conceptcheck.com - dns.ninja

`conceptcheck.com`

DNSSEC	⚠️ Not signed
A	15.156.10.249^{🇨🇦 Amazon15.156.0.0/15 EC2 YUL prefix}
		PTR	`ec2-15-156-10-249.ca-central-1.compute.amazonaws.com`
A	15.222.150.159^{🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix}
NS	`amsterdam.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	`afternic-verification-VKoxaZkQawZ8VVht35n43c`
TXT	`v=spf1 include:u2069692.wl.sendgrid.net -all`
TXT	`91f786e2661531d62a5e4bf8dc941c30c7391ed6`
TXT	`934c3bfaa10e7d053ed251a82e3f4a82d19da885`
SOA	`amsterdam.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=1786390414

Subdomains

mail.conceptcheck.com

ftp.conceptcheck.com

www.conceptcheck.com

Same first word

conceptcheck.com

conceptcheck.de

DNS History

41 records (8 active, 33 former)

●NSamsterdam.power-dns.com2026-03-21 → 2026-08-10 · 7 obs

○ 2026-03-07 10:01:50
● 2026-03-21 00:57:00
○ 2026-03-31 17:39:52
○ 2026-04-09 15:48:00
● 2026-04-10 23:17:10
○ 2026-04-18 10:42:18
● 2026-08-10 19:49:04

○NSip-172-26-1-146.us-east-2.compute.internal2026-02-16 → 2026-06-16 · 14 obs

○ 2017-04-08 10:48:22
● 2026-02-16 04:58:42
○ 2026-02-16 21:42:40
○ 2026-03-21 00:57:00
● 2026-03-31 17:39:52
● 2026-04-07 09:38:00
○ 2026-04-07 11:44:04
○ 2026-04-10 23:17:10
● 2026-04-18 10:42:18
● 2026-05-27 10:17:18
○ 2026-06-04 11:51:04
● 2026-06-16 19:05:38
○ 2026-06-16 22:01:16
○ 2026-08-10 19:49:04

●NSns1.power-dns.com2015-08-30 → 2026-08-10 · 2 obs

● 2015-08-30 17:04:26
● 2026-08-10 19:49:04

●NSns2.power-dns.com2015-08-30 → 2026-08-10 · 5 obs

● 2015-08-30 17:04:26
○ 2015-12-13 23:07:48
○ 2016-09-12 07:35:26
● 2017-04-08 10:48:22
● 2026-08-10 19:49:04

●NSns3.power-dns.com2026-02-16 → 2026-08-10 · 3 obs

○ 2017-04-08 10:48:22
● 2026-02-16 04:58:42
● 2026-08-10 19:49:04

○NSsingapore.power-dns.com2026-02-16 → 2026-06-16 · 13 obs

○ 2026-02-16 04:58:42
● 2026-02-16 21:42:40
● 2026-03-07 10:01:50
○ 2026-03-21 00:57:00
○ 2026-04-07 09:38:00
● 2026-04-07 11:44:04
● 2026-04-09 15:48:00
○ 2026-04-10 23:17:10
○ 2026-05-27 10:17:18
● 2026-06-04 11:51:04
○ 2026-06-16 19:05:38
● 2026-06-16 22:01:16
○ 2026-08-10 19:49:04

○MXmail.dovemail.com2015-08-30 → 2017-04-08 · 4 obs

● 2015-08-30 17:04:26
● 2017-04-08 10:48:22
○ 2026-02-16 04:58:42
○ 2026-08-10 19:49:04

●MXmx1.ewebdevelopment.com2026-02-16 → 2026-08-10 · 3 obs

○ 2017-04-08 10:48:22
● 2026-02-16 04:58:42
● 2026-08-10 19:49:04

●MXmx2.ewebdevelopment.com2026-02-16 → 2026-08-10 · 3 obs

○ 2017-04-08 10:48:22
● 2026-02-16 04:58:42
● 2026-08-10 19:49:04

●A15.156.10.2492026-08-10 → 2026-08-10 · 2 obs

○ 2026-07-03 16:11:00
● 2026-08-10 19:49:04

○A15.157.130.552026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-27 10:17:18
● 2026-06-04 11:51:04
○ 2026-06-16 19:05:38
○ 2026-08-10 19:49:04

