`openlearning.org`

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`
SOA	`ns1.digitalocean.com`hostmaster@openlearning.org serial=0

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776971780

Same first word

Similar names

onlinepengar.se

pengaronline.com

learningopen.com

pengaronline.se

DNS History

12 records (3 active, 9 former)

●NSns1.digitalocean.com2020-03-06 → 2026-04-23 · 3 obs

○ 2017-03-20 17:19:56
● 2020-03-06 01:24:18
● 2026-04-23 19:30:42

○NSns1.rookdns.com2015-07-18 → 2016-06-26 · 4 obs

● 2015-07-18 12:58:10
● 2016-06-26 00:48:10
○ 2017-03-20 17:19:56
○ 2026-04-23 19:30:42

○NSns1.sedoparking.com2017-03-20 → 2017-03-20 · 4 obs

○ 2016-06-26 00:48:10
● 2017-03-20 17:19:56
○ 2020-03-06 01:24:18
○ 2026-04-23 19:30:42

●NSns2.digitalocean.com2020-03-06 → 2026-04-23 · 3 obs

○ 2017-03-20 17:19:56
● 2020-03-06 01:24:18
● 2026-04-23 19:30:42

○NSns2.rookdns.com2015-07-18 → 2016-06-26 · 4 obs

● 2015-07-18 12:58:10
● 2016-06-26 00:48:10
○ 2017-03-20 17:19:56
○ 2026-04-23 19:30:42

○NSns2.sedoparking.com2017-03-20 → 2017-03-20 · 4 obs

○ 2016-06-26 00:48:10
● 2017-03-20 17:19:56
○ 2020-03-06 01:24:18
○ 2026-04-23 19:30:42

●NSns3.digitalocean.com2020-03-06 → 2026-04-23 · 3 obs

○ 2017-03-20 17:19:56
● 2020-03-06 01:24:18
● 2026-04-23 19:30:42

○MXlocalhost2017-03-20 → 2017-03-20 · 4 obs

○ 2016-06-26 00:48:10
● 2017-03-20 17:19:56
○ 2020-03-06 01:24:18
○ 2026-04-23 19:30:42

○MXmail.mxproc.com2015-07-18 → 2016-02-11 · 4 obs

● 2015-07-18 12:58:10
● 2016-02-11 12:55:04
○ 2016-06-26 00:48:10
○ 2026-04-23 19:30:42

○MXmail.replyingback.com2016-06-26 → 2016-06-26 · 4 obs

○ 2016-02-11 12:55:04
● 2016-06-26 00:48:10
○ 2017-03-20 17:19:56
○ 2026-04-23 19:30:42

○A141.8.224.252015-07-18 → 2016-06-26 · 4 obs

● 2015-07-18 12:58:10
● 2016-06-26 00:48:10
○ 2017-03-20 17:19:56
○ 2026-04-23 19:30:42

○A72.52.4.1222017-03-20 → 2017-03-20 · 4 obs

○ 2016-06-26 00:48:10
● 2017-03-20 17:19:56
○ 2020-03-06 01:24:18
○ 2026-04-23 19:30:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
openlearning.org	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	-

✅ Authoritative Response

Server:172.64.49.209

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openlearning.org (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns3.digitalocean.com, ns2.digitalocean.com...`
SOA	1	`ns1.digitalocean.com hostmaster.openlear`

Analysis

Name Servers

openlearning.org is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

openlearning.org at least partially shares name servers with other domains, for example tarkalabs.com, anfeli.com.br, beingproactive.org, qute.dog and 115.131.104.in-addr.arpa.

these name servers are commonly used alongside ns4.digitalocean.com name servers.

Host names with two IP numbers:

ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210

ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21

ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209

openlearning.org - robtex.com