courseval.org - robtex.com

courseval.org

DNSSEC⚠️ Not signed
NSns-1545.awsdns-01.co.uk ⭐
A2600:9000:5306:900::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1545.awsdns-01.co.uk
A205.251.198.9🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1545.awsdns-01.co.uk
NSns-1404.awsdns-47.org
A2600:9000:5305:7c00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1404.awsdns-47.org
A205.251.197.124🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1404.awsdns-47.org
NSns-508.awsdns-63.com
A2600:9000:5301:fc00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-508.awsdns-63.com
A205.251.193.252🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-508.awsdns-63.com
NSns-696.awsdns-23.net
A2600:9000:5302:b800::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-696.awsdns-23.net
A205.251.194.184🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-696.awsdns-23.net
TXTv=spf1 -all
SOAns-1545.awsdns-01.co.ukawsdns-hostmaster@amazon.com serial=1

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=1786354812

Same first word

courseval.info
courseval.net
courseval.org
courseval.us
courseval.com

Similar names

sourceavl.com
carvelous.com
valcourse.com
cloverusa.org
lavcourse.de
vocaluser.com
valsource.com
velcrousa.com
soulcrave.com
valuscore.com
rocvalues.com
valsource.net
cursovela.com
curasolve.net
scorevalu.com
corevalus.com
covaleurs.com
cloverusa.com
alucovers.com
corvalues.net
corvalues.com

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSns-1404.awsdns-47.orgns-1545.awsdns-01.co.ukns-508.awsdns-63.comns-696.awsdns-23.netns67.domaincontrol.comns68.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA184.168.221.2923.253.85.168
●NSns-1404.awsdns-47.org2026-06-15 → 2026-08-10 · 3 obs
○ 2017-12-02 07:36:00
● 2026-06-15 13:08:50
● 2026-08-10 10:20:50
●NSns-1545.awsdns-01.co.uk2026-06-15 → 2026-08-10 · 3 obs
○ 2017-12-02 07:36:00
● 2026-06-15 13:08:50
● 2026-08-10 10:20:50
●NSns-508.awsdns-63.com2026-06-15 → 2026-08-10 · 3 obs
○ 2017-12-02 07:36:00
● 2026-06-15 13:08:50
● 2026-08-10 10:20:50
●NSns-696.awsdns-23.net2026-06-15 → 2026-08-10 · 3 obs
○ 2017-12-02 07:36:00
● 2026-06-15 13:08:50
● 2026-08-10 10:20:50
○NSns67.domaincontrol.com2015-06-05 → 2017-12-02 · 4 obs
● 2015-06-05 20:51:26
● 2017-12-02 07:36:00
○ 2026-06-15 13:08:50
○ 2026-08-10 10:20:50
○NSns68.domaincontrol.com2015-06-05 → 2017-12-02 · 4 obs
● 2015-06-05 20:51:26
● 2017-12-02 07:36:00
○ 2026-06-15 13:08:50
○ 2026-08-10 10:20:50
○MXmailstore1.secureserver.net2015-06-05 → 2017-12-02 · 4 obs
● 2015-06-05 20:51:26
● 2017-12-02 07:36:00
○ 2026-06-15 13:08:50
○ 2026-08-10 10:20:50
○MXsmtp.secureserver.net2015-06-05 → 2017-12-02 · 4 obs
● 2015-06-05 20:51:26
● 2017-12-02 07:36:00
○ 2026-06-15 13:08:50
○ 2026-08-10 10:20:50
○A184.168.221.292015-06-05 → 2016-01-22 · 4 obs
● 2015-06-05 20:51:26
● 2016-01-22 21:55:22
○ 2016-04-14 13:03:42
○ 2026-08-10 10:20:50
○A23.253.85.1682016-04-14 → 2017-12-02 · 5 obs
○ 2016-01-22 21:55:22
● 2016-04-14 13:03:42
● 2017-12-02 07:36:00
○ 2026-06-15 13:08:50
○ 2026-08-10 10:20:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
courseval.orgns-508.awsdns-63.com, ns-696.awsdns-23.net, ns-1404.awsdns-47.org, ns-1545.awsdns-01.co.uk2 records

✅ Authoritative Response

Server:205.251.193.252

NS records: ns-508.awsdns-63.com, ns-696.awsdns-23.net, ns-1404.awsdns-47.org, ns-1545.awsdns-01.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseval.org (unsigned zone)

⏱️ Timing

Total: 386ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-1404.awsdns-47.org, ns-1545.awsdns-01.co.uk...
TXT1v=spf1 -all
SOA1ns-1545.awsdns-01.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1404.awsdns-47.org, ns-1404.awsdns-47.org)

Analysis

Name Servers

courseval.org has four authoritative name servers: ns-508.awsdns-63.com, ns-696.awsdns-23.net, ns-1404.awsdns-47.org and ns-1545.awsdns-01.co.uk.

There is at least partial name server overlap between courseval.org and other domains — vnr.aws.a-f.cloud, itsnotcatenaccio.com, booking-cares.com and two more among them.

The name servers ns-716.awsdns-25.net, ns-1288.awsdns-33.org and ns-1959.awsdns-52.co.uk are often found in combination with these name servers.

All four hostnames — ns-508.awsdns-63.com, ns-696.awsdns-23.net, ns-1404.awsdns-47.org and ns-1545.awsdns-01.co.uk — resolve to two IP numbers apiece: ns-508.awsdns-63.com to 205.251.193.252 and 2600:9000:5301:fc00::1; ns-696.awsdns-23.net to 205.251.194.184 and 2600:9000:5302:b800::1; ns-1404.awsdns-47.org to 205.251.197.124 and 2600:9000:5305:7c00::1; ns-1545.awsdns-01.co.uk to 205.251.198.9 and 2600:9000:5306:900::1.