`system4.subinone.com`

DNSSEC	⚠️ Not signed
A	50.116.20.118^{🇺🇸 AKAMAI-LINODE-AP50.116.16.0/20 Akamai Technologies}
		PTR	`system4.subinone.com`
MX	`system4.subinone.com` ⭐
		A	50.116.20.118^{🇺🇸 AKAMAI-LINODE-AP50.116.16.0/20 Akamai Technologies}
			PTR	`system4.subinone.com`
TXT	`yahoo-verification-key=83Jv+Yg0KuuXw8hNebeRTqx98JLoEpEeek2EMzX1lm0=`
TXT	`v=spf1 a mx ip4:50.116.20.118 ~all`

`subinone.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1.digitalocean.com` ⭐
	NS	`ns2.digitalocean.com`
	NS	`ns3.digitalocean.com`
	SOA	`ns1.digitalocean.com`hostmaster@subinone.com serial=1773824395

PTR for

118.20.116.50.in-addr.arpa

MX for

system4.subinone.com

Same first word

system4.me

system4.ch

system4.be

system4.biz

system4.org

system4.eu

system4.de

system4.com

system4.com.br

system4.net

system4.nl

system4.ca

system4.ua

system4.com.ua

system4.es

system4.co

system4.info

Similar names

4system.net

4system.de

4system.pl

4system.com

4system.sk

4system.eu

4system.gmbh

DNS History

2 records (2 active, 0 former)

●MXsystem4.subinone.com2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 05:54:42
● 2026-03-24 07:25:32

●A50.116.20.1182026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 05:54:42
● 2026-03-24 07:25:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
subinone.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for subinone.com (unsigned zone)

⏱️ Timing

Total: 210ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.116.20.118`
MX	1	`system4.subinone.com (pri: 10)`
TXT	2	`yahoo-verification-key=83Jv+Yg0KuuXw8hNe, v=spf1 a mx ip4:50.116.20.118 ~all`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

Mail Server Role

For system4.subinone.com, the mail server is system4.subinone.com.

IP Addresses

system4.subinone.com points to a single IP number: 50.116.20.118.

Mail Servers

One mail server handles system4.subinone.com.

Host name system4.subinone.com points to IP address 50.116.20.118.

system4.subinone.com - robtex.com