optc.ca - dns.ninja
optc.ca
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=2606211530 | ||||||
Same first word
Similar names
DNS History
15 records (12 active, 3 former)
○NSdns.internic.ca2015-08-20 → 2017-03-21 · 4 obs
● 2017-03-21 04:10:04
○ 2020-01-24 19:47:08
○ 2026-06-21 16:45:30
○NSdns2.internic.ca2015-08-20 → 2017-03-21 · 4 obs
● 2017-03-21 04:10:04
○ 2020-01-24 19:47:08
○ 2026-06-21 16:45:30
●NSns-cloud-c1.googledomains.com2020-01-24 → 2026-06-21 · 3 obs
● 2020-01-24 19:47:08
● 2026-06-21 16:45:30
●NSns-cloud-c2.googledomains.com2020-01-24 → 2026-06-21 · 3 obs
● 2020-01-24 19:47:08
● 2026-06-21 16:45:30
●NSns-cloud-c3.googledomains.com2020-01-24 → 2026-06-21 · 3 obs
● 2020-01-24 19:47:08
● 2026-06-21 16:45:30
●NSns-cloud-c4.googledomains.com2020-01-24 → 2026-06-21 · 3 obs
● 2020-01-24 19:47:08
● 2026-06-21 16:45:30
●MXalt1.aspmx.l.google.com2015-08-20 → 2026-06-21 · 2 obs
● 2026-06-21 16:45:30
●MXalt2.aspmx.l.google.com2015-08-20 → 2026-06-21 · 2 obs
● 2026-06-21 16:45:30
●MXaspmx.l.google.com2015-08-20 → 2026-06-21 · 2 obs
● 2026-06-21 16:45:30
●MXaspmx2.googlemail.com2015-08-20 → 2026-06-21 · 2 obs
● 2026-06-21 16:45:30
●MXaspmx3.googlemail.com2015-08-20 → 2026-06-21 · 2 obs
● 2026-06-21 16:45:30
●MXaspmx4.googlemail.com2015-08-20 → 2026-06-21 · 2 obs
● 2026-06-21 16:45:30
●MXaspmx5.googlemail.com2015-08-20 → 2026-06-21 · 2 obs
● 2026-06-21 16:45:30
●A198.49.23.1452026-03-26 → 2026-06-21 · 3 obs
● 2026-03-26 02:20:18
● 2026-06-21 16:45:30
○A70.28.80.1702015-08-20 → 2020-01-24 · 4 obs
● 2020-01-24 19:47:08
○ 2026-03-26 02:20:18
○ 2026-06-21 16:45:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca | - |
| optc.ca | ns-cloud-c1.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c2.googledomains.com | - |
✅ Authoritative Response
Server:216.239.36.108
NS records: ns-cloud-c1.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c2.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optc.ca (unsigned zone)
⏱️ Timing
Total: 598ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.49.23.145 |
| NS | 4 | ns-cloud-c2.googledomains.com, ns-cloud-c1.googledomains.com... |
| MX | 7 | aspmx3.googlemail.com (pri: 30), aspmx2.googlemail.com (pri: 30)... |
| SOA | 1 | ns-cloud-c1.googledomains.com cloud-dns- |
Analysis
IP Addresses
optc.ca directs to one IP number, which is 198.49.23.145.
Among the host names that share IP numbers with optc.ca are mentr.us, affordaballgolf.com, southernbarbering.com and two others.
Name Servers
The domain optc.ca is delegated to these four name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
optc.ca partially shares its NS delegation with several other domains, including statlog.com, yanda.info, hitchco.net and two others.
These name servers are regularly seen alongside ns1.mirusresearch.com and ns2.mir.us as name servers.
ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com each carry two IP addresses. ns-cloud-c1.googledomains.com has 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com has 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com has 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com has 216.239.38.108 and 2001:4860:4802:38::6c.
Mail Servers
The MX records for optc.ca point to 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
optc.ca shares at least some of its mail servers with other domains — for example porcinetics.com, amandakinghomes.com, ecosmartfire.com.au and two more.
It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.
aspmx.l.google.com points to 192.178.155.27 and 2607:f8b0:4004:c25::1b.
alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1b IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.27 IP addresses.