checkblu.com - dns.ninja

`checkblu.com`

DNSSEC	⚠️ Not signed
A	52.20.84.62^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
		PTR	`ec2-52-20-84-62.compute-1.amazonaws.com`
NS	`ns1.atom.com` ⭐
		A	44.219.81.145^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-219-81-145.compute-1.amazonaws.com`
NS	`ns2.atom.com`
		A	50.19.240.86^{🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix}
			PTR	`ec2-50-19-240-86.compute-1.amazonaws.com`
MX	`mx1.forwardemail.net` ⭐
		A	2604:a880:2:d0::306:1^{🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean}
			PTR	`mx1.forwardemail.net`
		A	2a02:6ea0:d71e::2^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx1.forwardemail.net`
		A	121.127.44.56^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx1.forwardemail.net`
		A	138.197.213.185^{🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean}
			PTR	`mx1.forwardemail.net`
MX	`mx2.forwardemail.net` ⭐
		A	2604:a880:400:d1::cd:9001^{🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	2a02:6ea0:d71e::1^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx2.forwardemail.net`
		A	104.248.224.170^{🇺🇸 DIGITALOCEAN104.248.224.0/20 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	121.127.44.59^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx2.forwardemail.net`
TXT	`forward-email=domain.shop22@gmail.com`
TXT	`afternic-verification-ng58uGLzcBrqCqRyEtQXKK`
TXT	`f0095018235b8109a2bf9f65674a1784b6971ed6`
SOA	`ns1.atom.com`hostmaster@checkblu.com 2025-07-30 #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=1786345739

Same first word

checkblu.com

Similar names

checklub.com.br

blucheck.com

lubcheck.net

lubcheck.com

blucheck.net

checklub.net

DNS History

13 records (5 active, 8 former)

●NSns1.atom.com2026-03-06 → 2026-08-10 · 3 obs

○ 2017-09-09 06:15:24
● 2026-03-06 04:23:58
● 2026-08-10 07:39:48

○NSns1055.ui-dns.com2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 06:15:24
○ 2026-03-06 04:23:58
○ 2026-08-10 07:39:48

○NSns1078.ui-dns.biz2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 06:15:24
○ 2026-03-06 04:23:58
○ 2026-08-10 07:39:48

○NSns1100.ui-dns.de2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 06:15:24
○ 2026-03-06 04:23:58
○ 2026-08-10 07:39:48

○NSns1120.ui-dns.org2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 06:15:24
○ 2026-03-06 04:23:58
○ 2026-08-10 07:39:48

●NSns2.atom.com2026-03-06 → 2026-08-10 · 3 obs

○ 2017-09-09 06:15:24
● 2026-03-06 04:23:58
● 2026-08-10 07:39:48

○MXmx00.kundenserver.de2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 06:15:24
○ 2026-03-06 04:23:58
○ 2026-08-10 07:39:48

○MXmx01.kundenserver.de2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 06:15:24
○ 2026-03-06 04:23:58
○ 2026-08-10 07:39:48

●MXmx1.forwardemail.net2026-03-06 → 2026-08-10 · 3 obs

○ 2017-09-09 06:15:24
● 2026-03-06 04:23:58
● 2026-08-10 07:39:48

●MXmx2.forwardemail.net2026-03-06 → 2026-08-10 · 3 obs

○ 2017-09-09 06:15:24
● 2026-03-06 04:23:58
● 2026-08-10 07:39:48

○A2001:8d8:100f:f000::25c2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 06:15:24
○ 2026-03-06 04:23:58
○ 2026-08-10 07:39:48

○A217.160.0.792017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 06:15:24
○ 2026-03-06 04:23:58
○ 2026-08-10 07:39:48

●A52.20.84.622026-03-06 → 2026-08-10 · 3 obs

○ 2017-09-09 06:15:24
● 2026-03-06 04:23:58
● 2026-08-10 07:39:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...	-
checkblu.com	ns1.atom.com, ns2.atom.com	2 records

✅ Authoritative Response

Server:44.219.81.145

NS records: ns1.atom.com, ns2.atom.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkblu.com (unsigned zone)

⏱️ Timing

Total: 3180ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.20.84.62`
NS	2	`ns1.atom.com, ns2.atom.com`
MX	2	`mx1.forwardemail.net (pri: 10), mx2.forwardemail.net (pri: 10)`
TXT	3	`forward-email=domain.shop22@gmail.com, afternic-verification-ng58uGLzcBrqCqRyEt...`
SOA	1	`ns1.atom.com hostmaster.checkblu.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.atom.com, ns2.atom.com)

Analysis

IP Addresses

checkblu.com resolves to one IP address: 52.20.84.62.

namemana.com, maypaw.com, skatesy.com and two other host names share IP numbers with checkblu.com.

Name Servers

checkblu.com has two authoritative name servers — ns1.atom.com and ns2.atom.com.

checkblu.com uses the same name servers as several other domains — among them durkle.com, modeeasy.com, arachnide.com and two more.

checkblu.com partially shares its NS delegation with several other domains, including bozdu.com, proxyhit.com, foodhighway.com and two others.

These name servers often co-occur with the name servers verification-yhehuhyrvixzqbtydgzisf.ns101.verify.hn.

ns1.atom.com resolves to 44.219.81.145. ns2.atom.com resolves to 50.19.240.86. Both host names point to a single IP number.

Mail Servers

Mail for checkblu.com is handled by two mail servers — mx1.forwardemail.net and mx2.forwardemail.net.

checkblu.com uses an identical mail server configuration to several other domains — among them rpmzone.com, byfind.com, genejournal.blog and two more.

At least a portion of checkblu.com's mail servers are also used by other domains, for example flexrealm.com.

Both mx1.forwardemail.net and mx2.forwardemail.net resolve to four IP addresses: mx1.forwardemail.net directs to 121.127.44.56, 138.197.213.185, 2604:a880:2:d0::306:1 and 2a02:6ea0:d71e::2, and mx2.forwardemail.net directs to 104.248.224.170, 121.127.44.59, 2604:a880:400:d1::cd:9001 and 2a02:6ea0:d71e::1.