model-thinking-class.com - dns.ninja

`model-thinking-class.com`

DNSSEC	⚠️ Not signed
A	107.22.230.10^{🇺🇸 Amazon107.22.0.0/16 EC2 IAD prefix}
		PTR	`ec2-107-22-230-10.compute-1.amazonaws.com`
NS	`ns-55.awsdns-06.com` ⭐
		A	2600:9000:5300:3700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-55.awsdns-06.com`
		A	205.251.192.55^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-55.awsdns-06.com`
NS	`ns-1021.awsdns-63.net`
		A	2600:9000:5303:fd00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1021.awsdns-63.net`
		A	205.251.195.253^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1021.awsdns-63.net`
NS	`ns-1457.awsdns-54.org`
		A	2600:9000:5305:b100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1457.awsdns-54.org`
		A	205.251.197.177^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1457.awsdns-54.org`
NS	`ns-1980.awsdns-55.co.uk`
		A	2600:9000:5307:bc00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1980.awsdns-55.co.uk`
		A	205.251.199.188^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1980.awsdns-55.co.uk`
TXT	`v=spf1 -all`
SOA	`ns-55.awsdns-06.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=1782428180

Same first word

model-thinking-class.com

DNS History

9 records (5 active, 4 former)

●NSns-1021.awsdns-63.net2026-06-25 → 2026-06-25 · 3 obs

○ 2017-06-27 01:54:34
● 2026-06-25 23:00:02
● 2026-06-25 23:00:04

●NSns-1457.awsdns-54.org2026-06-25 → 2026-06-25 · 3 obs

○ 2017-06-27 01:54:34
● 2026-06-25 23:00:02
● 2026-06-25 23:00:04

●NSns-1980.awsdns-55.co.uk2026-06-25 → 2026-06-25 · 3 obs

○ 2017-06-27 01:54:34
● 2026-06-25 23:00:02
● 2026-06-25 23:00:04

●NSns-55.awsdns-06.com2026-06-25 → 2026-06-25 · 3 obs

○ 2017-06-27 01:54:34
● 2026-06-25 23:00:02
● 2026-06-25 23:00:04

○NSns73.domaincontrol.com2015-05-31 → 2017-06-27 · 4 obs

● 2015-05-31 13:33:16
● 2017-06-27 01:54:34
○ 2026-06-25 23:00:02
○ 2026-06-25 23:00:04

○NSns74.domaincontrol.com2015-05-31 → 2017-06-27 · 4 obs

● 2015-05-31 13:33:16
● 2017-06-27 01:54:34
○ 2026-06-25 23:00:02
○ 2026-06-25 23:00:04

○MXmailstore1.secureserver.net2015-05-31 → 2017-06-27 · 4 obs

● 2015-05-31 13:33:16
● 2017-06-27 01:54:34
○ 2026-06-25 23:00:02
○ 2026-06-25 23:00:04

○MXsmtp.secureserver.net2015-05-31 → 2017-06-27 · 4 obs

● 2015-05-31 13:33:16
● 2017-06-27 01:54:34
○ 2026-06-25 23:00:02
○ 2026-06-25 23:00:04

●A107.22.230.102015-05-31 → 2026-06-25 · 2 obs

● 2015-05-31 13:33:16
● 2026-06-25 23:00:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
model-thinking-class.com	ns-55.awsdns-06.com, ns-1021.awsdns-63.net, ns-1980.awsdns-55.co.uk, ns-1457.awsdns-54.org	2 records

✅ Authoritative Response

Server:205.251.192.55

NS records: ns-55.awsdns-06.com, ns-1021.awsdns-63.net, ns-1980.awsdns-55.co.uk, ns-1457.awsdns-54.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for model-thinking-class.com (unsigned zone)

⏱️ Timing

Total: 381ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`107.22.230.10`
NS	4	`ns-1021.awsdns-63.net, ns-1457.awsdns-54.org...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-55.awsdns-06.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-55.awsdns-06.com, ns-55.awsdns-06.com)

Analysis

IP Addresses

model-thinking-class.com resolves to just one IP address, 107.22.230.10.

Two other host names, along with lean-startup-class.com, modelthinker-class.com and ec2-107-22-230-10.compute-1.amazonaws.com, also share IP numbers with model-thinking-class.com.

Name Servers

The NS records for model-thinking-class.com point to four name servers: ns-55.awsdns-06.com, ns-1021.awsdns-63.net, ns-1457.awsdns-54.org and ns-1980.awsdns-55.co.uk.

The name servers of model-thinking-class.com overlap at least partially with those of other domains — among them ionix.ltd.uk, noircreer.com, edumate.net.au and two more.

Each of the four hosts ns-55.awsdns-06.com, ns-1021.awsdns-63.net, ns-1457.awsdns-54.org and ns-1980.awsdns-55.co.uk has two IP addresses. ns-55.awsdns-06.com points to 205.251.192.55 and 2600:9000:5300:3700::1. ns-1021.awsdns-63.net points to 205.251.195.253 and 2600:9000:5303:fd00::1. ns-1457.awsdns-54.org points to 205.251.197.177 and 2600:9000:5305:b100::1. ns-1980.awsdns-55.co.uk points to 205.251.199.188 and 2600:9000:5307:bc00::1.