next-optical.ca - robtex.com
next-optical.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.233.80.172🇸🇬 CONTABO-ASIA194.233.80.0/22 Contabo Asia Private Limited 8 Robinson Road, 13-00 ASO Building | ||||||
| PTR | vmi3058921.contaboserver.net | ||||||
| NS | ns1.a2hosting.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.a2hosting.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.a2hosting.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.a2hosting.com | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | mail.next-optical.ca ⭐ | ||||||
| A | 200.69.22.7🇦🇷 A2HOSTING200.69.20.0/22 A2 Hosting, Inc. | ||||||
| PTR | sg1-cl9-its1.a2hosting.com | ||||||
| TXT | v=spf1 +a +mx +ip4:200.69.22.7 include:spf.a2hosting.com ~all | ||||||
| SOA | ns1.a2hosting.comroot@sg1-cl9-its1.a2hosting.com 2025-01-16 #12 | ||||||
ca
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca ⭐ | ||||||
| NS | any.ca-servers.ca | ||||||
| NS | c.ca-servers.ca | ||||||
| NS | d.ca-servers.ca | ||||||
| NS | j.ca-servers.ca | ||||||
| SOA | prd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2603260500 | ||||||
Previously MX for
next-optical.ca |
Subdomains
mail.next-optical.ca |
Same first word
next-optical.ca |
DNS History
13 records (6 active, 7 former)
●NSns1.a2hosting.com2026-03-19 → 2026-03-26 · 3 obs
● 2026-03-19 15:04:06
● 2026-03-26 05:19:18
○NSns1.hostpapa.com2015-06-27 → 2020-02-25 · 4 obs
● 2020-02-25 17:03:44
○ 2026-03-19 15:04:06
○ 2026-03-26 05:19:18
●NSns2.a2hosting.com2026-03-19 → 2026-03-26 · 3 obs
● 2026-03-19 15:04:06
● 2026-03-26 05:19:18
○NSns2.hostpapa.com2015-06-27 → 2020-02-25 · 4 obs
● 2020-02-25 17:03:44
○ 2026-03-19 15:04:06
○ 2026-03-26 05:19:18
●NSns3.a2hosting.com2026-03-19 → 2026-03-26 · 3 obs
● 2026-03-19 15:04:06
● 2026-03-26 05:19:18
●NSns4.a2hosting.com2026-03-19 → 2026-03-26 · 3 obs
● 2026-03-19 15:04:06
● 2026-03-26 05:19:18
●MXmail.next-optical.ca2026-03-19 → 2026-03-26 · 3 obs
● 2026-03-19 15:04:06
● 2026-03-26 05:19:18
○MXms70116607.msv1.invalid.outlook.com2015-06-27 → 2020-02-25 · 4 obs
● 2020-02-25 17:03:44
○ 2026-03-19 15:04:06
○ 2026-03-26 05:19:18
○MXnext-optical.ca2015-06-27 → 2020-02-25 · 4 obs
● 2020-02-25 17:03:44
○ 2026-03-19 15:04:06
○ 2026-03-26 05:19:18
○MXnextoptical-ca01b.mail.protection.outlook.com2015-06-27 → 2020-02-25 · 4 obs
● 2020-02-25 17:03:44
○ 2026-03-19 15:04:06
○ 2026-03-26 05:19:18
●A194.233.80.1722026-03-19 → 2026-03-26 · 3 obs
● 2026-03-19 15:04:06
● 2026-03-26 05:19:18
○A69.90.163.1862020-02-25 → 2020-02-25 · 4 obs
● 2020-02-25 17:03:44
○ 2026-03-19 15:04:06
○ 2026-03-26 05:19:18
○A76.74.242.2022015-06-27 → 2017-03-16 · 4 obs
● 2017-03-16 02:03:30
○ 2020-02-25 17:03:44
○ 2026-03-26 05:19:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca | - |
| next-optical.ca | ns2.a2hosting.com, ns1.a2hosting.com, ns4.a2hosting.com, ns3.a2hosting.com | - |
✅ Authoritative Response
Server:75.2.118.134
NS records: ns2.a2hosting.com, ns1.a2hosting.com, ns4.a2hosting.com, ns3.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for next-optical.ca (unsigned zone)
⏱️ Timing
Total: 259ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.233.80.172 |
| NS | 4 | ns1.a2hosting.com, ns4.a2hosting.com... |
| MX | 1 | mail.next-optical.ca (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:200.69.22.7 include:s |
| SOA | 1 | ns1.a2hosting.com root.sg1-cl9-its1.a2ho |
Analysis
Hierarchy
The parent of mail.next-optical.ca is next-optical.ca.
IP Addresses
next-optical.ca points to a single IP number: 194.233.80.172.
Other host names, for instance fastnews.gr, newsring.fr, samojed.se, www.cargorail.ru and vmi3058921.contaboserver.net share IP numbers with next-optical.ca.
Name Servers
next-optical.ca is delegated to four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
next-optical.ca shares name servers with other domains at least partially, for instance metitlesearch.com, novelfixer.com, thebandmates.com, wockoliver.com and isodoc.co.
these name servers are commonly used together with ns1.a2webhosting.com and ns2.a2webhosting.com.
Host names with a single IP:
ns1.a2hosting.com points to 13.248.158.180.
ns2.a2hosting.com points to 75.2.118.134.
ns3.a2hosting.com points to 76.223.26.245.
ns4.a2hosting.com points to 99.83.147.209.
Mail Servers
The mail server for next-optical.ca is mail.next-optical.ca.
Host name mail.next-optical.ca resolves to IP 200.69.22.7.