changingcourse.com - dns.ninja

`changingcourse.com`

DNSSEC	⚠️ Not signed
A	184.154.118.34^{🇺🇸 SINGLEHOP184.154.0.0/17 CLOUD PLATFORM}
		PTR	`chi211.greengeeks.net`
NS	`ns1.greengeeks.net` ⭐ ⚠️ Not in parent delegation
		A	75.2.69.7^{🇺🇸 Amazon75.2.64.0/20}
			PTR	`aba07164e9478179d.awsglobalaccelerator.com`
NS	`ams-ns1.greengeeks.com` ⚠️ Not in zone NS records
		A	75.2.69.7^{🇺🇸 Amazon75.2.64.0/20}
			PTR	`aba07164e9478179d.awsglobalaccelerator.com`
NS	`chi-ns1.greengeeks.com` ⚠️ Not in zone NS records
		A	75.2.69.7^{🇺🇸 Amazon75.2.64.0/20}
			PTR	`aba07164e9478179d.awsglobalaccelerator.com`
NS	`chi-ns2.greengeeks.com` ⚠️ Not in zone NS records
		A	99.83.188.187^{🇺🇸 Amazon99.83.176.0/20}
			PTR	`aba07164e9478179d.awsglobalaccelerator.com`
NS	`ns2.greengeeks.net` ⚠️ Not in parent delegation
		A	99.83.188.187^{🇺🇸 Amazon99.83.176.0/20}
			PTR	`aba07164e9478179d.awsglobalaccelerator.com`
MX	`changingcourse-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr21cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	52.101.11.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr03cu00102.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:184.154.118.34 include:spf.greengeeks.net ip4:108.178.7.22 include...`
TXT	`MS=ms91074229`
SOA	`ns1.greengeeks.net`root@chi211.greengeeks.net 2026-07-13 #4

`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=1783947052

Subdomains

mail.changingcourse.com

Same first word

changingcourse.com

DNS History

17 records (7 active, 10 former)

●NSams-ns1.greengeeks.com2026-04-21 → 2026-07-13 · 3 obs

○ 2016-07-19 14:43:42
● 2026-04-21 22:37:28
● 2026-07-13 12:58:52

●NSchi-ns1.greengeeks.com2026-04-21 → 2026-07-13 · 3 obs

○ 2016-07-19 14:43:42
● 2026-04-21 22:37:28
● 2026-07-13 12:58:52

●NSchi-ns2.greengeeks.com2026-04-21 → 2026-07-13 · 3 obs

○ 2016-07-19 14:43:42
● 2026-04-21 22:37:28
● 2026-07-13 12:58:52

○NSns.inmotionhosting.com2016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-24 22:10:04
● 2016-07-19 14:43:42
○ 2026-04-21 22:37:28
○ 2026-07-13 12:58:52

○NSns1.bluehost.com2016-03-24 → 2016-03-24 · 4 obs

○ 2015-12-12 02:02:02
● 2016-03-24 22:10:04
○ 2016-07-19 14:43:42
○ 2026-07-13 12:58:52

●NSns1.greengeeks.net2026-04-21 → 2026-07-13 · 3 obs

○ 2016-07-19 14:43:42
● 2026-04-21 22:37:28
● 2026-07-13 12:58:52

○NSns1.hostmonster.com2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 04:09:16
● 2015-12-12 02:02:02
○ 2016-03-24 22:10:04
○ 2026-07-13 12:58:52

○NSns2.bluehost.com2016-03-24 → 2016-03-24 · 4 obs

○ 2015-12-12 02:02:02
● 2016-03-24 22:10:04
○ 2016-07-19 14:43:42
○ 2026-07-13 12:58:52

●NSns2.greengeeks.net2026-04-21 → 2026-07-13 · 3 obs

○ 2016-07-19 14:43:42
● 2026-04-21 22:37:28
● 2026-07-13 12:58:52

○NSns2.hostmonster.com2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 04:09:16
● 2015-12-12 02:02:02
○ 2016-03-24 22:10:04
○ 2026-07-13 12:58:52

