`upperleft.net`

DNSSEC	🔒 Signed (DS record present)
A	172.232.164.228^{🇺🇸 AKAMAI-LINODE-AP172.232.160.0/19 Akamai Technologies}
		PTR	`upperleft.net`
NS	`pdns1.registrar-servers.com` ⭐
		A	2610:a1:1024::100^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
		A	156.154.132.100^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
NS	`pdns2.registrar-servers.com`
		A	2610:a1:1025::100^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
		A	156.154.133.100^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
MX	`upperleft.net` ⭐ 🔒
		A	172.232.164.228^{🇺🇸 AKAMAI-LINODE-AP172.232.160.0/19 Akamai Technologies}
			PTR	`upperleft.net`
TXT	`v=spf1 ip4:172.232.164.228 -all`
SOA	`pdns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1774237638

`net`

	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=1774441882

PTR for

228.164.232.172.in-addr.arpa

MX for

upperleft.net

seattleguys.com

cloudgeekster.com

Same first word

upperleft.be

upperleft.ca

upperleft.net

DNS History

29 records (4 active, 25 former)

○NSdns1.p07.nsone.net2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○NSdns2.p07.nsone.net2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○NSdns3.p07.nsone.net2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○NSdns4.p07.nsone.net2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○NSns01.squarespacedns.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○NSns02.squarespacedns.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○NSns03.squarespacedns.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○NSns04.squarespacedns.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○NSns1.digitalocean.com2016-02-12 → 2017-03-17 · 5 obs

○ 2015-11-15 01:41:46
● 2016-02-12 20:47:16
● 2017-03-17 07:04:16
○ 2020-03-01 18:13:00
○ 2026-03-25 12:59:30

○NSns1.mediatemple.net2015-07-13 → 2015-11-15 · 4 obs

● 2015-07-13 14:06:38
● 2015-11-15 01:41:46
○ 2016-02-12 20:47:16
○ 2026-03-25 12:59:30

○NSns2.digitalocean.com2016-02-12 → 2017-03-17 · 5 obs

○ 2015-11-15 01:41:46
● 2016-02-12 20:47:16
● 2017-03-17 07:04:16
○ 2020-03-01 18:13:00
○ 2026-03-25 12:59:30

○NSns2.mediatemple.net2015-07-13 → 2015-11-15 · 4 obs

● 2015-07-13 14:06:38
● 2015-11-15 01:41:46
○ 2016-02-12 20:47:16
○ 2026-03-25 12:59:30

○NSns3.digitalocean.com2016-02-12 → 2017-03-17 · 5 obs

○ 2015-11-15 01:41:46
● 2016-02-12 20:47:16
● 2017-03-17 07:04:16
○ 2020-03-01 18:13:00
○ 2026-03-25 12:59:30

●NSpdns1.registrar-servers.com2026-03-06 → 2026-03-25 · 3 obs

○ 2020-03-01 18:13:00
● 2026-03-06 14:25:40
● 2026-03-25 12:59:30

●NSpdns2.registrar-servers.com2026-03-06 → 2026-03-25 · 3 obs

○ 2020-03-01 18:13:00
● 2026-03-06 14:25:40
● 2026-03-25 12:59:30

○MXalt1.aspmx.l.google.com2020-03-01 → 2020-03-01 · 4 obs

○ 2016-02-12 20:47:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○MXalt2.aspmx.l.google.com2020-03-01 → 2020-03-01 · 4 obs

○ 2016-02-12 20:47:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○MXalt3.aspmx.l.google.com2020-03-01 → 2020-03-01 · 4 obs

○ 2016-02-12 20:47:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○MXalt4.aspmx.l.google.com2020-03-01 → 2020-03-01 · 4 obs

○ 2016-02-12 20:47:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○MXaspmx.l.google.com2020-03-01 → 2020-03-01 · 4 obs

○ 2016-02-12 20:47:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○MXmail.upperleft.net2015-07-13 → 2015-11-15 · 4 obs

● 2015-07-13 14:06:38
● 2015-11-15 01:41:46
○ 2016-02-12 20:47:16
○ 2026-03-25 12:59:30

●MXupperleft.net2026-03-06 → 2026-03-25 · 3 obs

○ 2020-03-01 18:13:00
● 2026-03-06 14:25:40
● 2026-03-25 12:59:30

●A172.232.164.2282026-03-06 → 2026-03-25 · 3 obs

○ 2020-03-01 18:13:00
● 2026-03-06 14:25:40
● 2026-03-25 12:59:30

○A178.62.44.972016-02-12 → 2017-03-17 · 5 obs

○ 2015-11-15 01:41:46
● 2016-02-12 20:47:16
● 2017-03-17 07:04:16
○ 2020-03-01 18:13:00
○ 2026-03-25 12:59:30

○A198.185.159.1442020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○A198.185.159.1452020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○A198.49.23.1442020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○A198.49.23.1452020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-17 07:04:16
● 2020-03-01 18:13:00
○ 2026-03-06 14:25:40
○ 2026-03-25 12:59:30

○A64.13.192.672015-07-13 → 2015-11-15 · 4 obs

● 2015-07-13 14:06:38
● 2015-11-15 01:41:46
○ 2016-02-12 20:47:16
○ 2026-03-25 12:59:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
upperleft.net	pdns1.registrar-servers.com, pdns2.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.132.100

NS records: pdns1.registrar-servers.com, pdns2.registrar-servers.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 323ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.232.164.228`
NS	2	`pdns1.registrar-servers.com, pdns2.registrar-servers.com`
MX	1	`upperleft.net (pri: 10)`
TXT	1	`v=spf1 ip4:172.232.164.228 -all`
SOA	1	`pdns1.registrar-servers.com hostmaster.r`

Analysis

Mail Server Role

upperleft.net is the mail server for upperleft.net, seattleguys.com and cloudgeekster.com.

IP Addresses

upperleft.net points to a single IP address: 172.232.164.228.

Other host names such as seattleguys.com and cloudgeekster.com share IP numbers with upperleft.net.

Name Servers

upperleft.net is delegated to two name servers: pdns1.registrar-servers.com and pdns2.registrar-servers.com.

upperleft.net uses the same name server setup as other domains, including mis.edu.sg, toja.tv, tarsalgo.net, ffwlawfirm.com and iouapp.org.

Host names with two IP numbers:

pdns1.registrar-servers.com points to 2610:a1:1024::100 and 156.154.132.100.

pdns2.registrar-servers.com points to 2610:a1:1025::100 and 156.154.133.100.

Mail Servers

Mail for upperleft.net is handled by a single mail server, upperleft.net.

upperleft.net uses the same mail server setup as other domains, for example seattleguys.com and cloudgeekster.com.

Host upperleft.net points to IP 172.232.164.228.

upperleft.net - robtex.com

upperleft.net

net

PTR for

MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`upperleft.net`

`net`