pro-course.com - dns.ninja

`pro-course.com`

DNSSEC	⚠️ Not signed
A	3.99.19.152^{🇨🇦 Amazon3.98.0.0/15 EC2 YUL prefix}
		PTR	`ec2-3-99-19-152.ca-central-1.compute.amazonaws.com`
A	52.60.68.137^{🇨🇦 Amazon52.60.64.0/18}
NS	`singapore.power-dns.com` ⭐
NS	`ns1.power-dns.com`
		A	13.58.50.225^{🇺🇸 Amazon13.58.0.0/15 EC2 CMH prefix}
			PTR	`ec2-13-58-50-225.us-east-2.compute.amazonaws.com`
NS	`ns2.power-dns.com`
		A	188.166.142.159^{🇳🇱 DIGITALOCEAN188.166.140.0/22 DigitalOcean}
NS	`ns3.power-dns.com`
		A	139.59.220.175^{🇸🇬 DIGITALOCEAN139.59.220.0/22 DigitalOcean}
MX	`mx1.ewebdevelopment.com` ⭐
		A	159.203.54.48^{🇨🇦 DIGITALOCEAN159.203.52.0/22 DigitalOcean}
MX	`mx2.ewebdevelopment.com`⁽⁵⁾
		A	188.166.142.73^{🇳🇱 DIGITALOCEAN188.166.140.0/22 DigitalOcean}
TXT	`934c3bfaa10e7d053ed251a82e3f4a82d19da885`
TXT	`afternic-verification-VKoxaZkQawZ8VVht35n43c`
TXT	`91f786e2661531d62a5e4bf8dc941c30c7391ed6`
TXT	`v=spf1 include:u2069692.wl.sendgrid.net -all`
SOA	`singapore.power-dns.com`hostmaster@power-dns.com 2025-01-15 #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=1783959717

Same first word

pro-course.com

Similar names

pro-source.com

pro-source.at

pro-source.co.uk

pro-source.us

pro-source.de

source-pro.com

pro-source.eu

pro-source.net

pro-source.ca

pro-source.pl

pro-source.co

DNS History

25 records (8 active, 17 former)

○NSamsterdam.power-dns.com2026-03-14 → 2026-07-13 · 2 obs

○ 2026-03-14 00:16:16
○ 2026-07-13 16:30:30

○NSip-172-26-1-146.us-east-2.compute.internal2026-03-25 → 2026-04-09 · 5 obs

○ 2026-03-14 12:06:50
● 2026-03-25 18:03:34
○ 2026-03-31 10:54:22
● 2026-04-09 06:28:44
○ 2026-07-13 16:30:30

●NSns1.power-dns.com2015-05-19 → 2026-07-13 · 6 obs

● 2015-05-19 12:05:18
● 2015-10-19 15:24:28
○ 2016-01-15 18:15:38
○ 2016-04-08 14:57:46
● 2016-09-18 08:23:58
● 2026-07-13 16:30:30

●NSns2.power-dns.com2015-05-19 → 2026-07-13 · 7 obs

● 2015-05-19 12:05:18
○ 2015-10-19 15:24:28
● 2016-01-15 18:15:38
● 2016-04-08 14:57:46
○ 2016-09-18 08:23:58
● 2017-04-20 16:53:30
● 2026-07-13 16:30:30

●NSns3.power-dns.com2026-03-14 → 2026-07-13 · 3 obs

○ 2017-04-20 16:53:30
● 2026-03-14 00:16:16
● 2026-07-13 16:30:30

●NSsingapore.power-dns.com2026-03-14 → 2026-07-13 · 7 obs

○ 2017-04-20 16:53:30
● 2026-03-14 00:16:16
● 2026-03-14 12:06:50
○ 2026-03-25 18:03:34
● 2026-03-31 10:54:22
○ 2026-04-09 06:28:44
● 2026-07-13 16:30:30

○MXmail.dovemail.com2015-05-19 → 2017-04-20 · 4 obs

● 2015-05-19 12:05:18
● 2017-04-20 16:53:30
○ 2026-03-14 00:16:16
○ 2026-07-13 16:30:30

●MXmx1.ewebdevelopment.com2026-03-14 → 2026-07-13 · 3 obs

○ 2017-04-20 16:53:30
● 2026-03-14 00:16:16
● 2026-07-13 16:30:30

●MXmx2.ewebdevelopment.com2026-03-14 → 2026-07-13 · 3 obs

○ 2017-04-20 16:53:30
● 2026-03-14 00:16:16
● 2026-07-13 16:30:30

○A15.222.165.2502026-04-09 → 2026-04-09 · 4 obs

○ 2026-03-31 10:54:22
● 2026-04-09 06:28:44
○ 2026-07-08 01:36:58
○ 2026-07-13 16:30:30

○A15.222.56.852026-04-09 → 2026-04-09 · 4 obs

○ 2026-03-31 10:54:22
● 2026-04-09 06:28:44
○ 2026-07-08 01:36:58
○ 2026-07-13 16:30:30

