modelthinker-class.com - dns.ninja

`modelthinker-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-1008.awsdns-62.net` ⭐
		A	2600:9000:5303:f000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1008.awsdns-62.net`
		A	205.251.195.240^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1008.awsdns-62.net`
NS	`ns-1097.awsdns-09.org`
		A	2600:9000:5304:4900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1097.awsdns-09.org`
		A	205.251.196.73^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1097.awsdns-09.org`
NS	`ns-2007.awsdns-58.co.uk`
		A	2600:9000:5307:d700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2007.awsdns-58.co.uk`
		A	205.251.199.215^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2007.awsdns-58.co.uk`
NS	`ns-455.awsdns-56.com`
		A	2600:9000:5301:c700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-455.awsdns-56.com`
		A	205.251.193.199^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-455.awsdns-56.com`
TXT	`v=spf1 -all`
SOA	`ns-1008.awsdns-62.net`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=1782380475

Same first word

modelthinker-class.com

DNS History

9 records (5 active, 4 former)

●NSns-1008.awsdns-62.net2026-06-25 → 2026-06-25 · 2 obs

○ 2017-05-13 13:10:46
● 2026-06-25 10:09:32

●NSns-1097.awsdns-09.org2026-06-25 → 2026-06-25 · 2 obs

○ 2017-05-13 13:10:46
● 2026-06-25 10:09:32

●NSns-2007.awsdns-58.co.uk2026-06-25 → 2026-06-25 · 2 obs

○ 2017-05-13 13:10:46
● 2026-06-25 10:09:32

●NSns-455.awsdns-56.com2026-06-25 → 2026-06-25 · 2 obs

○ 2017-05-13 13:10:46
● 2026-06-25 10:09:32

○NSns73.domaincontrol.com2015-08-23 → 2017-05-13 · 3 obs

● 2015-08-23 02:53:56
● 2017-05-13 13:10:46
○ 2026-06-25 10:09:32

○NSns74.domaincontrol.com2015-08-23 → 2017-05-13 · 3 obs

● 2015-08-23 02:53:56
● 2017-05-13 13:10:46
○ 2026-06-25 10:09:32

○MXmailstore1.secureserver.net2015-08-23 → 2017-05-13 · 3 obs

● 2015-08-23 02:53:56
● 2017-05-13 13:10:46
○ 2026-06-25 10:09:32

○MXsmtp.secureserver.net2015-08-23 → 2017-05-13 · 3 obs

● 2015-08-23 02:53:56
● 2017-05-13 13:10:46
○ 2026-06-25 10:09:32

●A107.22.230.102015-08-23 → 2026-06-25 · 2 obs

● 2015-08-23 02:53:56
● 2026-06-25 10:09:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
modelthinker-class.com	ns-455.awsdns-56.com, ns-1008.awsdns-62.net, ns-1097.awsdns-09.org, ns-2007.awsdns-58.co.uk	2 records

✅ Authoritative Response

Server:205.251.193.199

NS records: ns-455.awsdns-56.com, ns-1008.awsdns-62.net, ns-1097.awsdns-09.org, ns-2007.awsdns-58.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 364ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`107.22.230.10`
NS	4	`ns-1008.awsdns-62.net, ns-1097.awsdns-09.org...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-1008.awsdns-62.net awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-455.awsdns-56.com, ns-455.awsdns-56.com)

Analysis

IP Addresses

modelthinker-class.com has exactly one IP address — 107.22.230.10.

computervision-class.com, model-thinking-class.com, lean-startup-class.com plus two other host names have IP numbers in common with modelthinker-class.com.

Name Servers

Four name servers handle the delegation for modelthinker-class.com: ns-455.awsdns-56.com, ns-1008.awsdns-62.net, ns-1097.awsdns-09.org and ns-2007.awsdns-58.co.uk.

There is at least partial name server overlap between modelthinker-class.com and other domains — hirogete.com, chrisloy.net, beautyrent.ru and two more among them.

All four hostnames — ns-455.awsdns-56.com, ns-1008.awsdns-62.net, ns-1097.awsdns-09.org and ns-2007.awsdns-58.co.uk — resolve to two IP numbers apiece: ns-455.awsdns-56.com to 205.251.193.199 and 2600:9000:5301:c700::1; ns-1008.awsdns-62.net to 205.251.195.240 and 2600:9000:5303:f000::1; ns-1097.awsdns-09.org to 205.251.196.73 and 2600:9000:5304:4900::1; ns-2007.awsdns-58.co.uk to 205.251.199.215 and 2600:9000:5307:d700::1.