○A15.157.161.1522026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-02 07:23:38
● 2026-03-07 10:01:50
○ 2026-03-21 00:57:00
○ 2026-08-10 19:49:04

○A15.157.26.252026-05-27 → 2026-05-27 · 4 obs

○ 2026-04-18 10:42:18
● 2026-05-27 10:17:18
○ 2026-06-04 11:51:04
○ 2026-08-10 19:49:04

●A15.222.150.1592026-08-10 → 2026-08-10 · 2 obs

○ 2026-07-03 16:11:00
● 2026-08-10 19:49:04

○A15.222.163.772026-06-16 → 2026-06-16 · 5 obs

○ 2026-06-04 11:51:04
● 2026-06-16 19:05:38
● 2026-06-16 22:01:16
○ 2026-06-17 21:38:12
○ 2026-08-10 19:49:04

○A15.222.165.2502026-04-05 → 2026-04-10 · 5 obs

○ 2026-04-01 08:04:52
● 2026-04-05 05:52:50
● 2026-04-10 23:17:10
○ 2026-04-18 10:42:18
○ 2026-08-10 19:49:04

○A15.222.56.852026-04-05 → 2026-04-10 · 5 obs

○ 2026-04-01 08:04:52
● 2026-04-05 05:52:50
● 2026-04-10 23:17:10
○ 2026-04-18 10:42:18
○ 2026-08-10 19:49:04

○A15.223.23.1002026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 22:01:16
● 2026-06-17 21:38:12
○ 2026-06-22 13:46:32
○ 2026-08-10 19:49:04

○A16.52.102.942026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-07 10:01:50
● 2026-03-21 00:57:00
○ 2026-03-31 17:39:52
○ 2026-08-10 19:49:04

○A16.52.119.982026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-02 07:23:38
● 2026-03-07 10:01:50
○ 2026-03-21 00:57:00
○ 2026-08-10 19:49:04

○A16.52.195.2112026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-16 21:42:40
● 2026-03-02 07:23:38
○ 2026-03-07 10:01:50
○ 2026-08-10 19:49:04

○A16.52.206.1002026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-07 10:01:50
● 2026-03-21 00:57:00
○ 2026-03-31 17:39:52
○ 2026-08-10 19:49:04

○A16.52.236.372026-05-27 → 2026-05-27 · 4 obs

○ 2026-04-18 10:42:18
● 2026-05-27 10:17:18
○ 2026-06-04 11:51:04
○ 2026-08-10 19:49:04

○A16.54.110.2252026-04-18 → 2026-04-18 · 4 obs

○ 2026-04-10 23:17:10
● 2026-04-18 10:42:18
○ 2026-05-27 10:17:18
○ 2026-08-10 19:49:04

○A16.54.115.1802026-06-16 → 2026-06-16 · 5 obs

○ 2026-06-04 11:51:04
● 2026-06-16 19:05:38
● 2026-06-16 22:01:16
○ 2026-06-17 21:38:12
○ 2026-08-10 19:49:04

○A16.54.152.2072026-06-22 → 2026-06-22 · 4 obs

○ 2026-06-17 21:38:12
● 2026-06-22 13:46:32
○ 2026-07-03 16:11:00
○ 2026-08-10 19:49:04

○A16.54.19.742026-03-31 → 2026-04-01 · 5 obs

○ 2026-03-21 00:57:00
● 2026-03-31 17:39:52
● 2026-04-01 08:04:52
○ 2026-04-05 05:52:50
○ 2026-08-10 19:49:04

○A16.54.22.1582026-02-16 → 2026-08-10 · 2 obs

○ 2026-02-16 04:58:42
○ 2026-08-10 19:49:04

○A16.54.55.1512026-02-16 → 2026-02-16 · 5 obs

○ 2017-04-08 10:48:22
● 2026-02-16 04:58:42
● 2026-02-16 21:42:40
○ 2026-03-02 07:23:38
○ 2026-08-10 19:49:04

○A16.54.9.1192026-03-31 → 2026-04-01 · 5 obs

○ 2026-03-21 00:57:00
● 2026-03-31 17:39:52
● 2026-04-01 08:04:52
○ 2026-04-05 05:52:50
○ 2026-08-10 19:49:04

