🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developercourse.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	`ns1.afternic.com` ⭐
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com`
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`verification-o8qgqaqkltquekqthhekc9.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net serial=1

`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=1787778440

Subdomains

mx.developercourse.com

Same first word

developercourse.com

Similar names

sourcedeveloper.net

coursedeveloper.com

developersource.com

Previous names

Next names

DNS History

15 records (5 active, 10 former)

●NSns1.afternic.com2026-08-23 → 2026-08-26 · 3 obs

○ 2016-04-09 13:52:44
● 2026-08-23 21:42:48
● 2026-08-26 21:23:50

○NSns1.sedoparking.com2015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 21:10:24
○ 2015-10-18 18:40:06
○ 2026-08-26 21:23:50

○NSns1.undeveloped.com2015-10-18 → 2016-04-09 · 5 obs

○ 2015-06-08 21:10:24
● 2015-10-18 18:40:06
● 2016-04-09 13:52:44
○ 2026-08-23 21:42:48
○ 2026-08-26 21:23:50

●NSns2.afternic.com2026-08-23 → 2026-08-26 · 3 obs

○ 2016-04-09 13:52:44
● 2026-08-23 21:42:48
● 2026-08-26 21:23:50

○NSns2.sedoparking.com2015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 21:10:24
○ 2015-10-18 18:40:06
○ 2026-08-26 21:23:50

○NSns2.undeveloped.com2015-10-18 → 2016-04-09 · 5 obs

○ 2015-06-08 21:10:24
● 2015-10-18 18:40:06
● 2016-04-09 13:52:44
○ 2026-08-23 21:42:48
○ 2026-08-26 21:23:50

●NSverification-o8qgqaqkltquekqthhekc9.ns101.verify.hn2026-08-23 → 2026-08-26 · 3 obs

○ 2016-04-09 13:52:44
● 2026-08-23 21:42:48
● 2026-08-26 21:23:50

○MXmail.nickstel.com2015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 21:10:24
○ 2016-01-14 12:03:38
○ 2026-08-26 21:23:50

○MXmx.developercourse.com2016-01-14 → 2016-04-09 · 5 obs

○ 2015-06-08 21:10:24
● 2016-01-14 12:03:38
● 2016-04-09 13:52:44
○ 2026-08-23 21:42:48
○ 2026-08-26 21:23:50

●A13.248.169.482026-08-23 → 2026-08-26 · 3 obs

○ 2017-05-21 11:05:04
● 2026-08-23 21:42:48
● 2026-08-26 21:23:50

○A173.192.64.1472016-09-24 → 2017-05-21 · 5 obs

○ 2016-04-09 13:52:44
● 2016-09-24 13:05:14
● 2017-05-21 11:05:04
○ 2026-08-23 21:42:48
○ 2026-08-26 21:23:50

○A52.58.78.162016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-14 12:03:38
● 2016-04-09 13:52:44
○ 2016-09-24 13:05:14
○ 2026-08-26 21:23:50

○A72.52.4.1192015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 21:10:24
○ 2015-10-18 18:40:06
○ 2026-08-26 21:23:50

●A76.223.54.1462026-08-23 → 2026-08-26 · 3 obs

○ 2017-05-21 11:05:04
● 2026-08-23 21:42:48
● 2026-08-26 21:23:50

○A80.240.129.102015-10-18 → 2016-01-14 · 5 obs

○ 2015-06-08 21:10:24
● 2015-10-18 18:40:06
● 2016-01-14 12:03:38
○ 2016-04-09 13:52:44
○ 2026-08-26 21:23:50

🔍 DNS Trace

Analysis

Hierarchy

developercourse.com serves as the parent of mx.developercourse.com.

IP Addresses

developercourse.com directs to two IP numbers, 13.248.169.48 and 76.223.54.146

mathgrades.com, factory-certified.com, 8963.com.cn plus two other host names have IP numbers in common with developercourse.com.

Name Servers

developercourse.com has three name servers — ns1.afternic.com, ns2.afternic.com and verification-o8qgqaqkltquekqthhekc9.ns101.verify.hn.

developercourse.com has at least partial name server overlap with other domains, such as funquan.com, identitas.com, mam.cc and two others.

It is common to see these name servers used together with name servers verification-sssklblttezjbmchvxsjnn.ns101.verify.hn and verification-urj2ap2akmgcchkhharttb.ns101.verify.hn.

Each of ns1.afternic.com, ns2.afternic.com and verification-o8qgqaqkltquekqthhekc9.ns101.verify.hn points to two IP numbers. ns1.afternic.com points to 97.74.98.69 and 2603:5:2126::45. ns2.afternic.com points to 173.201.66.69 and 2603:5:2226::45. verification-o8qgqaqkltquekqthhekc9.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146.

developercourse.com - robtex.com