courseguide.org - dns.ninja

courseguide.org

DNSSEC⚠️ Not signed
A34.120.190.48🇺🇸 Google34.120.0.0/14
PTR48.190.120.34.bc.googleusercontent.com
A34.149.36.179🇺🇸 Google34.148.0.0/14
A34.149.120.3🇺🇸 Google34.148.0.0/14
A35.190.31.54🇺🇸 Google35.190.0.0/16
NSns1.siteground.net ⭐
A75.2.77.104🇺🇸 Amazon75.2.64.0/20
PTRac4b097dbd0dd6307.awsglobalaccelerator.com
NSns2.siteground.net
A99.83.229.113🇺🇸 Amazon99.83.224.0/20
PTRac4b097dbd0dd6307.awsglobalaccelerator.com
MXmx10.mailspamprotection.com ⭐
A34.149.79.66🇺🇸 Google34.148.0.0/14
PTR66.79.149.34.bc.googleusercontent.com
MXmx20.mailspamprotection.com(20)
A34.120.156.61🇺🇸 Google34.120.0.0/14
PTR61.156.120.34.bc.googleusercontent.com
MXmx30.mailspamprotection.com(30)
A34.111.121.216🇺🇸 Google34.108.0.0/14
PTR216.121.111.34.bc.googleusercontent.com
TXTv=spf1 +a +mx +a:usm101.siteground.biz include:courseguide.org.spf.auto.dnss...
SOAns1.siteground.netroot@usm101.siteground.biz 2020-12-17 #86

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=1785205952

Subdomains

www.courseguide.org

Same first word

courseguide.de
courseguide.org
courseguide.com

Similar names

guidesource.com
ecuriesdugo.fr

DNS History

18 records (9 active, 9 former)

20162017201820192020202120222023202420252026NSns1.siteground.netns2.siteground.netns1.dreamhost.comns2.dreamhost.comns3.dreamhost.comMXmx10.mailspamprotection.commx20.mailspamprotection.commx30.mailspamprotection.comA34.120.190.4834.149.120.334.149.36.17935.190.31.54173.236.152.239173.236.158.10334.160.17.7134.160.81.20335.227.194.5135.244.153.44
○NSns1.dreamhost.com2015-08-23 → 2016-12-24 · 4 obs
● 2015-08-23 09:27:04
● 2016-12-24 04:32:26
○ 2026-03-10 19:22:46
○ 2026-07-28 03:01:08
●NSns1.siteground.net2026-03-10 → 2026-07-28 · 3 obs
○ 2016-12-24 04:32:26
● 2026-03-10 19:22:46
● 2026-07-28 03:01:08
○NSns2.dreamhost.com2015-08-23 → 2016-12-24 · 4 obs
● 2015-08-23 09:27:04
● 2016-12-24 04:32:26
○ 2026-03-10 19:22:46
○ 2026-07-28 03:01:08
●NSns2.siteground.net2026-03-10 → 2026-07-28 · 3 obs
○ 2016-12-24 04:32:26
● 2026-03-10 19:22:46
● 2026-07-28 03:01:08
○NSns3.dreamhost.com2015-08-23 → 2016-12-24 · 4 obs
● 2015-08-23 09:27:04
● 2016-12-24 04:32:26
○ 2026-03-10 19:22:46
○ 2026-07-28 03:01:08
●MXmx10.mailspamprotection.com2026-03-10 → 2026-07-28 · 2 obs
● 2026-03-10 19:22:46
● 2026-07-28 03:01:08
●MXmx20.mailspamprotection.com2026-03-10 → 2026-07-28 · 2 obs
● 2026-03-10 19:22:46
● 2026-07-28 03:01:08
●MXmx30.mailspamprotection.com2026-03-10 → 2026-07-28 · 2 obs
● 2026-03-10 19:22:46
● 2026-07-28 03:01:08
○A173.236.152.2392015-08-23 → 2016-02-25 · 4 obs
● 2015-08-23 09:27:04
● 2016-02-25 20:37:14
○ 2016-05-16 15:42:04
○ 2026-07-28 03:01:08
○A173.236.158.1032016-05-16 → 2016-12-24 · 5 obs
○ 2016-02-25 20:37:14
● 2016-05-16 15:42:04
● 2016-12-24 04:32:26
○ 2026-03-10 19:22:46
○ 2026-07-28 03:01:08
●A34.120.190.482026-03-10 → 2026-07-28 · 6 obs
○ 2016-12-24 04:32:26
● 2026-03-10 19:22:46
● 2026-03-27 12:10:32
○ 2026-04-01 11:54:46
● 2026-04-05 01:13:42
● 2026-07-28 03:01:08
●A34.149.120.32026-03-27 → 2026-07-28 · 6 obs
○ 2026-03-10 19:22:46
● 2026-03-27 12:10:32
● 2026-04-01 11:54:46
○ 2026-04-05 01:13:42
● 2026-07-15 13:08:08
● 2026-07-28 03:01:08
●A34.149.36.1792026-03-10 → 2026-07-28 · 5 obs
○ 2016-12-24 04:32:26
● 2026-03-10 19:22:46
● 2026-03-27 12:10:32
○ 2026-04-01 11:54:46
● 2026-07-28 03:01:08
○A34.160.17.712026-03-27 → 2026-03-27 · 4 obs
○ 2026-03-10 19:22:46
● 2026-03-27 12:10:32
○ 2026-04-01 11:54:46
○ 2026-07-28 03:01:08
○A34.160.81.2032026-03-10 → 2026-04-05 · 7 obs
○ 2016-12-24 04:32:26
● 2026-03-10 19:22:46
○ 2026-03-27 12:10:32
● 2026-04-01 11:54:46
● 2026-04-05 01:13:42
○ 2026-07-15 13:08:08
○ 2026-07-28 03:01:08
●A35.190.31.542026-04-01 → 2026-07-28 · 3 obs
○ 2026-03-27 12:10:32
● 2026-04-01 11:54:46
● 2026-07-28 03:01:08
○A35.227.194.512026-04-01 → 2026-04-01 · 4 obs
○ 2026-03-27 12:10:32
● 2026-04-01 11:54:46
○ 2026-04-05 01:13:42
○ 2026-07-28 03:01:08
○A35.244.153.442026-03-10 → 2026-04-05 · 6 obs
○ 2016-12-24 04:32:26
● 2026-03-10 19:22:46
○ 2026-03-27 12:10:32
○ 2026-04-01 11:54:46
● 2026-04-05 01:13:42
○ 2026-07-28 03:01:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
courseguide.orgns1.siteground.net, ns2.siteground.net-