○A16.54.165.1682026-07-08 → 2026-07-08 · 4 obs

○ 2026-04-09 06:28:44
● 2026-07-08 01:36:58
○ 2026-07-12 02:38:36
○ 2026-07-13 16:30:30

○A16.54.19.742026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-25 18:03:34
● 2026-03-31 10:54:22
○ 2026-04-09 06:28:44
○ 2026-07-13 16:30:30

○A16.54.9.1192026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-25 18:03:34
● 2026-03-31 10:54:22
○ 2026-04-09 06:28:44
○ 2026-07-13 16:30:30

○A16.54.90.622026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-14 12:06:50
● 2026-03-25 18:03:34
○ 2026-03-31 10:54:22
○ 2026-07-13 16:30:30

○A174.36.107.1302015-05-19 → 2017-04-20 · 7 obs

● 2015-05-19 12:05:18
● 2015-10-19 15:24:28
○ 2016-01-15 18:15:38
● 2016-04-08 14:57:46
● 2017-04-20 16:53:30
○ 2026-03-14 00:16:16
○ 2026-07-13 16:30:30

○A174.37.172.1622015-05-19 → 2016-01-15 · 5 obs

● 2015-05-19 12:05:18
○ 2015-10-19 15:24:28
● 2016-01-15 18:15:38
○ 2016-04-08 14:57:46
○ 2026-07-13 16:30:30

○A3.96.32.952026-03-14 → 2026-03-14 · 5 obs

○ 2017-04-20 16:53:30
● 2026-03-14 00:16:16
● 2026-03-14 12:06:50
○ 2026-03-25 18:03:34
○ 2026-07-13 16:30:30

○A3.97.122.262026-03-14 → 2026-03-14 · 5 obs

○ 2017-04-20 16:53:30
● 2026-03-14 00:16:16
● 2026-03-14 12:06:50
○ 2026-03-25 18:03:34
○ 2026-07-13 16:30:30

○A3.97.193.1092026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-14 12:06:50
● 2026-03-25 18:03:34
○ 2026-03-31 10:54:22
○ 2026-07-13 16:30:30

●A3.99.19.1522026-07-12 → 2026-07-13 · 3 obs

○ 2026-07-08 01:36:58
● 2026-07-12 02:38:36
● 2026-07-13 16:30:30

○A3.99.55.1252026-03-14 → 2026-07-13 · 2 obs

○ 2026-03-14 00:16:16
○ 2026-07-13 16:30:30

○A35.182.70.2332026-07-08 → 2026-07-08 · 4 obs

○ 2026-04-09 06:28:44
● 2026-07-08 01:36:58
○ 2026-07-12 02:38:36
○ 2026-07-13 16:30:30

●A52.60.68.1372026-07-12 → 2026-07-13 · 3 obs

○ 2026-07-08 01:36:58
● 2026-07-12 02:38:36
● 2026-07-13 16:30:30

○A99.79.182.922026-03-14 → 2026-07-13 · 2 obs

○ 2026-03-14 00:16:16
○ 2026-07-13 16:30:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
pro-course.com	ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com	3 records

✅ Authoritative Response

Server:13.58.50.225

NS records: ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pro-course.com (unsigned zone)

⏱️ Timing

Total: 743ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.99.19.152, 52.60.68.137`
NS	3	`ns2.power-dns.com, ns3.power-dns.com...`
MX	2	`mx1.ewebdevelopment.com (pri: 1), mx2.ewebdevelopment.com (pri: 5)`
TXT	4	`934c3bfaa10e7d053ed251a82e3f4a82d19da885, v=spf1 include:u2069692.wl.sendgrid.net ...`
SOA	1	`ip-172-26-1-146.us-east-2.compute.intern`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com)

Analysis

IP Addresses

pro-course.com directs to two IP numbers, 3.99.19.152 and 52.60.68.137

Additional host names — quaki.com, carosso.com, bodol.com and two others — share IP numbers with pro-course.com.

Name Servers

pro-course.com has four authoritative name servers: ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com and singapore.power-dns.com.

pro-course.com partially shares its NS delegation with several other domains, including weldi.com, inflighttraining.com, sukuta.com and two others.

These name servers are regularly seen alongside ip-172-26-1-146.us-east-2.compute.internal and amsterdam.power-dns.com as name servers.

ns1.power-dns.com points to 13.58.50.225; ns2.power-dns.com points to 188.166.142.159; ns3.power-dns.com points to 139.59.220.175 — each hostname maps to exactly one IP address.

Mail Servers

pro-course.com has two mail servers: mx1.ewebdevelopment.com and mx2.ewebdevelopment.com.

pro-course.com shares the same mail server setup as other domains, including sicania.com, mail2.partylicht.com, easy-exchange.com and two others.

mx1.ewebdevelopment.com resolves to 159.203.54.48. mx2.ewebdevelopment.com resolves to 188.166.142.73. Both host names point to a single IP number.