oncourse.us - robtex.com

oncourse.us

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com ⭐
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSns2.afternic.com
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1781659860

Same first word

oncourse.biz
oncourse.ru
oncourse.com.cn
oncourse.ski
oncourse.education
oncourse.info
oncourse.cc
oncourse.be
oncourse.college
oncourse.cn
oncourse.eu
oncourse.mobi
oncourse.co.uk
oncourse.com
oncourse.golf
oncourse.no
oncourse.us
oncourse.dk
oncourse.me
oncourse.ai
oncourse.de
oncourse.se
oncourse.com.au
oncourse.net.au
oncourse.training

Similar names

neocours.com
conoseur.com
sooneruc.com
reuconso.fr
nosource.com
econorus.org
unoceros.com
nursecoo.com
unoscore.no
suonorec.com
eurocons.org
neocorus.com
eurocons.com.tr
neurosoc.com
onsource.com
onsource.co
onsource.ch
onecorus.org
onsource.s3.amazonaws.com
eurocons.de
onsource.de
sourceon.com
oncosure.com
noescuro.com
nosource.net
eurocons.it
eurocons.ru
eurocons.eu
conseuro.com
eurocons.vn
unoscore.com
sourceno.com
neocosur.org
onsource.net
eurocons.rs
onsource.it
onsource.com.au

DNS History

12 records (4 active, 8 former)

2017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comns65.domaincontrol.comns66.domaincontrol.comns8.wixdns.netns9.wixdns.netMXmailstore1.secureserver.netsmtp.secureserver.netA13.248.169.4876.223.54.146184.168.221.5823.236.62.147
●NSns1.afternic.com2026-06-08 → 2026-06-17 · 3 obs
○ 2016-05-03 01:53:06
● 2026-06-08 06:41:58
● 2026-06-17 01:48:08
●NSns2.afternic.com2026-06-08 → 2026-06-17 · 3 obs
○ 2016-05-03 01:53:06
● 2026-06-08 06:41:58
● 2026-06-17 01:48:08
○NSns65.domaincontrol.com2016-02-12 → 2016-02-12 · 3 obs
● 2016-02-12 07:27:50
○ 2016-05-03 01:53:06
○ 2026-06-17 01:48:08
○NSns66.domaincontrol.com2016-02-12 → 2016-02-12 · 3 obs
● 2016-02-12 07:27:50
○ 2016-05-03 01:53:06
○ 2026-06-17 01:48:08
○NSns8.wixdns.net2016-05-03 → 2016-05-03 · 4 obs
○ 2016-02-12 07:27:50
● 2016-05-03 01:53:06
○ 2026-06-08 06:41:58
○ 2026-06-17 01:48:08
○NSns9.wixdns.net2016-05-03 → 2016-05-03 · 4 obs
○ 2016-02-12 07:27:50
● 2016-05-03 01:53:06
○ 2026-06-08 06:41:58
○ 2026-06-17 01:48:08
○MXmailstore1.secureserver.net2016-02-12 → 2016-05-03 · 4 obs
● 2016-02-12 07:27:50
● 2016-05-03 01:53:06
○ 2026-06-08 06:41:58
○ 2026-06-17 01:48:08
○MXsmtp.secureserver.net2016-02-12 → 2016-05-03 · 4 obs
● 2016-02-12 07:27:50
● 2016-05-03 01:53:06
○ 2026-06-08 06:41:58
○ 2026-06-17 01:48:08
●A13.248.169.482026-06-08 → 2026-06-17 · 3 obs
○ 2017-02-06 07:40:30
● 2026-06-08 06:41:58
● 2026-06-17 01:48:08
○A184.168.221.582016-02-12 → 2016-02-12 · 3 obs
● 2016-02-12 07:27:50
○ 2016-05-03 01:53:06
○ 2026-06-17 01:48:08
○A23.236.62.1472016-05-03 → 2017-02-06 · 5 obs
○ 2016-02-12 07:27:50
● 2016-05-03 01:53:06
● 2017-02-06 07:40:30
○ 2026-06-08 06:41:58
○ 2026-06-17 01:48:08
●A76.223.54.1462026-06-08 → 2026-06-17 · 3 obs
○ 2017-02-06 07:40:30
● 2026-06-08 06:41:58
● 2026-06-17 01:48:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usx.cctld.us, m.cctld.us, k.cctld.us, b.cctld.us...-
oncourse.usns1.afternic.com, ns2.afternic.com-

✅ Authoritative Response

Server:173.201.66.69

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oncourse.us (unsigned zone)

⏱️ Timing

Total: 1144ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns2.afternic.com dns.jomax.net

Analysis

IP Addresses

oncourse.us directs to two IP numbers, 13.248.169.48 and 76.223.54.146

landscapepools.com, www.marketmeme.ffafarm.com, swiftmatch.com and two other host names share IP numbers with oncourse.us.

Name Servers

oncourse.us uses two name servers for its delegation: ns1.afternic.com and ns2.afternic.com.

oncourse.us uses the same name servers as several other domains — among them mm66.cc, pao1.abovenet.concillience.com, linkweb.me and two more.

oncourse.us partially shares its NS delegation with several other domains, including casinojar.com, confirmleads.com, innovativemechanicalsystems.com and two others.

These name servers are regularly seen alongside verification-m3erh32ujyoastvophjvuz.ns101.verify.hn and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn as name servers.

The two host names ns1.afternic.com and ns2.afternic.com each have a pair of IP addresses: ns1.afternic.com has 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com has 173.201.66.69 and 2603:5:2226::45.