✅ Authoritative Response

Server:75.2.77.104

NS records: ns1.siteground.net, ns2.siteground.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseguide.org (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

TypeCountSample Data
A434.149.36.179, 34.120.190.48...
NS2ns1.siteground.net, ns2.siteground.net
MX3mx10.mailspamprotection.com (pri: 10), mx30.mailspamprotection.com (pri: 30)...
TXT1v=spf1 +a +mx +a:usm101.siteground.biz
SOA1ns1.siteground.net root.usm101.sitegroun

Analysis

Hierarchy

courseguide.org is the parent zone for www.courseguide.org.

IP Addresses

courseguide.org has four IP addresses: 34.120.190.48, 34.149.36.179, 34.149.120.3 and 35.190.31.54.

Two other host names, along with bps.com.mx, nextsurvey.com and shanehost.com, also share IP numbers with courseguide.org.

Name Servers

The NS records for courseguide.org delegate to ns1.siteground.net and ns2.siteground.net.

courseguide.org shares its NS records with other domains, for example christmascrush.com, tulsafm.com, bowtiepomsky.com and two others.

courseguide.org partially shares its NS delegation with several other domains, including bigislandpuako.com, quarizmi.com, handwoven.co.nz and two others.

These name servers are regularly seen alongside ns1.bunnytechnology.ca and ns2.bunnytechnology.ca as name servers.

ns1.siteground.net resolves to 75.2.77.104. ns2.siteground.net resolves to 99.83.229.113. Both host names point to a single IP number.

Mail Servers

courseguide.org uses three mail servers — mx10.mailspamprotection.com, mx20.mailspamprotection.com and mx30.mailspamprotection.com.

There is at least a partial MX overlap between courseguide.org and other domains, including decadentdissonance.com, livenewwilmington.com, businessreferandreward.com and two others.

mx10.mailspamprotection.com has IP address 34.149.79.66, mx20.mailspamprotection.com has IP address 34.120.156.61 and mx30.mailspamprotection.com has IP address 34.111.121.216 — one address each.