rackcheck.com - dns.ninja

`rackcheck.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3d91:676:6a3b:630e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b00c:8d5c:a9a3:9538^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.218.191.141^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-218-191-141.compute-1.amazonaws.com`
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.88.240.25^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-88-240-25.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cc5d:cd19:dd5:828e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3ee4:3218:624e:fbef^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	18.232.139.44^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-232-139-44.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-16 #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=1781666145

Subdomains

mail2.rackcheck.com

mail.rackcheck.com

Same first word

rackcheck.com.au

rackcheck.de

rackcheck.net.au

rackcheck.com

Similar names

checkrack.com

DNS History

15 records (7 active, 8 former)

○NSa.xnameserver.de2015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 08:17:00
● 2017-03-24 04:07:56
○ 2026-02-24 14:47:10
○ 2026-06-17 03:30:32

○NSb.xnameserver.de2015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 08:17:00
● 2017-03-24 04:07:56
○ 2026-02-24 14:47:10
○ 2026-06-17 03:30:32

○NSc.xnameserver.de2015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 08:17:00
● 2017-03-24 04:07:56
○ 2026-02-24 14:47:10
○ 2026-06-17 03:30:32

○NSd.xnameserver.org2015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 08:17:00
● 2017-03-24 04:07:56
○ 2026-02-24 14:47:10
○ 2026-06-17 03:30:32

○NSe.xnameserver.biz2015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 08:17:00
● 2017-03-24 04:07:56
○ 2026-02-24 14:47:10
○ 2026-06-17 03:30:32

●NSns1.namebrightdns.com2026-02-24 → 2026-06-17 · 3 obs

○ 2017-03-24 04:07:56
● 2026-02-24 14:47:10
● 2026-06-17 03:30:32

●NSnsg1.namebrightdns.com2026-02-24 → 2026-06-17 · 3 obs

○ 2017-03-24 04:07:56
● 2026-02-24 14:47:10
● 2026-06-17 03:30:32

●NSnsg2.namebrightdns.com2026-02-24 → 2026-06-17 · 3 obs

○ 2017-03-24 04:07:56
● 2026-02-24 14:47:10
● 2026-06-17 03:30:32

○MXmail.rackcheck.com2015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 08:17:00
● 2017-03-24 04:07:56
○ 2026-02-24 14:47:10
○ 2026-06-17 03:30:32

●A13.223.25.842026-02-24 → 2026-06-17 · 3 obs

○ 2017-03-24 04:07:56
● 2026-02-24 14:47:10
● 2026-06-17 03:30:32

○A194.24.172.1012015-08-04 → 2015-12-05 · 4 obs

● 2015-08-04 08:17:00
● 2015-12-05 12:24:44
○ 2016-03-06 16:58:08
○ 2026-06-17 03:30:32

○A194.24.172.992016-03-06 → 2017-03-24 · 5 obs

○ 2015-12-05 12:24:44
● 2016-03-06 16:58:08
● 2017-03-24 04:07:56
○ 2026-02-24 14:47:10
○ 2026-06-17 03:30:32

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-24 → 2026-06-17 · 3 obs

○ 2017-03-24 04:07:56
● 2026-02-24 14:47:10
● 2026-06-17 03:30:32

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-24 → 2026-06-17 · 3 obs

○ 2017-03-24 04:07:56
● 2026-02-24 14:47:10
● 2026-06-17 03:30:32

●A54.243.117.1972026-02-24 → 2026-06-17 · 3 obs

○ 2017-03-24 04:07:56
● 2026-02-24 14:47:10
● 2026-06-17 03:30:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
rackcheck.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:18.232.139.44

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rackcheck.com (unsigned zone)

⏱️ Timing

Total: 158ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

Hierarchy

mail2.rackcheck.com and mail.rackcheck.com are both subdomains of rackcheck.com.

IP Addresses

rackcheck.com has four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

downkey.com, 184-106-206-16.static.cloud-ips.com, cavamed.com and two other host names share IP numbers with rackcheck.com.

Name Servers

rackcheck.com is served by three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

rackcheck.com shares at least some of its name servers with other domains, including fleuresseskin.com, box.boxrus.com, defisx.com and two others.

These name servers are frequently paired with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hostnames that resolve to 7 IP addresses:

nsg2.namebrightdns.com maps to 3.80.109.14, 18.232.139.44, 98.81.3.34 and 4 additional IP addresses.

Hostnames that resolve to 6 IP addresses:

ns1.namebrightdns.com maps to 13.218.191.141, 52.203.211.134, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and 3 additional IP addresses.

Hostnames pointing to five IP numbers:

nsg1.namebrightdns.com resolves to four IP addresses: 3.88.240.25, 52.55.198.41, 54.175.130.15 and two others.