optobook.ca - dns.ninja
optobook.ca
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sandbook.ca ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:20::681a:862🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2606:4700:20::681a:962🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2606:4700:20::ac43:4539🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.26.8.98Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.26.9.98Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.67.69.57🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.sandbook.ca ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:20::681a:862🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2606:4700:20::681a:962🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2606:4700:20::ac43:4539🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.26.8.98Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.26.9.98Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.67.69.57🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=2608111200 | ||||||
Previously MX for
optobook.ca |
Same first word
Similar names
DNS History
9 records (2 active, 7 former)
○NSns1.optobook.ca2015-07-17 → 2015-11-24 · 4 obs
● 2015-11-24 21:01:32
○ 2016-01-15 11:45:12
○ 2026-08-11 12:14:56
●NSns1.sandbook.ca2026-03-03 → 2026-08-11 · 3 obs
● 2026-03-03 03:05:20
● 2026-08-11 12:14:56
○NSns1.visual-book.ca2016-01-15 → 2017-08-06 · 5 obs
● 2016-01-15 11:45:12
● 2017-08-06 18:41:36
○ 2026-03-03 03:05:20
○ 2026-08-11 12:14:56
○NSns2.optobook.ca2015-07-17 → 2015-11-24 · 4 obs
● 2015-11-24 21:01:32
○ 2016-01-15 11:45:12
○ 2026-08-11 12:14:56
●NSns2.sandbook.ca2026-03-03 → 2026-08-11 · 3 obs
● 2026-03-03 03:05:20
● 2026-08-11 12:14:56
○NSns2.visual-book.ca2016-01-15 → 2017-08-06 · 5 obs
● 2016-01-15 11:45:12
● 2017-08-06 18:41:36
○ 2026-03-03 03:05:20
○ 2026-08-11 12:14:56
○MXoptobook.ca2015-07-17 → 2017-08-06 · 4 obs
● 2017-08-06 18:41:36
○ 2026-03-03 03:05:20
○ 2026-08-11 12:14:56
○A67.231.30.492016-01-15 → 2017-08-06 · 5 obs
● 2016-01-15 11:45:12
● 2017-08-06 18:41:36
○ 2026-03-03 03:05:20
○ 2026-08-11 12:14:56
○A67.231.30.722015-07-17 → 2015-11-24 · 4 obs
● 2015-11-24 21:01:32
○ 2016-01-15 11:45:12
○ 2026-08-11 12:14:56
🔍 DNS Trace
Analysis
Name Servers
optobook.ca uses two name servers for its delegation: ns1.sandbook.ca and ns2.sandbook.ca.
Host names resolving to 6 IP numbers:
Hostname ns1.sandbook.ca directs to 104.26.8.98, 104.26.9.98 and 172.67.69.57 along with 3 other IP addresses.
Hostname ns2.sandbook.ca directs to 104.26.8.98, 104.26.9.98 and 172.67.69.57 along with 3 other IP addresses.
Both ns1.sandbook.ca and ns2.sandbook.ca resolve to 2606:4700:20::681a:862 IP addresses each.
Both ns1.sandbook.ca and ns2.sandbook.ca resolve to 2606:4700:20::681a:962 IP addresses each.
Both ns1.sandbook.ca and ns2.sandbook.ca resolve to 2606:4700:20::ac43:4539 IP addresses each.
Both ns1.sandbook.ca and ns2.sandbook.ca resolve to 104.26.8.98 IP addresses each.
Both ns1.sandbook.ca and ns2.sandbook.ca resolve to 104.26.9.98 IP addresses each.
Both ns1.sandbook.ca and ns2.sandbook.ca resolve to 172.67.69.57 IP addresses each.