northernoptometry.com - robtex.com
northernoptometry.com
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.netnstld@verisign-grs.com serial=1778729041 | ||||||
Same first word
northernoptometry.com |
DNS History
10 records (6 active, 4 former)
○MXmx1.vianet.ca2016-12-14 → 2017-09-15 · 4 obs
● 2017-09-15 20:17:50
○ 2026-03-18 19:46:52
○ 2026-05-14 03:31:26
○MXmx2.vianet.ca2016-12-14 → 2017-09-15 · 4 obs
● 2017-09-15 20:17:50
○ 2026-03-18 19:46:52
○ 2026-05-14 03:31:26
○MXmx3.vianet.ca2016-12-14 → 2017-09-15 · 4 obs
● 2017-09-15 20:17:50
○ 2026-03-18 19:46:52
○ 2026-05-14 03:31:26
○MXmx4.vianet.ca2016-12-14 → 2017-09-15 · 4 obs
● 2017-09-15 20:17:50
○ 2026-03-18 19:46:52
○ 2026-05-14 03:31:26
●MXnorthernoptometry-com.mail.protection.outlook.com2026-03-18 → 2026-05-14 · 3 obs
● 2026-03-18 19:46:52
● 2026-05-14 03:31:26
●A209.91.128.1422016-12-14 → 2026-05-14 · 2 obs
● 2026-05-14 03:31:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| northernoptometry.com | ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca, ns4.vianet.ca | - |
✅ Authoritative Response
Server:209.91.174.60
NS records: ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca, ns4.vianet.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for northernoptometry.com (unsigned zone)
⏱️ Timing
Total: 849ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.91.128.142 |
| NS | 4 | ns1.vianet.ca, ns2.vianet.ca... |
| MX | 1 | northernoptometry-com.mail.protection.ou |
| TXT | 2 | MS=ms86079238, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.vianet.ca dns.vianet.ca |
Analysis
IP Addresses
northernoptometry.com points to a single IP address: 209.91.128.142.
Other host names such as henveyinlet.com, birchwood-cottages.com, www.murraydodgeram.com, police.sudbury.on.ca and mbedford.com share IPs with northernoptometry.com.
Name Servers
northernoptometry.com is delegated to four name servers: ns1.vianet.ca, ns2.vianet.ca, ns3.vianet.ca and ns4.vianet.ca.
northernoptometry.com at least partially shares name servers with other domains, for example muskoka-ontario.com, 187.91.209.in-addr.arpa, carelink.com, 158.91.209.in-addr.arpa and deepnet.cx.
Name servers ns5.vianet.ca, ns6.vianet.ca, gwn.vianet.on.ca, icewall.vianet.on.ca, ns1.muskoka.com, ns2.muskoka.com and ns3.muskoka.com are commonly used together.
Host names with one IP number:
ns1.vianet.ca points to: 209.91.128.30
ns2.vianet.ca points to: 204.187.89.10
ns3.vianet.ca points to: 209.91.174.60
ns4.vianet.ca points to: 204.187.88.5
Mail Servers
The northernoptometry-com.mail.protection.outlook.com mail server handles northernoptometry.com.
northernoptometry-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c942::1, 2a01:111:f403:c942::3, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 52.101.190.1, 52.101.190.2, 52.101.190.3 and 52.101.192.1.