`optimumvision.net`

DNSSEC	⚠️ Not signed
A	64.99.64.37^{🇨🇦 TUCOWS64.99.0.0/16 Tucows.com Co}
		PTR	`osrs.systemdns.com`
NS	`ns1.systemdns.com` ⭐
		A	2604:4000:0:d:216:40:47:90^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.systemdns.com`
		A	216.40.47.90^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.systemdns.com`
NS	`ns2.systemdns.com`
		A	2604:4000:2800:d:64:99:148:16^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
		A	64.98.148.16^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
NS	`ns3.systemdns.com`
		A	2604:4000:0:d:64:99:96:36^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.systemdns.com`
		A	64.99.96.36^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.systemdns.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zohomail.com ~all`
SOA	`ns1.systemdns.com`hostmaster@systemdns.com serial=1725369917

`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=1774423502

Subdomains

www.optimumvision.net

Same first word

optimumvision.net

DNS History

22 records (7 active, 15 former)

○NSns-cloud-a1.googledomains.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

○NSns-cloud-a2.googledomains.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

○NSns-cloud-a3.googledomains.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

○NSns-cloud-a4.googledomains.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

●NSns1.systemdns.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-19 05:27:58
● 2026-02-19 20:38:18
● 2026-03-25 07:32:20

●NSns2.systemdns.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-19 05:27:58
● 2026-02-19 20:38:18
● 2026-03-25 07:32:20

●NSns3.systemdns.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-19 05:27:58
● 2026-02-19 20:38:18
● 2026-03-25 07:32:20

○NSns51.1and1.com2015-06-16 → 2016-04-11 · 4 obs

● 2015-06-16 07:42:06
● 2016-04-11 11:46:40
○ 2016-09-24 16:56:10
○ 2026-03-25 07:32:20

○NSns52.1and1.com2015-06-16 → 2016-04-11 · 4 obs

● 2015-06-16 07:42:06
● 2016-04-11 11:46:40
○ 2016-09-24 16:56:10
○ 2026-03-25 07:32:20

○MXalt1.gmr-smtp-in.l.google.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

○MXalt2.gmr-smtp-in.l.google.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

○MXalt3.gmr-smtp-in.l.google.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

○MXalt4.gmr-smtp-in.l.google.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

○MXgmr-smtp-in.l.google.com2016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

●MXmx.zoho.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-19 05:27:58
● 2026-02-19 20:38:18
● 2026-03-25 07:32:20

○MXmx00.1and1.com2015-06-16 → 2016-04-11 · 4 obs

● 2015-06-16 07:42:06
● 2016-04-11 11:46:40
○ 2016-09-24 16:56:10
○ 2026-03-25 07:32:20

○MXmx01.1and1.com2015-06-16 → 2016-04-11 · 4 obs

● 2015-06-16 07:42:06
● 2016-04-11 11:46:40
○ 2016-09-24 16:56:10
○ 2026-03-25 07:32:20

●MXmx2.zoho.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-19 05:27:58
● 2026-02-19 20:38:18
● 2026-03-25 07:32:20

●MXmx3.zoho.com2026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-19 05:27:58
● 2026-02-19 20:38:18
● 2026-03-25 07:32:20

○A104.197.177.262016-09-24 → 2017-06-19 · 5 obs

○ 2016-04-11 11:46:40
● 2016-09-24 16:56:10
● 2017-06-19 05:27:58
○ 2026-02-19 20:38:18
○ 2026-03-25 07:32:20

●A64.99.64.372026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-19 05:27:58
● 2026-02-19 20:38:18
● 2026-03-25 07:32:20

○A74.208.84.1922015-06-16 → 2016-04-11 · 4 obs

● 2015-06-16 07:42:06
● 2016-04-11 11:46:40
○ 2016-09-24 16:56:10
○ 2026-03-25 07:32:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	e.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net...	-
optimumvision.net	ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com	-

✅ Authoritative Response

Server:216.40.47.90

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimumvision.net (unsigned zone)

⏱️ Timing

Total: 543ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.99.64.37`
NS	3	`ns2.systemdns.com, ns1.systemdns.com...`
MX	3	`mx2.zoho.com (pri: 20), mx3.zoho.com (pri: 50)...`
TXT	1	`v=spf1 include:zohomail.com ~all`
SOA	1	`ns1.systemdns.com hostmaster.systemdns.c`

Analysis

Hierarchy

optimumvision.net is a parent of www.optimumvision.net.

IP Addresses

optimumvision.net points to a single IP address: 64.99.64.37.

Other host names such as elenpm.com, mybro.online, poltv.com, reikistones.com and fraservalleytruckparts.ca share IP numbers with optimumvision.net.

Name Servers

optimumvision.net is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.

At least part of the name servers for optimumvision.net are shared with other domains, for instance levcafe.com, innovationonai.com, thefarmhousegallery.com, anewworldchristianlearningctr.com and cm2.com.

Host names with two IP numbers:

ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90

ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16

ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36

Mail Servers

Three mail servers handle optimumvision.net: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

optimumvision.net shares at least some mail servers with other domains, for example asiancemagazine.com, addesignsolutions.net, imtihan-vyapaar.com, tectanic.com and fsbgroup.co.za.

Host names with two IP numbers: The host name mx.zoho.com points to 136.143.183.44 and 136.143.191.44.

Host names with one IP number: The host name mx2.zoho.com points to 136.143.183.44. The host name mx3.zoho.com points to 136.143.191.44.

Host names that point to 136.143.183.44: mx.zoho.com and mx2.zoho.com.

Host names that point to 136.143.191.44: mx.zoho.com and mx3.zoho.com.

optimumvision.net - robtex.com