○A16.55.1.452026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-27 10:17:18
● 2026-06-04 11:51:04
○ 2026-06-16 19:05:38
○ 2026-08-10 19:49:04

○A174.36.107.1302015-08-30 → 2017-04-08 · 7 obs

● 2015-08-30 17:04:26
● 2015-12-13 23:07:48
○ 2016-03-29 19:17:34
● 2016-09-12 07:35:26
● 2017-04-08 10:48:22
○ 2026-02-16 04:58:42
○ 2026-08-10 19:49:04

○A174.37.172.1622015-08-30 → 2016-03-29 · 5 obs

● 2015-08-30 17:04:26
○ 2015-12-13 23:07:48
● 2016-03-29 19:17:34
○ 2016-09-12 07:35:26
○ 2026-08-10 19:49:04

○A3.96.181.482026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 22:01:16
● 2026-06-17 21:38:12
○ 2026-06-22 13:46:32
○ 2026-08-10 19:49:04

○A3.97.178.2102026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-22 13:46:32
● 2026-07-03 16:11:00
○ 2026-08-10 19:49:04

○A3.97.222.1532026-02-16 → 2026-02-16 · 5 obs

○ 2017-04-08 10:48:22
● 2026-02-16 04:58:42
● 2026-02-16 21:42:40
○ 2026-03-02 07:23:38
○ 2026-08-10 19:49:04

○A3.98.107.1132026-06-22 → 2026-06-22 · 4 obs

○ 2026-06-17 21:38:12
● 2026-06-22 13:46:32
○ 2026-07-03 16:11:00
○ 2026-08-10 19:49:04

○A3.99.90.1562026-04-18 → 2026-04-18 · 4 obs

○ 2026-04-10 23:17:10
● 2026-04-18 10:42:18
○ 2026-05-27 10:17:18
○ 2026-08-10 19:49:04

○A35.182.70.2332026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-22 13:46:32
● 2026-07-03 16:11:00
○ 2026-08-10 19:49:04

○A35.183.190.1242026-02-16 → 2026-08-10 · 2 obs

○ 2026-02-16 04:58:42
○ 2026-08-10 19:49:04

○A99.79.142.902026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-16 21:42:40
● 2026-03-02 07:23:38
○ 2026-03-07 10:01:50
○ 2026-08-10 19:49:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
conceptcheck.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 conceptcheck.com (unsigned zone)

⏱️ Timing

Total: 477ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.156.10.249, 15.222.150.159`
NS	3	`ns3.power-dns.com, ns1.power-dns.com...`
MX	2	`mx2.ewebdevelopment.com (pri: 5), mx1.ewebdevelopment.com (pri: 1)`
TXT	4	`afternic-verification-VKoxaZkQawZ8VVht35, 934c3bfaa10e7d053ed251a82e3f4a82d19da885...`
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

Hierarchy

mail.conceptcheck.com, ftp.conceptcheck.com and www.conceptcheck.com each fall under the parent domain conceptcheck.com.

IP Addresses

conceptcheck.com resolves to the IP addresses 15.156.10.249 and 15.222.150.159

www.braxx.com, podless.com, waigner.com plus two other host names have IP numbers in common with conceptcheck.com.

Name Servers

Four name servers handle the delegation for conceptcheck.com: amsterdam.power-dns.com, ns1.power-dns.com, ns2.power-dns.com and ns3.power-dns.com.

conceptcheck.com partially shares its NS delegation with several other domains, including deescalation.com, fashion-arena.com, mw3d.com and two others.

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

ns1.power-dns.com, ns2.power-dns.com and ns3.power-dns.com all have one IP address each — ns1.power-dns.com directs to 13.58.50.225, ns2.power-dns.com directs to 188.166.142.159 and ns3.power-dns.com directs to 139.59.220.175.

Mail Servers

conceptcheck.com uses two mail servers, mx1.ewebdevelopment.com and mx2.ewebdevelopment.com.

The mail server setup of conceptcheck.com matches that of other domains such as i-wm.com, mail.vaddy.com, serelli.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.