ostool.com - dns.ninja

`ostool.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	`singapore.power-dns.com` ⭐
		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}
			PTR	`ec2-15-222-150-159.ca-central-1.compute.amazonaws.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	`934c3bfaa10e7d053ed251a82e3f4a82d19da885`
TXT	`v=spf1 include:u2069692.wl.sendgrid.net -all`
TXT	`91f786e2661531d62a5e4bf8dc941c30c7391ed6`
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=1786357634

Subdomains

www.ostool.com

Same first word

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DNS History

33 records (8 active, 25 former)

○NSamsterdam.power-dns.com2026-04-02 → 2026-06-16 · 9 obs

○ 2026-03-24 05:39:04
● 2026-04-02 02:07:18
○ 2026-05-04 15:44:50
● 2026-05-04 18:15:12
○ 2026-05-08 12:02:36
○ 2026-05-12 00:05:56
● 2026-06-16 19:56:16
○ 2026-07-03 08:04:34
○ 2026-08-10 10:55:46

○NSgntdns01.alpha-plt.jp2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 10:39:28
○ 2015-08-10 05:02:22
○ 2026-08-10 10:55:46

○NSgntdns02.alpha-plt.jp2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 10:39:28
○ 2015-08-10 05:02:22
○ 2026-08-10 10:55:46

○NSgntdns03.alpha-plt.jp2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 10:39:28
○ 2015-08-10 05:02:22
○ 2026-08-10 10:55:46

○NSip-172-26-1-146.us-east-2.compute.internal2026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-16 19:56:16
● 2026-07-03 08:04:34
○ 2026-08-10 10:55:46

●NSns1.power-dns.com2015-08-10 → 2026-08-10 · 6 obs

○ 2008-03-20 10:39:28
● 2015-08-10 05:02:22
○ 2015-10-18 15:09:40
○ 2015-12-21 08:17:10
● 2016-03-23 13:56:18
● 2026-08-10 10:55:46

●NSns2.power-dns.com2015-08-10 → 2026-08-10 · 7 obs

○ 2008-03-20 10:39:28
● 2015-08-10 05:02:22
● 2015-12-21 08:17:10
○ 2016-03-23 13:56:18
○ 2016-08-04 19:49:00
● 2016-08-19 10:02:52
● 2026-08-10 10:55:46

●NSns3.power-dns.com2026-03-24 → 2026-08-10 · 3 obs

○ 2016-08-19 10:02:52
● 2026-03-24 05:39:04
● 2026-08-10 10:55:46

●NSsingapore.power-dns.com2026-03-24 → 2026-08-10 · 9 obs

○ 2016-08-19 10:02:52
● 2026-03-24 05:39:04
○ 2026-04-02 02:07:18
● 2026-05-04 15:44:50
○ 2026-05-04 18:15:12
● 2026-05-08 12:02:36
● 2026-05-12 00:05:56
○ 2026-06-16 19:56:16
● 2026-08-10 10:55:46

○MXmail.dovemail.com2015-08-10 → 2016-08-19 · 5 obs

○ 2008-03-20 10:39:28
● 2015-08-10 05:02:22
● 2016-08-19 10:02:52
○ 2026-03-24 05:39:04
○ 2026-08-10 10:55:46

●MXmx1.ewebdevelopment.com2026-03-24 → 2026-08-10 · 3 obs

○ 2016-08-19 10:02:52
● 2026-03-24 05:39:04
● 2026-08-10 10:55:46

●MXmx2.ewebdevelopment.com2026-03-24 → 2026-08-10 · 3 obs

○ 2016-08-19 10:02:52
● 2026-03-24 05:39:04
● 2026-08-10 10:55:46

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

○ 2026-07-08 21:10:10
● 2026-08-10 10:55:46

○A15.156.126.962026-05-08 → 2026-05-08 · 4 obs

○ 2026-05-04 18:15:12
● 2026-05-08 12:02:36
○ 2026-05-12 00:05:56
○ 2026-08-10 10:55:46

○A15.157.197.2332026-05-12 → 2026-05-12 · 4 obs

○ 2026-05-08 12:02:36
● 2026-05-12 00:05:56
○ 2026-06-16 19:56:16
○ 2026-08-10 10:55:46

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

○ 2026-07-08 21:10:10
● 2026-08-10 10:55:46

○A15.222.163.772026-06-16 → 2026-06-16 · 4 obs

○ 2026-05-12 00:05:56
● 2026-06-16 19:56:16
○ 2026-07-03 08:04:34
○ 2026-08-10 10:55:46

○A15.222.92.432026-03-24 → 2026-08-10 · 2 obs

○ 2026-03-24 05:39:04
○ 2026-08-10 10:55:46

○A16.52.177.1302026-05-04 → 2026-05-04 · 5 obs

○ 2026-04-02 02:07:18
● 2026-05-04 15:44:50
● 2026-05-04 18:15:12
○ 2026-05-08 12:02:36
○ 2026-08-10 10:55:46

