openedcourse.org - dns.ninja

openedcourse.org

DNSSEC⚠️ Not signed
A66.96.149.25🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc
PTR25.149.96.66.static.eigbox.net
NSns1.dotster.com ⭐
A172.64.52.250Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.dotster.com
A172.64.53.155Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmx.openedcourse.org ⭐
TXTv=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all
SOAns1.dotster.comdnsadmin@dotster.com 2012-08-30 #49

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=1783508718

Previously MX for

openedcourse.org

Same first word

openedcourse.net
openedcourse.com
openedcourse.org

Similar names

openedsource.net
eneproducoes.com
opensourceed.com

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSns1.dotster.comns2.dotster.comns1.cloudweb.comns1.innoscale.netns2.cloudweb.comns2.innoscale.netMXmx.openedcourse.orgopenedcourse.orgA66.96.149.25204.11.19.8
○NSns1.cloudweb.com2015-05-05 → 2015-12-17 · 4 obs
● 2015-05-05 15:09:40
● 2015-12-17 06:07:20
○ 2016-04-22 22:42:36
○ 2026-07-08 11:13:58
●NSns1.dotster.com2018-05-28 → 2026-07-08 · 3 obs
○ 2016-12-31 12:54:42
● 2018-05-28 21:42:58
● 2026-07-08 11:13:58
○NSns1.innoscale.net2016-04-22 → 2016-12-31 · 5 obs
○ 2015-12-17 06:07:20
● 2016-04-22 22:42:36
● 2016-12-31 12:54:42
○ 2018-05-28 21:42:58
○ 2026-07-08 11:13:58
○NSns2.cloudweb.com2015-05-05 → 2015-12-17 · 4 obs
● 2015-05-05 15:09:40
● 2015-12-17 06:07:20
○ 2016-04-22 22:42:36
○ 2026-07-08 11:13:58
●NSns2.dotster.com2018-05-28 → 2026-07-08 · 3 obs
○ 2016-12-31 12:54:42
● 2018-05-28 21:42:58
● 2026-07-08 11:13:58
○NSns2.innoscale.net2016-04-22 → 2016-12-31 · 5 obs
○ 2015-12-17 06:07:20
● 2016-04-22 22:42:36
● 2016-12-31 12:54:42
○ 2018-05-28 21:42:58
○ 2026-07-08 11:13:58
●MXmx.openedcourse.org2018-05-28 → 2026-07-08 · 3 obs
○ 2016-12-31 12:54:42
● 2018-05-28 21:42:58
● 2026-07-08 11:13:58
○MXopenedcourse.org2015-05-05 → 2016-12-31 · 4 obs
● 2015-05-05 15:09:40
● 2016-12-31 12:54:42
○ 2018-05-28 21:42:58
○ 2026-07-08 11:13:58
○A204.11.19.82015-05-05 → 2016-12-31 · 4 obs
● 2015-05-05 15:09:40
● 2016-12-31 12:54:42
○ 2018-05-28 21:42:58
○ 2026-07-08 11:13:58
●A66.96.149.252018-05-28 → 2026-07-08 · 3 obs
○ 2016-12-31 12:54:42
● 2018-05-28 21:42:58
● 2026-07-08 11:13:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
openedcourse.orgns2.dotster.com, ns1.dotster.com-

✅ Authoritative Response

Server:172.64.53.155

NS records: ns2.dotster.com, ns1.dotster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openedcourse.org (unsigned zone)

⏱️ Timing

Total: 1159ms | Queries: -

📄 Records

TypeCountSample Data
A166.96.149.25
NS2ns1.dotster.com, ns2.dotster.com
MX1mx.openedcourse.org (pri: 30)
TXT1v=spf1 ip4:66.96.128.0/18 include:websit
SOA1ns1.dotster.com dnsadmin.dotster.com

Analysis

IP Addresses

openedcourse.org resolves to one IP address: 66.96.149.25.

Other host names, for instance falcongeneralcontractors.com, mickeymix.com, merpatiusa.com and two other share IP numbers with openedcourse.org.

Name Servers

DNS delegation for openedcourse.org points to two name servers: ns1.dotster.com and ns2.dotster.com.

ns1.dotster.com directs to 172.64.52.250 and ns2.dotster.com directs to 172.64.53.155; each host name points to exactly one IP number.

Mail Servers

Mail for openedcourse.org is handled by a single mail server, mx.openedcourse.org.