cusd.org - dns.ninja

`cusd.org`

DNSSEC	⚠️ Not signed
A	104.16.158.133^{Cloudflare104.16.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.159.133^{Cloudflare104.16.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.18.189.233^{Cloudflare104.18.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.18.190.233^{Cloudflare104.18.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns-714.awsdns-25.net` ⭐
		A	2600:9000:5302:ca00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-714.awsdns-25.net`
		A	205.251.194.202^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-714.awsdns-25.net`
NS	`ns-1274.awsdns-31.org`
		A	2600:9000:5304:fa00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1274.awsdns-31.org`
		A	205.251.196.250^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1274.awsdns-31.org`
NS	`ns-1839.awsdns-37.co.uk`
		A	2600:9000:5307:2f00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1839.awsdns-37.co.uk`
		A	205.251.199.47^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1839.awsdns-37.co.uk`
NS	`ns-404.awsdns-50.com`
		A	2600:9000:5301:9400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-404.awsdns-50.com`
		A	205.251.193.148^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-404.awsdns-50.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽⁹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽⁹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`MS=8694C6B8C59715839F1A61EBFCFCC7F53AF35162`
TXT	`adobe-idp-site-verification=54fad2ab2b41c3783972f8f3703bc6fdc8b64337b24710fe8...`
TXT	`apple-domain-verification=oUnW6bU7zNhyjD6M`
TXT	`k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDfr9BE32lRFpNZKSpfyLrZ9j7CLPGR...`
TXT	`v=spf1 include:_spf.google.com include:mailgun.org ip4:209.129.235.65/32 -all`
SOA	`ns-714.awsdns-25.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=1784895956

WOT: SAFE (72/100)

Same first word

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DNS History

22 records (13 active, 9 former)

●NSns-1274.awsdns-31.org2026-02-25 → 2026-07-24 · 3 obs

○ 2017-08-26 12:43:20
● 2026-02-25 14:16:40
● 2026-07-24 12:45:14

●NSns-1839.awsdns-37.co.uk2026-02-25 → 2026-07-24 · 3 obs

○ 2017-08-26 12:43:20
● 2026-02-25 14:16:40
● 2026-07-24 12:45:14

●NSns-404.awsdns-50.com2026-02-25 → 2026-07-24 · 3 obs

○ 2017-08-26 12:43:20
● 2026-02-25 14:16:40
● 2026-07-24 12:45:14

●NSns-714.awsdns-25.net2026-02-25 → 2026-07-24 · 3 obs

○ 2017-08-26 12:43:20
● 2026-02-25 14:16:40
● 2026-07-24 12:45:14

○NSns1.scoe.org2015-08-24 → 2017-08-26 · 4 obs

● 2015-08-24 08:28:28
● 2017-08-26 12:43:20
○ 2026-02-25 14:16:40
○ 2026-07-24 12:45:14

○NSns2.scoe.org2015-08-24 → 2017-08-26 · 4 obs

● 2015-08-24 08:28:28
● 2017-08-26 12:43:20
○ 2026-02-25 14:16:40
○ 2026-07-24 12:45:14

●MXalt1.aspmx.l.google.com2015-08-24 → 2026-07-24 · 5 obs

● 2015-08-24 08:28:28
○ 2015-09-14 02:03:34
○ 2017-04-05 11:09:38
● 2017-08-26 12:43:20
● 2026-07-24 12:45:14

●MXalt2.aspmx.l.google.com2015-08-24 → 2026-07-24 · 5 obs

● 2015-08-24 08:28:28
○ 2015-09-14 02:03:34
○ 2017-04-05 11:09:38
● 2017-08-26 12:43:20
● 2026-07-24 12:45:14

●MXalt3.aspmx.l.google.com2015-08-24 → 2026-07-24 · 5 obs

● 2015-08-24 08:28:28
○ 2015-09-14 02:03:34
○ 2017-04-05 11:09:38
● 2017-08-26 12:43:20
● 2026-07-24 12:45:14

●MXalt4.aspmx.l.google.com2015-08-24 → 2026-07-24 · 5 obs

● 2015-08-24 08:28:28
○ 2015-09-14 02:03:34
○ 2017-04-05 11:09:38
● 2017-08-26 12:43:20
● 2026-07-24 12:45:14

●MXaspmx.l.google.com2015-08-24 → 2026-07-24 · 5 obs

● 2015-08-24 08:28:28
○ 2015-09-14 02:03:34
○ 2017-04-05 11:09:38
● 2017-08-26 12:43:20
● 2026-07-24 12:45:14

○MXcusd.org.s9a1.psmtp.com2015-09-14 → 2017-04-05 · 5 obs

○ 2015-08-24 08:28:28
● 2015-09-14 02:03:34
● 2017-04-05 11:09:38
○ 2017-08-26 12:43:20
○ 2026-07-24 12:45:14