○A16.52.221.262026-05-12 → 2026-05-12 · 4 obs

○ 2026-05-08 12:02:36
● 2026-05-12 00:05:56
○ 2026-06-16 19:56:16
○ 2026-08-10 10:55:46

○A16.54.106.402026-05-08 → 2026-05-08 · 4 obs

○ 2026-05-04 18:15:12
● 2026-05-08 12:02:36
○ 2026-05-12 00:05:56
○ 2026-08-10 10:55:46

○A16.54.115.1802026-06-16 → 2026-06-16 · 4 obs

○ 2026-05-12 00:05:56
● 2026-06-16 19:56:16
○ 2026-07-03 08:04:34
○ 2026-08-10 10:55:46

○A16.54.123.1492026-03-24 → 2026-03-24 · 4 obs

○ 2016-08-19 10:02:52
● 2026-03-24 05:39:04
○ 2026-04-02 02:07:18
○ 2026-08-10 10:55:46

○A16.54.165.1682026-07-08 → 2026-07-08 · 3 obs

○ 2026-07-03 08:04:34
● 2026-07-08 21:10:10
○ 2026-08-10 10:55:46

○A16.54.19.742026-04-02 → 2026-04-02 · 4 obs

○ 2026-03-24 05:39:04
● 2026-04-02 02:07:18
○ 2026-05-04 15:44:50
○ 2026-08-10 10:55:46

○A16.54.23.482026-03-24 → 2026-03-24 · 4 obs

○ 2016-08-19 10:02:52
● 2026-03-24 05:39:04
○ 2026-04-02 02:07:18
○ 2026-08-10 10:55:46

○A16.54.9.1192026-04-02 → 2026-04-02 · 4 obs

○ 2026-03-24 05:39:04
● 2026-04-02 02:07:18
○ 2026-05-04 15:44:50
○ 2026-08-10 10:55:46

○A174.36.107.1302015-08-10 → 2015-08-10 · 4 obs

○ 2008-03-20 10:39:28
● 2015-08-10 05:02:22
○ 2026-03-24 05:39:04
○ 2026-08-10 10:55:46

○A174.37.172.1622015-08-10 → 2016-08-19 · 5 obs

○ 2008-03-20 10:39:28
● 2015-08-10 05:02:22
● 2016-08-19 10:02:52
○ 2026-03-24 05:39:04
○ 2026-08-10 10:55:46

○A3.97.178.2102026-07-03 → 2026-07-03 · 4 obs

○ 2026-06-16 19:56:16
● 2026-07-03 08:04:34
○ 2026-07-08 21:10:10
○ 2026-08-10 10:55:46

○A3.98.247.2272026-05-04 → 2026-05-04 · 5 obs

○ 2026-04-02 02:07:18
● 2026-05-04 15:44:50
● 2026-05-04 18:15:12
○ 2026-05-08 12:02:36
○ 2026-08-10 10:55:46

○A3.98.62.1282026-03-24 → 2026-08-10 · 2 obs

○ 2026-03-24 05:39:04
○ 2026-08-10 10:55:46

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

○ 2026-06-16 19:56:16
● 2026-07-03 08:04:34
○ 2026-08-10 10:55:46

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 461ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.222.150.159, 15.156.10.249`
NS	3	`ns2.power-dns.com, ns3.power-dns.com...`
MX	2	`mx2.ewebdevelopment.com (pri: 5), mx1.ewebdevelopment.com (pri: 1)`
TXT	4	`afternic-verification-VKoxaZkQawZ8VVht35, 91f786e2661531d62a5e4bf8dc941c30c7391ed6...`
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

The domain www.ostool.com falls under the parent ostool.com.

IP Addresses

ostool.com points to the IP addresses 15.156.10.249 and 15.222.150.159

Two other host names, along with quantanet.com, vivasenior.com and belgianartist.com, also share IP numbers with ostool.com.

Name Servers

The NS records for ostool.com point to four name servers: ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com and singapore.power-dns.com.

At least some of ostool.com's name servers are shared with other domains, for example earthfever.com, towerstar.com, inreno.com and two more.

These name servers tend to be deployed in combination with the name servers ip-172-26-1-146.us-east-2.compute.internal and amsterdam.power-dns.com.

Host names that have two IP addresses:

singapore.power-dns.com resolves to 15.156.10.249 and 15.222.150.159.

Host names that point to one IP address:

ns1.power-dns.com resolves to 13.58.50.225.

ns2.power-dns.com resolves to 188.166.142.159.

ns3.power-dns.com resolves to 139.59.220.175.

Mail Servers

ostool.com is served by two mail servers, mx1.ewebdevelopment.com and mx2.ewebdevelopment.com.

Among the domains sharing a mail server setup with ostool.com are allforbabies.com, domeview.com, demuda.com and two others.

Each of mx1.ewebdevelopment.com and mx2.ewebdevelopment.com has one IP address: mx1.ewebdevelopment.com uses 159.203.54.48 and mx2.ewebdevelopment.com uses 188.166.142.73.