openlearning.org - dns.ninja

openlearning.org

DNSSEC⚠️ Not signed
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
SOAns1.digitalocean.comhostmaster@openlearning.org serial=0

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1782126699

Same first word

openlearning.in
openlearning.es
openlearning.ch
openlearning.cc
openlearning.org
openlearning.de
openlearning.edu.vn
openlearning.pl
openlearning.co.nz
openlearning.id
openlearning.com
openlearning.ca
openlearning.cn
openlearning.info
openlearning.eu
openlearning.azureedge.net
openlearning.cz
openlearning.me
openlearning.net

Similar names

onlinepengar.se
pengaronline.com
learningopen.com
pengaronline.se

DNS History

12 records (3 active, 9 former)

20162017201820192020202120222023202420252026NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comns1.rookdns.comns1.sedoparking.comns2.rookdns.comns2.sedoparking.comMXlocalhostmail.mxproc.commail.replyingback.comA141.8.224.2572.52.4.122
●NSns1.digitalocean.com2020-03-06 → 2026-06-22 · 3 obs
○ 2017-03-20 17:19:56
● 2020-03-06 01:24:18
● 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44
●NSns2.digitalocean.com2020-03-06 → 2026-06-22 · 3 obs
○ 2017-03-20 17:19:56
● 2020-03-06 01:24:18
● 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44
●NSns3.digitalocean.com2020-03-06 → 2026-06-22 · 3 obs
○ 2017-03-20 17:19:56
● 2020-03-06 01:24:18
● 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44
○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
○ 2026-06-22 11:46:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
openlearning.orgns2.digitalocean.com, ns3.digitalocean.com, ns1.digitalocean.com-

✅ Authoritative Response

Server:172.64.53.21

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openlearning.org (unsigned zone)

⏱️ Timing

Total: 342ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns2.digitalocean.com, ns1.digitalocean.com...
SOA1ns1.digitalocean.com hostmaster.openlear

Analysis

Name Servers

Three name servers are authoritative for openlearning.org: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

openlearning.org partially shares its NS delegation with several other domains, including tarkalabs.com, anfeli.com.br, beingproactive.org and two others.

These name servers often co-occur with the name servers ns4.digitalocean.com.

ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1. All three hostnames point to two IP numbers each.