○MXcusd.org.s9a2.psmtp.com2015-09-14 → 2017-04-05 · 5 obs

○ 2015-08-24 08:28:28
● 2015-09-14 02:03:34
● 2017-04-05 11:09:38
○ 2017-08-26 12:43:20
○ 2026-07-24 12:45:14

○MXcusd.org.s9b1.psmtp.com2015-09-14 → 2017-04-05 · 5 obs

○ 2015-08-24 08:28:28
● 2015-09-14 02:03:34
● 2017-04-05 11:09:38
○ 2017-08-26 12:43:20
○ 2026-07-24 12:45:14

○MXcusd.org.s9b2.psmtp.com2015-09-14 → 2017-04-05 · 5 obs

○ 2015-08-24 08:28:28
● 2015-09-14 02:03:34
● 2017-04-05 11:09:38
○ 2017-08-26 12:43:20
○ 2026-07-24 12:45:14

●A104.16.158.1332026-02-25 → 2026-07-24 · 3 obs

○ 2017-08-26 12:43:20
● 2026-02-25 14:16:40
● 2026-07-24 12:45:14

●A104.16.159.1332026-02-25 → 2026-07-24 · 3 obs

○ 2017-08-26 12:43:20
● 2026-02-25 14:16:40
● 2026-07-24 12:45:14

●A104.18.189.2332026-02-25 → 2026-07-24 · 3 obs

○ 2017-08-26 12:43:20
● 2026-02-25 14:16:40
● 2026-07-24 12:45:14

●A104.18.190.2332026-02-25 → 2026-07-24 · 3 obs

○ 2017-08-26 12:43:20
● 2026-02-25 14:16:40
● 2026-07-24 12:45:14

○A207.54.156.612015-09-14 → 2017-04-05 · 5 obs

○ 2015-08-24 08:28:28
● 2015-09-14 02:03:34
● 2017-04-05 11:09:38
○ 2017-08-26 12:43:20
○ 2026-07-24 12:45:14

○A216.102.14.2372015-08-24 → 2015-08-24 · 3 obs

● 2015-08-24 08:28:28
○ 2015-09-14 02:03:34
○ 2026-07-24 12:45:14

○A52.206.191.2322017-08-26 → 2017-08-26 · 4 obs

○ 2017-04-05 11:09:38
● 2017-08-26 12:43:20
○ 2026-02-25 14:16:40
○ 2026-07-24 12:45:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
cusd.org	ns-404.awsdns-50.com, ns-714.awsdns-25.net, ns-1274.awsdns-31.org, ns-1839.awsdns-37.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.47

NS records: ns-404.awsdns-50.com, ns-714.awsdns-25.net, ns-1274.awsdns-31.org, ns-1839.awsdns-37.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cusd.org (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`104.18.189.233, 104.18.190.233...`
NS	4	`ns-1274.awsdns-31.org, ns-1839.awsdns-37.co.uk...`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 50)...`
TXT	5	`MS=8694C6B8C59715839F1A61EBFCFCC7F53AF35, adobe-idp-site-verification=54fad2ab2b41...`
SOA	1	`ns-714.awsdns-25.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1274.awsdns-31.org, ns-1274.awsdns-31.org)

Analysis

IP Addresses

cusd.org resolves to four IP addresses: 104.16.158.133, 104.16.159.133, 104.18.189.233 and 104.18.190.233.

ecsc.k12.in.us, ejesd.net, axiscolorado.org plus two other host names have IP numbers in common with cusd.org.

Name Servers

Four name servers handle the delegation for cusd.org: ns-404.awsdns-50.com, ns-714.awsdns-25.net, ns-1274.awsdns-31.org and ns-1839.awsdns-37.co.uk.

cusd.org shares at least some of its name servers with other domains, including codingchallenges.fyi, yatosohel.com, leadbkk.com and two others.

The host names ns-404.awsdns-50.com, ns-714.awsdns-25.net, ns-1274.awsdns-31.org and ns-1839.awsdns-37.co.uk each resolve to two IP addresses: ns-404.awsdns-50.com resolves to 205.251.193.148 and 2600:9000:5301:9400::1; ns-714.awsdns-25.net resolves to 205.251.194.202 and 2600:9000:5302:ca00::1; ns-1274.awsdns-31.org resolves to 205.251.196.250 and 2600:9000:5304:fa00::1; ns-1839.awsdns-37.co.uk resolves to 205.251.199.47 and 2600:9000:5307:2f00::1.

Mail Servers

cusd.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by cusd.org are shared with other domains: kvafsu.edu.in, brainysites.co.uk, fundacion-almine-y-bernard-ruiz-picasso-para-el-arte.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com points to 192.178.155.26 and 2607:f8b0:4004:c0b::1a.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.