opencolearn.com - dns.ninja
opencolearn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:614🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:714🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:4b24🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.6.20Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.7.20Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.75.36🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jake.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b7a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jake.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c17a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jake.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:217a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jake.ns.cloudflare.com | ||||||
| A | 108.162.193.122🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jake.ns.cloudflare.com | ||||||
| A | 172.64.33.122🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jake.ns.cloudflare.com | ||||||
| A | 173.245.59.122🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jake.ns.cloudflare.com | ||||||
| NS | karina.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ab2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | karina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | karina.ns.cloudflare.com | ||||||
| A | 108.162.192.178🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karina.ns.cloudflare.com | ||||||
| A | 172.64.32.178🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karina.ns.cloudflare.com | ||||||
| A | 173.245.58.178🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karina.ns.cloudflare.com | ||||||
| TXT | google-site-verification=ALR89cn3NuIXXdtPJMKjgnO8E2aaMZ7OICZiBDrxxRU | ||||||
| TXT | google-site-verification=IF5squsCTPdostrvNLdm9xRybcA0Lt-sHRMUIch9j84 | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.26.6.20, 104.26.7.20, 172.67.75.36 | ||||||
| IPv6 hints | 2606:4700:20::681a:614, 2606:4700:20::681a:714, 2606:4700:20::ac43:4b24 | ||||||
| SOA | jake.ns.cloudflare.comdns@cloudflare.com serial=2410995759 | ||||||
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=1786046709 | ||||||
Same first word
opencolearn.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSjake.ns.cloudflare.com2026-02-16 → 2026-08-06 · 2 obs
● 2026-08-06 20:18:06
●NSkarina.ns.cloudflare.com2026-02-16 → 2026-08-06 · 2 obs
● 2026-08-06 20:18:06
●A104.26.6.202026-02-16 → 2026-08-06 · 2 obs
● 2026-08-06 20:18:06
●A104.26.7.202026-02-16 → 2026-08-06 · 2 obs
● 2026-08-06 20:18:06
●A172.67.75.362026-02-16 → 2026-08-06 · 2 obs
● 2026-08-06 20:18:06
●A2606:4700:20::681a:6142026-02-16 → 2026-08-06 · 2 obs
● 2026-08-06 20:18:06
●A2606:4700:20::681a:7142026-02-16 → 2026-08-06 · 2 obs
● 2026-08-06 20:18:06
●A2606:4700:20::ac43:4b242026-02-16 → 2026-08-06 · 2 obs
● 2026-08-06 20:18:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net... | - |
| opencolearn.com | jake.ns.cloudflare.com, karina.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.122
NS records: jake.ns.cloudflare.com, karina.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencolearn.com (unsigned zone)
⏱️ Timing
Total: 189ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 172.67.75.36, 104.26.6.20... |
| AAAA | 3 | 2606:4700:20::681a:614, 2606:4700:20::ac43:4b24... |
| NS | 2 | jake.ns.cloudflare.com, karina.ns.cloudflare.com |
| TXT | 2 | google-site-verification=ALR89cn3NuIXXdt, google-site-verification=IF5squsCTPdostr |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | jake.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (jake.ns.cloudflare.com, jake.ns.cloudflare.com, jake.ns.cloudflare.com...)
Analysis
IP Addresses
With 6 IP addresses in total, opencolearn.com resolves to 104.26.6.20, 104.26.7.20, 172.67.75.36 and 3 other.
Among the host names that share IP numbers with opencolearn.com are ovo.net, connect.agileit.com, freshcleanthreads.com and two others.
Name Servers
opencolearn.com is delegated to two name servers: jake.ns.cloudflare.com and karina.ns.cloudflare.com.
opencolearn.com has the same name server delegation as a number of other domains, such as oceonica.com, 2share.info, solarpanelsonsale.com and two more.
opencolearn.com partially shares its NS delegation with several other domains, including lionzer.de, heritec.com, apppiggy.com and two others.
These name servers often co-occur with the name servers sue.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
jake.ns.cloudflare.com resolves to 108.162.193.122, 172.64.33.122, 173.245.59.122 and 3 other IP addresses.
karina.ns.cloudflare.com resolves to 108.162.192.178, 172.64.32.178, 173.245.58.178 and 3 other IP addresses.