readycommoncore.com - dns.ninja

`readycommoncore.com`

DNSSEC	⚠️ Not signed
A	20.168.238.159^{🇺🇸 Microsoft20.160.0.0/12 MICROSOFT}
NS	`ns-1461.awsdns-54.org` ⭐
		A	2600:9000:5305:b500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1461.awsdns-54.org`
		A	205.251.197.181^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1461.awsdns-54.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-302.awsdns-37.com`
		A	2600:9000:5301:2e00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-302.awsdns-37.com`
		A	205.251.193.46^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-302.awsdns-37.com`
NS	`ns-755.awsdns-30.net`
		A	2600:9000:5302:f300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-755.awsdns-30.net`
		A	205.251.194.243^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-755.awsdns-30.net`
SOA	`ns-1461.awsdns-54.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=1783245036

Subdomains

www.readycommoncore.com

Same first word

readycommoncore.com

DNS History

6 records (5 active, 1 former)

●NSns-1461.awsdns-54.org2015-07-13 → 2026-07-05 · 2 obs

● 2015-07-13 02:40:16
● 2026-07-05 09:58:44

●NSns-1623.awsdns-10.co.uk2015-07-13 → 2026-07-05 · 2 obs

● 2015-07-13 02:40:16
● 2026-07-05 09:58:44

●NSns-302.awsdns-37.com2015-07-13 → 2026-07-05 · 2 obs

● 2015-07-13 02:40:16
● 2026-07-05 09:58:44

●NSns-755.awsdns-30.net2015-07-13 → 2026-07-05 · 2 obs

● 2015-07-13 02:40:16
● 2026-07-05 09:58:44

○A173.203.141.822015-07-13 → 2017-05-17 · 4 obs

● 2015-07-13 02:40:16
● 2017-05-17 02:42:20
○ 2026-02-23 10:52:28
○ 2026-07-05 09:58:44

●A20.168.238.1592026-02-23 → 2026-07-05 · 3 obs

○ 2017-05-17 02:42:20
● 2026-02-23 10:52:28
● 2026-07-05 09:58:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
readycommoncore.com	ns-755.awsdns-30.net, ns-302.awsdns-37.com, ns-1623.awsdns-10.co.uk, ns-1461.awsdns-54.org	2 records

✅ Authoritative Response

Server:205.251.194.243

NS records: ns-755.awsdns-30.net, ns-302.awsdns-37.com, ns-1623.awsdns-10.co.uk, ns-1461.awsdns-54.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readycommoncore.com (unsigned zone)

⏱️ Timing

Total: 2167ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.168.238.159`
NS	4	`ns-1461.awsdns-54.org, ns-1623.awsdns-10.co.uk...`
SOA	1	`ns-1461.awsdns-54.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-302.awsdns-37.com, ns-302.awsdns-37.com)

Analysis

Hierarchy

www.readycommoncore.com is a subdomain of readycommoncore.com.

IP Addresses

readycommoncore.com has exactly one IP address — 20.168.238.159.

caorders.com, i-ready.com, readyclassroommathematics.com plus two other host names have IP numbers in common with readycommoncore.com.

Name Servers

Four name servers handle the delegation for readycommoncore.com: ns-302.awsdns-37.com, ns-755.awsdns-30.net, ns-1461.awsdns-54.org and ns-1623.awsdns-10.co.uk.

The name servers of readycommoncore.com overlap at least partially with those of other domains — among them pinball-connect.com, movable-ink-5181.com, celebright.com and two more.

The name servers ns-262.awsdns-32.com, ns-602.awsdns-11.net and ns-1770.awsdns-29.co.uk are commonly seen alongside these name servers.

Each of the four hosts ns-302.awsdns-37.com, ns-755.awsdns-30.net, ns-1461.awsdns-54.org and ns-1623.awsdns-10.co.uk has two IP addresses. ns-302.awsdns-37.com points to 205.251.193.46 and 2600:9000:5301:2e00::1. ns-755.awsdns-30.net points to 205.251.194.243 and 2600:9000:5302:f300::1. ns-1461.awsdns-54.org points to 205.251.197.181 and 2600:9000:5305:b500::1. ns-1623.awsdns-10.co.uk points to 205.251.198.87 and 2600:9000:5306:5700::1.