`optometryonline.net`

DNSSEC	⚠️ Not signed
NS	`ns1.carrierzone.com` ⭐
		A	2001:1810:9980:3::10^{🇨🇦 INFB2001:1810:9980::/48 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns1.carrierzone.com`
		A	66.175.41.100^{🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns1.carrierzone.com`
NS	`ns2.carrierzone.com`
		A	2001:1810:4000:3::10^{🇨🇦 INFB2001:1810:4000::/35 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns2.carrierzone.com`
		A	209.235.144.104^{🇨🇦 INFB209.235.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns2.carrierzone.com`
NS	`ns3.carrierzone.com`
		A	2001:1810:1000:3::10^{🇨🇦 INFB2001:1810:1000::/36}
			PTR	`ns3.myebiz.ca`
			PTR	`ns3.carrierzone.com`
		A	69.49.97.154^{🇨🇦 INFB69.49.96.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns3.carrierzone.com`
NS	`ns4.carrierzone.com`
		A	2001:1810:4000:3::11^{🇨🇦 INFB2001:1810:4000::/35 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns4.carrierzone.com`
		A	209.235.143.98^{🇨🇦 INFB209.235.128.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns4.carrierzone.com`
MX	`mx1c26.carrierzone.com` ⭐
		A	64.29.151.41^{🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx1c26.carrierzone.com`
MX	`mx2c26.carrierzone.com`⁽¹⁰⁰⁾
		A	64.29.151.46^{🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx2c26.carrierzone.com`
MX	`mx3c26.carrierzone.com`⁽¹¹⁰⁾
		A	64.29.151.47^{🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx3c26.carrierzone.com`
MX	`mx4c26.carrierzone.com`⁽¹²⁰⁾
		A	64.29.151.48^{🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`mx4c26.carrierzone.com`
SOA	`ns1.carrierzone.com`postmaster@carrierzone.com 2016-05-18 #13

`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=1771291465

WOT: UNKNOWN (68/100)

Subdomains

www.optometryonline.net

Same first word

optometryonline.net

DNS History

11 records (8 active, 3 former)

○NSdns-1.bnguk.net2015-08-26 → 2016-03-11 · 4 obs

● 2015-08-26 12:23:36
● 2016-03-11 08:43:44
○ 2016-07-08 21:58:52
○ 2026-03-23 11:55:18

○NSdns-2.bnguk.net2015-08-26 → 2016-03-11 · 4 obs

● 2015-08-26 12:23:36
● 2016-03-11 08:43:44
○ 2016-07-08 21:58:52
○ 2026-03-23 11:55:18

●NSns1.carrierzone.com2016-07-08 → 2026-03-23 · 3 obs

○ 2016-03-11 08:43:44
● 2016-07-08 21:58:52
● 2026-03-23 11:55:18

●NSns2.carrierzone.com2016-07-08 → 2026-03-23 · 3 obs

○ 2016-03-11 08:43:44
● 2016-07-08 21:58:52
● 2026-03-23 11:55:18

●NSns3.carrierzone.com2016-07-08 → 2026-03-23 · 3 obs

○ 2016-03-11 08:43:44
● 2016-07-08 21:58:52
● 2026-03-23 11:55:18

●NSns4.carrierzone.com2016-07-08 → 2026-03-23 · 3 obs

○ 2016-03-11 08:43:44
● 2016-07-08 21:58:52
● 2026-03-23 11:55:18

●MXmx1c26.carrierzone.com2016-07-08 → 2026-03-23 · 3 obs

○ 2016-03-11 08:43:44
● 2016-07-08 21:58:52
● 2026-03-23 11:55:18

●MXmx2c26.carrierzone.com2016-07-08 → 2026-03-23 · 3 obs

○ 2016-03-11 08:43:44
● 2016-07-08 21:58:52
● 2026-03-23 11:55:18

●MXmx3c26.carrierzone.com2016-07-08 → 2026-03-23 · 3 obs

○ 2016-03-11 08:43:44
● 2016-07-08 21:58:52
● 2026-03-23 11:55:18

●MXmx4c26.carrierzone.com2016-07-08 → 2026-03-23 · 3 obs

○ 2016-03-11 08:43:44
● 2016-07-08 21:58:52
● 2026-03-23 11:55:18

○MXspamwall.bnguk.net2015-08-26 → 2016-03-11 · 4 obs

● 2015-08-26 12:23:36
● 2016-03-11 08:43:44
○ 2016-07-08 21:58:52
○ 2026-03-23 11:55:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optometryonline.net	ns1.carrierzone.com, ns2.carrierzone.com, ns3.carrierzone.com, ns4.carrierzone.com	-

✅ Authoritative Response

Server:66.175.41.100

NS records: ns1.carrierzone.com, ns2.carrierzone.com, ns3.carrierzone.com, ns4.carrierzone.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optometryonline.net (unsigned zone)

⏱️ Timing

Total: 557ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns3.carrierzone.com, ns2.carrierzone.com...`
MX	4	`mx3c26.carrierzone.com (pri: 110), mx2c26.carrierzone.com (pri: 100)...`
SOA	1	`ns1.carrierzone.com postmaster.carrierzo`

Analysis

Hierarchy

The parent of www.optometryonline.net is optometryonline.net.

Name Servers

optometryonline.net is delegated to four name servers: ns1.carrierzone.com, ns2.carrierzone.com, ns3.carrierzone.com and ns4.carrierzone.com.

optometryonline.net at least partially shares name servers with other domains, for instance 148.29.64.in-addr.arpa, dowmartin.com, cyem.com, mgtsol.com and fnbgrayson.com.

These name servers are commonly used alongside ns1.windstreamhosting.biz, ns2.windstreamhosting.biz, ns3.windstreamhosting.biz, ns4.windstreamhosting.biz, dns2.earthlink.net, dns3.earthlink.net, dns1.earthlink.net, ns1.x7hosting.com, ns2.x7hosting.com and ns3.x7hosting.com.

Host names with two IP numbers: ns1.carrierzone.com points to 2001:1810:9980:3::10 and 66.175.41.100; ns2.carrierzone.com points to 2001:1810:4000:3::10 and 209.235.144.104; ns3.carrierzone.com points to 2001:1810:1000:3::10 and 69.49.97.154; ns4.carrierzone.com points to 2001:1810:4000:3::11 and 209.235.143.98.

Mail Servers

Four mail servers handle optometryonline.net: mx1c26.carrierzone.com, mx2c26.carrierzone.com, mx3c26.carrierzone.com and mx4c26.carrierzone.com.

optometryonline.net shares at least partially some mail servers with other domains, including ouvip.com, plymouthonline.net, hostopia-ispmail.com, breathemail.net and myfwi.co.uk.

Host names with one IP number:

mx1c26.carrierzone.com points to 64.29.151.41.

mx2c26.carrierzone.com points to 64.29.151.46.

mx3c26.carrierzone.com points to 64.29.151.47.

mx4c26.carrierzone.com points to 64.29.151.48.

optometryonline.net - robtex.com