 8 obs

○ 2026-04-04 12:10:30
● 2026-04-05 06:42:02
○ 2026-04-05 08:02:16
○ 2026-04-11 04:15:48
● 2026-04-11 10:12:50
● 2026-04-11 14:09:40
○ 2026-04-11 16:12:50
○ 2026-04-13 02:40:18

○A3.168.102.752026-04-05 → 2026-04-11 · 8 obs

○ 2026-04-04 12:10:30
● 2026-04-05 06:42:02
○ 2026-04-05 08:02:16
○ 2026-04-11 04:15:48
● 2026-04-11 10:12:50
● 2026-04-11 14:09:40
○ 2026-04-11 16:12:50
○ 2026-04-13 02:40:18

○A3.168.102.902026-04-05 → 2026-04-11 · 8 obs

○ 2026-04-04 12:10:30
● 2026-04-05 06:42:02
○ 2026-04-05 08:02:16
○ 2026-04-11 04:15:48
● 2026-04-11 10:12:50
● 2026-04-11 14:09:40
○ 2026-04-11 16:12:50
○ 2026-04-13 02:40:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
errorcorrectionzoo.org	ns-939.awsdns-53.net, ns-150.awsdns-18.com, ns-1108.awsdns-10.org, ns-1642.awsdns-13.co.uk	1 record

✅ Authoritative Response

Server:205.251.195.171

NS records: ns-939.awsdns-53.net, ns-150.awsdns-18.com, ns-1108.awsdns-10.org, ns-1642.awsdns-13.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for errorcorrectionzoo.org (unsigned zone)

⏱️ Timing

Total: 388ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.64.174.42, 18.64.174.69...`
NS	4	`ns-1108.awsdns-10.org, ns-150.awsdns-18.com...`
SOA	1	`ns-939.awsdns-53.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1108.awsdns-10.org)

Analysis

IP Addresses

Four IP numbers are pointed to by errorcorrectionzoo.org: 18.64.174.42, 18.64.174.65, 18.64.174.69 and 18.64.174.115.

other host names including server-18-64-174-115.mia3.r.cloudfront.net, bybigtable.com, racing-qa.fanduel.com, docs.covavoting.com and contentsales.orf.at share IP numbers with errorcorrectionzoo.org.

Name Servers

errorcorrectionzoo.org is delegated to four name servers: ns-150.awsdns-18.com, ns-939.awsdns-53.net, ns-1108.awsdns-10.org and ns-1642.awsdns-13.co.uk.

errorcorrectionzoo.org at least partially shares name servers with other domains, for instance lifelinefirstaid.com, pharmeasy.in, getclues.com, cairogossip.com and nyp.network.

these name servers are often used together with ns-1159.awsdns-16.org, ns-15.awsdns-01.com, ns-547.awsdns-04.net and ns-657.awsdns-18.net.

Host names with two IP numbers:

ns-150.awsdns-18.com points to 2600:9000:5300:9600::1 and 205.251.192.150; ns-939.awsdns-53.net points to 2600:9000:5303:ab00::1 and 205.251.195.171; ns-1108.awsdns-10.org points to 2600:9000:5304:5400::1 and 205.251.196.84; ns-1642.awsdns-13.co.uk points to 2600:9000:5306:6a00::1 and 205.251.198.106.

errorcorrectionzoo.org - robtex.com