`ctdallocationstudy.com`

DNSSEC	⚠️ Not signed
A	3.210.21.50^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-210-21-50.compute-1.amazonaws.com`
NS	`ns-14.awsdns-01.com` ⭐
		A	2600:9000:5300:e00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-14.awsdns-01.com`
		A	205.251.192.14^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-14.awsdns-01.com`
NS	`ns-1026.awsdns-00.org`
		A	2600:9000:5304:200::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1026.awsdns-00.org`
		A	205.251.196.2^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1026.awsdns-00.org`
NS	`ns-1623.awsdns-10.co.uk`
		A	2600:9000:5306:5700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1623.awsdns-10.co.uk`
		A	205.251.198.87^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1623.awsdns-10.co.uk`
NS	`ns-630.awsdns-14.net`
		A	2600:9000:5302:7600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-630.awsdns-14.net`
		A	205.251.194.118^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-630.awsdns-14.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
MX	`3zprpr6d2mp55fofavdampoxxmq6lha64cm7js5fqssxaygifwdq.mx-verification.google.com`⁽¹⁵⁾
TXT	`v=spf1 include:967484a7.ppspf.net ~all`
SOA	`ns-14.awsdns-01.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=1771291435

Same first word

ctdallocationstudy.com

DNS History

11 records (11 active, 0 former)

●NSns-1026.awsdns-00.org2020-02-06 → 2026-03-10 · 2 obs

● 2020-02-06 01:29:12
● 2026-03-10 23:50:10

●NSns-14.awsdns-01.com2020-02-06 → 2026-03-10 · 2 obs

● 2020-02-06 01:29:12
● 2026-03-10 23:50:10

●NSns-1623.awsdns-10.co.uk2020-02-06 → 2026-03-10 · 2 obs

● 2020-02-06 01:29:12
● 2026-03-10 23:50:10

●NSns-630.awsdns-14.net2020-02-06 → 2026-03-10 · 2 obs

● 2020-02-06 01:29:12
● 2026-03-10 23:50:10

●MX3zprpr6d2mp55fofavdampoxxmq6lha64cm7js5fqssxaygifwdq.mx-verification.google.com2020-12-12 → 2026-03-10 · 2 obs

● 2020-12-12 22:25:16
● 2026-03-10 23:50:10

●MXalt1.aspmx.l.google.com2020-12-12 → 2026-03-10 · 2 obs

● 2020-12-12 22:25:16
● 2026-03-10 23:50:10

●MXalt2.aspmx.l.google.com2020-12-12 → 2026-03-10 · 2 obs

● 2020-12-12 22:25:16
● 2026-03-10 23:50:10

●MXalt3.aspmx.l.google.com2020-12-12 → 2026-03-10 · 2 obs

● 2020-12-12 22:25:16
● 2026-03-10 23:50:10

●MXalt4.aspmx.l.google.com2020-12-12 → 2026-03-10 · 2 obs

● 2020-12-12 22:25:16
● 2026-03-10 23:50:10

●MXaspmx.l.google.com2020-12-12 → 2026-03-10 · 2 obs

● 2020-12-12 22:25:16
● 2026-03-10 23:50:10

●A3.210.21.502020-02-06 → 2026-03-10 · 2 obs

● 2020-02-06 01:29:12
● 2026-03-10 23:50:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ctdallocationstudy.com	ns-14.awsdns-01.com, ns-630.awsdns-14.net, ns-1623.awsdns-10.co.uk, ns-1026.awsdns-00.org	1 record

✅ Authoritative Response

Server: 205.251.196.2

NS records: ns-14.awsdns-01.com, ns-630.awsdns-14.net, ns-1623.awsdns-10.co.uk, ns-1026.awsdns-00.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctdallocationstudy.com (unsigned zone)

⏱️ Timing

Total: 527ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.210.21.50`
NS	4	`ns-1026.awsdns-00.org, ns-14.awsdns-01.com...`
MX	6	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 include:967484a7.ppspf.net ~all`
SOA	1	`ns-14.awsdns-01.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-14.awsdns-01.com)

Analysis

IP Addresses

ctdallocationstudy.com points to an IP address: 3.210.21.50.

Other host names, for instance ec2-3-210-21-50.compute-1.amazonaws.com, share IP numbers with ctdallocationstudy.com.

Name Servers

ctdallocationstudy.com delegates to four name servers: ns-14.awsdns-01.com, ns-630.awsdns-14.net, ns-1026.awsdns-00.org and ns-1623.awsdns-10.co.uk.

ctdallocationstudy.com at least partially shares name servers with other domains, for instance nisas.jp, myohportalsso.co.uk, h-1.click, bask-co.com and cog-co.jp.