coursesfree.com - robtex.com

coursesfree.com

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

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435
WOT: SUSPICIOUS (1/100)

Same first word

coursesfree.org
coursesfree.com

Similar names

freesources.info
freecourses.cc
freecourses.net
freecourses.site
freecourses.me
freecourses.ca
freecourses.xyz
freecourses.ru
freecourses.co
freecourses.eu
freecourses.com
freesources.com
freesources.net
freecourses.net.au
freecourses.pro
freecourses.org
freesources.org
feresources.com
reefsources.com
freecourses.co.za

DNS History

22 records (4 active, 18 former)

20162017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comns1.namebrightdns.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comnst1.namebrightdns.comnst2.namebrightdns.comMX.anmail.namebrightmail.comA13.248.169.4876.223.54.14652.200.243.12354.152.144.24354.174.31.25454.208.74.21554.209.90.8154.84.53.3854.85.54.2954.88.107.140CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.comhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com
●NSns1.afternic.com2026-03-18 → 2026-03-18 · 2 obs
○ 2018-08-26 01:35:00
● 2026-03-18 22:42:42
○NSns1.namebrightdns.com2015-06-03 → 2018-08-26 · 7 obs
● 2015-06-03 09:54:32
○ 2015-11-01 06:32:54
● 2016-01-22 04:58:54
● 2016-04-10 14:07:40
○ 2016-12-30 17:21:46
● 2018-08-26 01:35:00
○ 2026-03-18 22:42:42
●NSns2.afternic.com2026-03-18 → 2026-03-18 · 2 obs
○ 2018-08-26 01:35:00
● 2026-03-18 22:42:42
○NSns2.namebrightdns.com2015-06-03 → 2018-08-26 · 7 obs
● 2015-06-03 09:54:32
○ 2015-11-01 06:32:54
● 2016-01-22 04:58:54
● 2016-04-10 14:07:40
○ 2016-12-30 17:21:46
● 2018-08-26 01:35:00
○ 2026-03-18 22:42:42
○NSnsg1.namebrightdns.com2015-11-01 → 2015-11-01 · 4 obs
○ 2015-06-03 09:54:32
● 2015-11-01 06:32:54
○ 2016-01-22 04:58:54
○ 2026-03-18 22:42:42
○NSnsg2.namebrightdns.com2015-11-01 → 2016-04-10 · 6 obs
○ 2015-06-03 09:54:32
● 2015-11-01 06:32:54
○ 2016-01-22 04:58:54
● 2016-04-10 14:07:40
○ 2016-12-30 17:21:46
○ 2026-03-18 22:42:42
○NSnst1.namebrightdns.com2016-12-30 → 2016-12-30 · 4 obs
○ 2016-04-10 14:07:40
● 2016-12-30 17:21:46
○ 2018-08-26 01:35:00
○ 2026-03-18 22:42:42
○NSnst2.namebrightdns.com2016-12-30 → 2016-12-30 · 4 obs
○ 2016-04-10 14:07:40
● 2016-12-30 17:21:46
○ 2018-08-26 01:35:00
○ 2026-03-18 22:42:42
○MX.2026-03-18 → 2026-03-18 · 1 obs
○ 2026-03-18 22:42:42
○MXanmail.namebrightmail.com2015-06-03 → 2015-06-03 · 3 obs
● 2015-06-03 09:54:32
○ 2015-11-01 06:32:54
○ 2026-03-18 22:42:42
●A13.248.169.482026-03-18 → 2026-03-18 · 2 obs
○ 2018-08-26 01:35:00
● 2026-03-18 22:42:42
○A52.200.243.1232016-04-10 → 2016-04-10 · 4 obs
○ 2016-01-22 04:58:54
● 2016-04-10 14:07:40
○ 2016-12-30 17:21:46
○ 2026-03-18 22:42:42
○A54.152.144.2432016-04-10 → 2016-04-10 · 4 obs
○ 2016-01-22 04:58:54
● 2016-04-10 14:07:40
○ 2016-12-30 17:21:46
○ 2026-03-18 22:42:42
○A54.174.31.2542015-06-03 → 2015-11-01 · 4 obs
● 2015-06-03 09:54:32
● 2015-11-01 06:32:54
○ 2016-01-22 04:58:54
○ 2026-03-18 22:42:42
○A54.208.74.2152015-06-03 → 2015-11-01 · 4 obs
● 2015-06-03 09:54:32
● 2015-11-01 06:32:54
○ 2016-01-22 04:58:54
○ 2026-03-18 22:42:42
○A54.209.90.812016-01-22 → 2016-01-22 · 4 obs
○ 2015-11-01 06:32:54
● 2016-01-22 04:58:54
○ 2016-04-10 14:07:40
○ 2026-03-18 22:42:42
○A54.84.53.382016-12-30 → 2016-12-30 · 4 obs
○ 2016-04-10 14:07:40
● 2016-12-30 17:21:46
○ 2018-08-26 01:35:00
○ 2026-03-18 22:42:42
○A54.85.54.292016-01-22 → 2016-01-22 · 4 obs
○ 2015-11-01 06:32:54
● 2016-01-22 04:58:54
○ 2016-04-10 14:07:40
○ 2026-03-18 22:42:42
○A54.88.107.1402016-12-30 → 2016-12-30 · 4 obs
○ 2016-04-10 14:07:40
● 2016-12-30 17:21:46
○ 2018-08-26 01:35:00
○ 2026-03-18 22:42:42
●A76.223.54.1462026-03-18 → 2026-03-18 · 2 obs
○ 2018-08-26 01:35:00
● 2026-03-18 22:42:42
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-03 → 2016-04-10 · 4 obs
● 2015-06-03 09:54:32
● 2016-04-10 14:07:40
○ 2016-12-30 17:21:46
○ 2026-03-18 22:42:42
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-12-30 → 2018-08-26 · 4 obs
○ 2016-04-10 14:07:40
● 2016-12-30 17:21:46
● 2018-08-26 01:35:00
○ 2026-03-18 22:42:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
coursesfree.comns1.afternic.com, ns2.afternic.com4 records

✅ Authoritative Response

Server: 97.74.98.69

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursesfree.com (unsigned zone)

⏱️ Timing

Total: 1654ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns1.afternic.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

coursesfree.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names such as mail.gendertube.com, www.quicknetguide.com, 03-200.190.popsite.net, bjq.co and mail.kaskata.com share IP numbers with coursesfree.com.

Name Servers

coursesfree.com is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.

coursesfree.com uses the same name server setup as other domains, including 4biz.info, h-98-5.scoutjet.com, toptenguru.com, charityresources.com and iwant6packabs.publicsets.com.

At least part of the name servers for coursesfree.com are shared with other domains, for instance xtreme.info, occ.us, islamiccivilization.com, wwwfreegames.com and lnqx.com.

These name servers are commonly used with verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn, verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn, verification-jnpk9imao4ucwj3yqw5clr.ns101.verify.hn and verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn.

Host names with two IP numbers:

ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69.

ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.