○NSns2.inmotionhosting.com2016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-24 22:10:04
● 2016-07-19 14:43:42
○ 2026-04-21 22:37:28
○ 2026-07-13 12:58:52

●MXchangingcourse-com.mail.protection.outlook.com2026-04-21 → 2026-07-13 · 3 obs

○ 2016-07-19 14:43:42
● 2026-04-21 22:37:28
● 2026-07-13 12:58:52

○MXmail.changingcourse.com2015-08-20 → 2016-07-19 · 4 obs

● 2015-08-20 04:09:16
● 2016-07-19 14:43:42
○ 2026-04-21 22:37:28
○ 2026-07-13 12:58:52

●A184.154.118.342026-04-21 → 2026-07-13 · 3 obs

○ 2016-07-19 14:43:42
● 2026-04-21 22:37:28
● 2026-07-13 12:58:52

○A198.46.81.2232016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-24 22:10:04
● 2016-07-19 14:43:42
○ 2026-04-21 22:37:28
○ 2026-07-13 12:58:52

○A216.172.168.522016-03-24 → 2016-03-24 · 4 obs

○ 2015-12-12 02:02:02
● 2016-03-24 22:10:04
○ 2016-07-19 14:43:42
○ 2026-07-13 12:58:52

○A67.20.76.1162015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 04:09:16
● 2015-12-12 02:02:02
○ 2016-03-24 22:10:04
○ 2026-07-13 12:58:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...	-
changingcourse.com	chi-ns2.greengeeks.com, chi-ns1.greengeeks.com, ams-ns1.greengeeks.com	3 records

✅ Authoritative Response

Server:75.2.69.7

NS records: chi-ns2.greengeeks.com, chi-ns1.greengeeks.com, ams-ns1.greengeeks.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for changingcourse.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`184.154.118.34`
NS	2	`ns2.greengeeks.net, ns1.greengeeks.net`
MX	1	`changingcourse-com.mail.protection.outlo`
TXT	2	`v=spf1 ip4:184.154.118.34 include:spf.gr, MS=ms91074229`
SOA	1	`ns1.greengeeks.net root.chi211.greengeek`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (chi-ns2.greengeeks.com, chi-ns1.greengeeks.com, ams-ns1.greengeeks.com)

Analysis

Hierarchy

changingcourse.com is the parent zone for mail.changingcourse.com.

IP Addresses

changingcourse.com resolves to just one IP address, 184.154.118.34.

Two other host names, along with sorahat.com, musicinwood.com and rustycopwds.com, also share IP numbers with changingcourse.com.

Name Servers

changingcourse.com delegates to five name servers: ams-ns1.greengeeks.com, chi-ns1.greengeeks.com, chi-ns2.greengeeks.com and two others.

changingcourse.com partially shares its NS delegation with several other domains, including fastlinktechnologyservices.com, sanaria92.com, pinturasyucatan.com and two others.

In DNS configurations, these name servers often share authority with ns1.greengeeks.net, ns2.greengeeks.net, ns1.greengeeks.com and 3 other name servers.

Host names that point to one IP address:

ams-ns1.greengeeks.com resolves to the IP address 75.2.69.7.

chi-ns1.greengeeks.com resolves to the IP address 75.2.69.7.

chi-ns2.greengeeks.com resolves to the IP address 99.83.188.187.

ns1.greengeeks.net resolves to the IP address 75.2.69.7.

ns2.greengeeks.net resolves to the IP address 99.83.188.187.

Each of ams-ns1.greengeeks.com, chi-ns1.greengeeks.com and ns1.greengeeks.net resolves to 75.2.69.7.

chi-ns2.greengeeks.com and ns2.greengeeks.net each have 99.83.188.187 IP addresses.

Mail Servers

The sole mail server for changingcourse.com is changingcourse-com.mail.protection.outlook.com.

With 8 IP addresses total, changingcourse-com.mail.protection.outlook.com resolves to 52.101.11.2, 52.101.11.3, 52.101.11.19 and 5 others.