columbusmemory.com - dns.ninja

`columbusmemory.com`

DNSSEC	⚠️ Not signed
A	3.142.155.212^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
		PTR	`ec2-3-142-155-212.us-east-2.compute.amazonaws.com`
A	3.142.157.237^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
A	18.224.111.187^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
NS	`ns-420.awsdns-52.com` ⭐
		A	2600:9000:5301:a400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-420.awsdns-52.com`
		A	205.251.193.164^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-420.awsdns-52.com`
NS	`ns-1169.awsdns-18.org`
		A	2600:9000:5304:9100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1169.awsdns-18.org`
		A	205.251.196.145^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1169.awsdns-18.org`
NS	`ns-1767.awsdns-28.co.uk`
		A	2600:9000:5306:e700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1767.awsdns-28.co.uk`
		A	205.251.198.231^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1767.awsdns-28.co.uk`
NS	`ns-733.awsdns-27.net`
		A	2600:9000:5302:dd00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-733.awsdns-27.net`
		A	205.251.194.221^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-733.awsdns-27.net`
SOA	`ns-420.awsdns-52.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=1786234304

Same first word

columbusmemory.org

columbusmemory.com

DNS History

17 records (7 active, 10 former)

●NSns-1169.awsdns-18.org2026-02-19 → 2026-08-09 · 3 obs

○ 2020-02-05 22:03:52
● 2026-02-19 11:19:04
● 2026-08-09 00:21:04

●NSns-1767.awsdns-28.co.uk2026-02-19 → 2026-08-09 · 3 obs

○ 2020-02-05 22:03:52
● 2026-02-19 11:19:04
● 2026-08-09 00:21:04

●NSns-420.awsdns-52.com2026-02-19 → 2026-08-09 · 3 obs

○ 2020-02-05 22:03:52
● 2026-02-19 11:19:04
● 2026-08-09 00:21:04

●NSns-733.awsdns-27.net2026-02-19 → 2026-08-09 · 3 obs

○ 2020-02-05 22:03:52
● 2026-02-19 11:19:04
● 2026-08-09 00:21:04

○NSns1.columbuslibrary.org2017-02-20 → 2020-02-05 · 4 obs

● 2017-02-20 06:05:00
● 2020-02-05 22:03:52
○ 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

○NSns2.columbuslibrary.org2017-02-20 → 2020-02-05 · 4 obs

● 2017-02-20 06:05:00
● 2020-02-05 22:03:52
○ 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

○A18.188.226.1192020-02-05 → 2020-02-05 · 4 obs

○ 2017-02-20 06:05:00
● 2020-02-05 22:03:52
○ 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

○A18.190.88.2492026-02-19 → 2026-02-19 · 3 obs

○ 2020-02-05 22:03:52
● 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

○A18.216.249.1122026-02-19 → 2026-08-09 · 2 obs

○ 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

○A18.223.163.2142026-02-19 → 2026-02-19 · 3 obs

○ 2020-02-05 22:03:52
● 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

●A18.224.111.1872026-08-09 → 2026-08-09 · 2 obs

○ 2026-02-19 11:19:04
● 2026-08-09 00:21:04

○A209.143.68.702017-02-20 → 2017-02-20 · 3 obs

● 2017-02-20 06:05:00
○ 2020-02-05 22:03:52
○ 2026-08-09 00:21:04

○A3.131.140.982026-02-19 → 2026-08-09 · 2 obs

○ 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

●A3.142.155.2122026-08-09 → 2026-08-09 · 2 obs

○ 2026-02-19 11:19:04
● 2026-08-09 00:21:04

●A3.142.157.2372026-08-09 → 2026-08-09 · 2 obs

○ 2026-02-19 11:19:04
● 2026-08-09 00:21:04

○A3.150.202.2462026-02-19 → 2026-08-09 · 2 obs

○ 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

○A3.151.12.2412026-02-19 → 2026-02-19 · 3 obs

○ 2020-02-05 22:03:52
● 2026-02-19 11:19:04
○ 2026-08-09 00:21:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
columbusmemory.com	ns-733.awsdns-27.net, ns-420.awsdns-52.com, ns-1767.awsdns-28.co.uk, ns-1169.awsdns-18.org	2 records

✅ Authoritative Response

Server:205.251.196.145

NS records: ns-733.awsdns-27.net, ns-420.awsdns-52.com, ns-1767.awsdns-28.co.uk, ns-1169.awsdns-18.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for columbusmemory.com (unsigned zone)

⏱️ Timing

Total: 272ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`3.142.155.212, 3.142.157.237...`
NS	4	`ns-1169.awsdns-18.org, ns-1767.awsdns-28.co.uk...`
SOA	1	`ns-420.awsdns-52.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-420.awsdns-52.com, ns-420.awsdns-52.com)

Analysis

IP Addresses

columbusmemory.com directs to three IP numbers: 3.142.155.212, 3.142.157.237 and 18.224.111.187.

Name Servers

Four name servers handle the delegation for columbusmemory.com: ns-420.awsdns-52.com, ns-733.awsdns-27.net, ns-1169.awsdns-18.org and ns-1767.awsdns-28.co.uk.

There is at least partial name server overlap between columbusmemory.com and other domains — mhg.jp, lungta.org, restaurantparadis.com and two more among them.

All four hostnames — ns-420.awsdns-52.com, ns-733.awsdns-27.net, ns-1169.awsdns-18.org and ns-1767.awsdns-28.co.uk — resolve to two IP numbers apiece: ns-420.awsdns-52.com to 205.251.193.164 and 2600:9000:5301:a400::1; ns-733.awsdns-27.net to 205.251.194.221 and 2600:9000:5302:dd00::1; ns-1169.awsdns-18.org to 205.251.196.145 and 2600:9000:5304:9100::1; ns-1767.awsdns-28.co.uk to 205.251.198.231 and 2600:9000:5306:e700::1.