leftbrainapp.com - dns.ninja

`leftbrainapp.com`

DNSSEC	⚠️ Not signed
A	45.79.88.16^{🇺🇸 AKAMAI-LINODE-AP45.79.64.0/19 Akamai Technologies}
NS	`ns1.dnsimple-edge.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple-edge.io`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:servers.mcsv.net ?all`
TXT	`v=spf1 include:spf.messagingengine.com ~all`
SOA	`ns1.dnsimple-edge.com`admin@dnsimple.com serial=1472680876

`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=1783853442

Same first word

leftbrainapp.com

DNS History

11 records (7 active, 4 former)

●NSns1.dnsimple-edge.com2026-07-12 → 2026-07-12 · 2 obs

○ 2026-02-19 19:10:58
● 2026-07-12 11:19:14

○NSns1.dnsimple.com2016-12-20 → 2026-02-19 · 3 obs

● 2016-12-20 02:24:22
● 2026-02-19 19:10:58
○ 2026-07-12 11:19:14

●NSns2.dnsimple-edge.net2026-02-19 → 2026-07-12 · 3 obs

○ 2019-12-20 14:44:26
● 2026-02-19 19:10:58
● 2026-07-12 11:19:14

○NSns2.dnsimple.com2016-12-20 → 2019-12-20 · 4 obs

● 2016-12-20 02:24:22
● 2019-12-20 14:44:26
○ 2026-02-19 19:10:58
○ 2026-07-12 11:19:14

●NSns3.dnsimple-edge.io2026-07-12 → 2026-07-12 · 2 obs

○ 2026-02-19 19:10:58
● 2026-07-12 11:19:14

○NSns3.dnsimple.com2016-12-20 → 2026-02-19 · 3 obs

● 2016-12-20 02:24:22
● 2026-02-19 19:10:58
○ 2026-07-12 11:19:14

●NSns4.dnsimple-edge.org2026-02-19 → 2026-07-12 · 3 obs

○ 2019-12-20 14:44:26
● 2026-02-19 19:10:58
● 2026-07-12 11:19:14

○NSns4.dnsimple.com2016-12-20 → 2019-12-20 · 4 obs

● 2016-12-20 02:24:22
● 2019-12-20 14:44:26
○ 2026-02-19 19:10:58
○ 2026-07-12 11:19:14

●MXin1-smtp.messagingengine.com2016-12-20 → 2026-07-12 · 2 obs

● 2016-12-20 02:24:22
● 2026-07-12 11:19:14

●MXin2-smtp.messagingengine.com2016-12-20 → 2026-07-12 · 2 obs

● 2016-12-20 02:24:22
● 2026-07-12 11:19:14

●A45.79.88.162016-12-20 → 2026-07-12 · 2 obs

● 2016-12-20 02:24:22
● 2026-07-12 11:19:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
leftbrainapp.com	ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com	2 records

✅ Authoritative Response

Server:199.247.152.53

NS records: ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leftbrainapp.com (unsigned zone)

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.79.88.16`
NS	4	`ns1.dnsimple-edge.com, ns2.dnsimple-edge.net...`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	2	`v=spf1 include:servers.mcsv.net ?all, v=spf1 include:spf.messagingengine.com ~`
SOA	1	`ns1.dnsimple-edge.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dnsimple-edge.com, ns1.dnsimple-edge.com)

Analysis

IP Addresses

leftbrainapp.com has exactly one IP address — 45.79.88.16.

Other host names, such as smactor.com, share IP numbers with leftbrainapp.com.

Name Servers

Four name servers handle the delegation for leftbrainapp.com: ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

leftbrainapp.com has at least partial name server overlap with other domains, such as nikols.net, eskicanakkale.com, milkingmachine.co.nz and two others.

It is common to see these name servers used together with name servers ns1.dnsimple.com and ns3.dnsimple.com.

ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org all point to exactly two IP numbers each: ns1.dnsimple-edge.com → 199.247.152.53 and 2620:111:8004::53; ns3.dnsimple-edge.io → 199.247.154.53 and 2620:111:8006::53; ns2.dnsimple-edge.net → 199.247.153.53 and 2620:111:8005::53; ns4.dnsimple-edge.org → 199.247.155.53 and 2620:111:8007::53.

Mail Servers

leftbrainapp.com uses two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

The mail server setup of leftbrainapp.com matches that of other domains such as reactor.dk, aboutsomethink.org, jvik.no and two others.

leftbrainapp.com has mail servers in common with other domains — for example 891657.com and big(0x736578).is.

Hosts with 8 IP addresses each:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Host names with four IP addresses:

in2-smtp.messagingengine.com has four IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.