openlearning.cc - dns.ninja

`openlearning.cc`

DNSSEC	⚠️ Not signed
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
TXT	`google-site-verification = kiRok_W2eob7AzwSVNx9xt0qYzA1O5lETgHvGyC42vI`
SOA	`ns1.digitalocean.com`hostmaster@openlearning.cc serial=0

`cc`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ac1.nstld.com` ⭐
	NS	`ac2.nstld.com`
	NS	`ac3.nstld.com`
	NS	`ac4.nstld.com`
	SOA	`ac1.nstld.com`info@verisign-grs.com serial=1782701867

Subdomains

www.openlearning.cc

vps.openlearning.cc

wiki.openlearning.cc

Same first word

Similar names

onlinepengar.se

pengaronline.com

learningopen.com

pengaronline.se

DNS History

15 records (3 active, 12 former)

○NSdns1.registrar-servers.com2019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○NSdns2.registrar-servers.com2019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

●NSns1.digitalocean.com2026-03-28 → 2026-06-29 · 3 obs

○ 2019-02-12 11:25:38
● 2026-03-28 07:15:58
● 2026-06-29 03:04:12

●NSns2.digitalocean.com2026-03-28 → 2026-06-29 · 3 obs

○ 2019-02-12 11:25:38
● 2026-03-28 07:15:58
● 2026-06-29 03:04:12

●NSns3.digitalocean.com2026-03-28 → 2026-06-29 · 3 obs

○ 2019-02-12 11:25:38
● 2026-03-28 07:15:58
● 2026-06-29 03:04:12

○MXeforward1.registrar-servers.com2019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○MXeforward2.registrar-servers.com2019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○MXeforward3.registrar-servers.com2019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○MXeforward4.registrar-servers.com2019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○MXeforward5.registrar-servers.com2019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○A185.199.108.1532019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○A185.199.109.1532019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○A185.199.110.1532019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○A185.199.111.1532019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

○A192.64.119.62019-02-12 → 2019-02-12 · 3 obs

● 2019-02-12 11:25:38
○ 2026-03-28 07:15:58
○ 2026-06-29 03:04:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cc	ac3.nstld.com, ac1.nstld.com, ac4.nstld.com, ac2.nstld.com	-
openlearning.cc	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	-

✅ Authoritative Response

Server:172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openlearning.cc (unsigned zone)

⏱️ Timing

Total: 167ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns2.digitalocean.com, ns3.digitalocean.com...`
TXT	1	`google-site-verification = kiRok_W2eob7A`
SOA	1	`ns1.digitalocean.com hostmaster.openlear`

Analysis

Hierarchy

www.openlearning.cc, vps.openlearning.cc and wiki.openlearning.cc each fall under the parent domain openlearning.cc.

Name Servers

openlearning.cc has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

openlearning.cc partially shares its NS delegation with several other domains, including medicorp.sk, buyshield.com, visbending.is and two others.

Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.