`ecoursemastery.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns3.afternic.com` ⭐
		A	97.74.98.65^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns3.afternic.com`
NS	`ns4.afternic.com`
		A	173.201.66.65^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns4.namefind.com`
TXT	`v=spf1 -all`
SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774564232

Previously MX for

ecoursemastery.com

Same first word

ecoursemastery.com

Similar names

myecotreasures.com

DNS History

19 records (4 active, 15 former)

○NSdns1.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○NSdns2.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○NSdns3.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○NSdns4.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○NSdns5.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○NSns.liquidweb.com2015-11-14 → 2018-07-15 · 5 obs

○ 2015-07-14 14:13:36
● 2015-11-14 05:00:06
● 2018-07-15 16:36:32
○ 2026-03-18 10:40:30
○ 2026-03-26 22:59:20

○NSns1.liquidweb.com2015-11-14 → 2018-07-15 · 5 obs

○ 2015-07-14 14:13:36
● 2015-11-14 05:00:06
● 2018-07-15 16:36:32
○ 2026-03-18 10:40:30
○ 2026-03-26 22:59:20

●NSns3.afternic.com2026-03-18 → 2026-03-26 · 3 obs

○ 2018-07-15 16:36:32
● 2026-03-18 10:40:30
● 2026-03-26 22:59:20

●NSns4.afternic.com2026-03-18 → 2026-03-26 · 3 obs

○ 2018-07-15 16:36:32
● 2026-03-18 10:40:30
● 2026-03-26 22:59:20

○MXecoursemastery.com2015-11-14 → 2018-07-15 · 5 obs

○ 2015-07-14 14:13:36
● 2015-11-14 05:00:06
● 2018-07-15 16:36:32
○ 2026-03-18 10:40:30
○ 2026-03-26 22:59:20

○MXeforward1.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○MXeforward2.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○MXeforward3.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○MXeforward4.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○MXeforward5.registrar-servers.com2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

●A13.248.169.482026-03-18 → 2026-03-26 · 3 obs

○ 2018-07-15 16:36:32
● 2026-03-18 10:40:30
● 2026-03-26 22:59:20

○A162.255.119.2342015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 14:13:36
○ 2015-11-14 05:00:06
○ 2026-03-26 22:59:20

○A72.52.168.1842015-11-14 → 2018-07-15 · 5 obs

○ 2015-07-14 14:13:36
● 2015-11-14 05:00:06
● 2018-07-15 16:36:32
○ 2026-03-18 10:40:30
○ 2026-03-26 22:59:20

●A76.223.54.1462026-03-18 → 2026-03-26 · 3 obs

○ 2018-07-15 16:36:32
● 2026-03-18 10:40:30
● 2026-03-26 22:59:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ecoursemastery.com	ns3.afternic.com, ns4.afternic.com	2 records

✅ Authoritative Response

Server:97.74.98.65

NS records: ns3.afternic.com, ns4.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ecoursemastery.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns3.afternic.com, ns4.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns3.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

IP Addresses

ecoursemastery.com points to two IPs: 13.248.169.48 and 76.223.54.146.

Other host names, for instance pll.me, 164.dcle.com, lp2.culturebridge.com, lindersvik.se.se and cgleather.com share IP numbers with ecoursemastery.com.

Name Servers

Two name servers ns3.afternic.com and ns4.afternic.com are delegated to ecoursemastery.com.

ecoursemastery.com uses the same name server configuration as other domains, such as omarra.com, cxomax.com, 32.38.0.rdns.ubiquity.io, sohbeto.com and tippnews.com.

ecoursemastery.com shares name servers with other domains at least partially, for instance aiatlas.com, snzp.com, fctorino.com and selfvio.com.

These name servers are commonly used with ns1.xuejin.com and ns2.xuejin.com.

Host names with a single IP address:

ns3.afternic.com points to 97.74.98.65

ns4.afternic.com points to 173.201.66.65

ecoursemastery.com - robtex.com