rackunit.com - dns.ninja

`rackunit.com`

DNSSEC	⚠️ Not signed
A	52.11.16.5^{🇺🇸 Amazon52.10.0.0/15 EC2 PDX Prefix}
		PTR	`website.dynamic.net`
NS	`ns-1465.awsdns-55.org` ⭐
		A	2600:9000:5305:b900::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1465.awsdns-55.org`
		A	205.251.197.185^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1465.awsdns-55.org`
NS	`ns-1537.awsdns-00.co.uk` ⚠️ Not in parent delegation
		A	2600:9000:5306:100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1537.awsdns-00.co.uk`
		A	205.251.198.1^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1537.awsdns-00.co.uk`
NS	`ns-305.awsdns-38.com`
		A	2600:9000:5301:3100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-305.awsdns-38.com`
		A	205.251.193.49^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-305.awsdns-38.com`
NS	`ns-668.awsdns-19.net`
		A	2600:9000:5302:9c00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-668.awsdns-19.net`
		A	205.251.194.156^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-668.awsdns-19.net`
MX	`mailfilter.dynamic.net` ⭐
		A	54.187.137.135^{🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix}
			PTR	`ec2-54-187-137-135.us-west-2.compute.amazonaws.com`
MX	`mailfilter.dynamic.com`⁽²⁰⁰⁾
		A	54.187.137.135^{🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix}
			PTR	`ec2-54-187-137-135.us-west-2.compute.amazonaws.com`
MX	`backupmail.dynamic.net`⁽⁷⁵⁰⁾
MX	`mailfilter.dynamic.org`⁽⁹⁹⁹⁾
SOA	`ns-1465.awsdns-55.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=1783762647

Subdomains

www.rackunit.com

Same first word

rackunit.net

rackunit.com

rackunit.ru

Similar names

DNS History

12 records (9 active, 3 former)

●NSns-1465.awsdns-55.org2015-12-23 → 2026-07-11 · 3 obs

○ 2015-08-10 03:31:10
● 2015-12-23 13:21:12
● 2026-07-11 09:50:12

●NSns-1537.awsdns-00.co.uk2015-12-23 → 2026-07-11 · 3 obs

○ 2015-08-10 03:31:10
● 2015-12-23 13:21:12
● 2026-07-11 09:50:12

●NSns-305.awsdns-38.com2015-12-23 → 2026-07-11 · 3 obs

○ 2015-08-10 03:31:10
● 2015-12-23 13:21:12
● 2026-07-11 09:50:12

●NSns-668.awsdns-19.net2015-12-23 → 2026-07-11 · 3 obs

○ 2015-08-10 03:31:10
● 2015-12-23 13:21:12
● 2026-07-11 09:50:12

○NSns1.dynamic.com2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 03:31:10
○ 2015-12-23 13:21:12
○ 2026-07-11 09:50:12

○NSns2.dynamic.net2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 03:31:10
○ 2015-12-23 13:21:12
○ 2026-07-11 09:50:12

○NSns3.dynamic.org2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 03:31:10
○ 2015-12-23 13:21:12
○ 2026-07-11 09:50:12

●MXbackupmail.dynamic.net2015-08-10 → 2026-07-11 · 2 obs

● 2015-08-10 03:31:10
● 2026-07-11 09:50:12

●MXmailfilter.dynamic.com2015-08-10 → 2026-07-11 · 2 obs

● 2015-08-10 03:31:10
● 2026-07-11 09:50:12

●MXmailfilter.dynamic.net2015-08-10 → 2026-07-11 · 2 obs

● 2015-08-10 03:31:10
● 2026-07-11 09:50:12

●MXmailfilter.dynamic.org2015-08-10 → 2026-07-11 · 2 obs

● 2015-08-10 03:31:10
● 2026-07-11 09:50:12

●A52.11.16.52015-08-10 → 2026-07-11 · 2 obs

● 2015-08-10 03:31:10
● 2026-07-11 09:50:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rackunit.com	ns-668.awsdns-19.net, ns-305.awsdns-38.com, ns-1465.awsdns-55.org	2 records

✅ Authoritative Response

Server:205.251.194.156

NS records: ns-668.awsdns-19.net, ns-305.awsdns-38.com, ns-1465.awsdns-55.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rackunit.com (unsigned zone)

⏱️ Timing

Total: 520ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.11.16.5`
NS	4	`ns-1465.awsdns-55.org, ns-1537.awsdns-00.co.uk...`
MX	4	`mailfilter.dynamic.net (pri: 10), mailfilter.dynamic.com (pri: 200)...`
SOA	1	`ns-1465.awsdns-55.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-305.awsdns-38.com, ns-305.awsdns-38.com)

Analysis

Hierarchy

rackunit.com serves as the parent of www.rackunit.com.

IP Addresses

rackunit.com directs to one IP number, which is 52.11.16.5.

Among the host names that share IP numbers with rackunit.com are dynamic-concepts.net, website.dynamic.net, linuxserverhosting.net and two others.

Name Servers

The domain rackunit.com is delegated to these four name servers: ns-305.awsdns-38.com, ns-668.awsdns-19.net, ns-1465.awsdns-55.org and ns-1537.awsdns-00.co.uk.

rackunit.com has at least partial name server overlap with other domains, such as atlantasportandsocialclub.com, oonamcdonald.com, cdsvicwest-app.com and two others.

These name servers tend to appear together with the name servers ns-1836.awsdns-37.co.uk, ns-275.awsdns-34.com and ns-1446.awsdns-52.org.

ns-305.awsdns-38.com, ns-668.awsdns-19.net, ns-1465.awsdns-55.org and ns-1537.awsdns-00.co.uk all point to exactly two IP numbers each: ns-305.awsdns-38.com → 205.251.193.49 and 2600:9000:5301:3100::1; ns-668.awsdns-19.net → 205.251.194.156 and 2600:9000:5302:9c00::1; ns-1465.awsdns-55.org → 205.251.197.185 and 2600:9000:5305:b900::1; ns-1537.awsdns-00.co.uk → 205.251.198.1 and 2600:9000:5306:100::1.

Mail Servers

Four mail servers handle email for rackunit.com: mailfilter.dynamic.com, backupmail.dynamic.net, mailfilter.dynamic.net and mailfilter.dynamic.org.

rackunit.com shares at least some of its mail servers with other domains — for example cellgateinternational.com, autosubmit.com, dynamicconcepts.com and two more.

Both mailfilter.dynamic.com and mailfilter.dynamic.net have a single IP address, 54.187.137.135, and share it.

Host names pointing to 54.187.137.135 IP addresses: mailfilter.dynamic.com and mailfilter.dynamic.net.