math-worksheet.com - dns.ninja

`math-worksheet.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	`ip-172-26-1-146.us-east-2.compute.internal` ⭐
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	`91f786e2661531d62a5e4bf8dc941c30c7391ed6`
TXT	`v=spf1 include:u2069692.wl.sendgrid.net -all`
SOA	`ip-172-26-1-146.us-east-2.compute.internal`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=1783954327

Same first word

math-worksheet.com

DNS History

26 records (8 active, 18 former)

○NSamsterdam.power-dns.com2026-03-23 → 2026-03-31 · 5 obs

○ 2026-03-05 09:49:14
● 2026-03-23 06:08:02
● 2026-03-31 05:27:02
○ 2026-03-31 10:54:14
○ 2026-07-13 15:05:20

●NSip-172-26-1-146.us-east-2.compute.internal2026-07-13 → 2026-07-13 · 3 obs

○ 2026-04-17 20:43:56
● 2026-07-13 15:05:18
● 2026-07-13 15:05:20

○NSip-172-26-1-312019-12-22 → 2019-12-22 · 4 obs

○ 2017-02-11 22:34:06
● 2019-12-22 18:50:24
○ 2026-03-05 09:49:14
○ 2026-07-13 15:05:20

●NSns1.power-dns.com2015-06-15 → 2026-07-13 · 7 obs

● 2015-06-15 18:39:10
● 2015-11-04 07:31:10
○ 2016-01-29 03:16:40
● 2016-04-27 13:39:12
○ 2017-02-11 22:34:06
● 2019-12-22 18:50:24
● 2026-07-13 15:05:20

●NSns2.power-dns.com2015-06-15 → 2026-07-13 · 6 obs

● 2015-06-15 18:39:10
○ 2015-11-04 07:31:10
● 2016-01-29 03:16:40
○ 2016-04-27 13:39:12
● 2017-02-11 22:34:06
● 2026-07-13 15:05:20

●NSns3.power-dns.com2019-12-22 → 2026-07-13 · 3 obs

○ 2017-02-11 22:34:06
● 2019-12-22 18:50:24
● 2026-07-13 15:05:20

○NSsingapore.power-dns.com2026-03-05 → 2026-04-17 · 8 obs

○ 2019-12-22 18:50:24
● 2026-03-05 09:49:14
○ 2026-03-23 06:08:02
○ 2026-03-31 05:27:02
● 2026-03-31 10:54:14
● 2026-04-17 20:43:56
○ 2026-07-13 15:05:18
○ 2026-07-13 15:05:20

○MXmail.dovemail.com2015-06-15 → 2017-02-11 · 4 obs

● 2015-06-15 18:39:10
● 2017-02-11 22:34:06
○ 2019-12-22 18:50:24
○ 2026-07-13 15:05:20

●MXmx1.ewebdevelopment.com2019-12-22 → 2026-07-13 · 3 obs

○ 2017-02-11 22:34:06
● 2019-12-22 18:50:24
● 2026-07-13 15:05:20

●MXmx2.ewebdevelopment.com2019-12-22 → 2026-07-13 · 3 obs

○ 2017-02-11 22:34:06
● 2019-12-22 18:50:24
● 2026-07-13 15:05:20

○A16.52.195.2112026-03-05 → 2026-03-05 · 4 obs

○ 2019-12-22 18:50:24
● 2026-03-05 09:49:14
○ 2026-03-23 06:08:02
○ 2026-07-13 15:05:20

○A16.54.110.2252026-04-17 → 2026-04-17 · 4 obs

○ 2026-03-31 10:54:14
● 2026-04-17 20:43:56
○ 2026-07-13 15:05:18
○ 2026-07-13 15:05:20

○A16.54.123.1492026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-05 09:49:14
● 2026-03-23 06:08:02
○ 2026-03-31 05:27:02
○ 2026-07-13 15:05:20

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

○ 2026-03-23 06:08:02
● 2026-03-31 05:27:02
● 2026-03-31 10:54:14
○ 2026-04-17 20:43:56
○ 2026-07-13 15:05:20

○A16.54.22.1582026-03-05 → 2026-07-13 · 2 obs

○ 2026-03-05 09:49:14
○ 2026-07-13 15:05:20

○A16.54.23.482026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-05 09:49:14
● 2026-03-23 06:08:02
○ 2026-03-31 05:27:02
○ 2026-07-13 15:05:20

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

○ 2026-03-23 06:08:02
● 2026-03-31 05:27:02
● 2026-03-31 10:54:14
○ 2026-04-17 20:43:56
○ 2026-07-13 15:05:20

○A16.54.92.122026-03-05 → 2026-03-05 · 4 obs

○ 2019-12-22 18:50:24
● 2026-03-05 09:49:14
○ 2026-03-23 06:08:02
○ 2026-07-13 15:05:20

○A174.36.107.1302015-06-15 → 2017-02-11 · 6 obs

● 2015-06-15 18:39:10
● 2016-01-29 03:16:40
○ 2016-04-27 13:39:12
● 2017-02-11 22:34:06
○ 2019-12-22 18:50:24
○ 2026-07-13 15:05:20

○A174.37.172.1622015-06-15 → 2017-02-11 · 7 obs

● 2015-06-15 18:39:10
● 2015-11-04 07:31:10
○ 2016-01-29 03:16:40
● 2016-04-27 13:39:12
● 2017-02-11 22:34:06
○ 2019-12-22 18:50:24
○ 2026-07-13 15:05:20

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

○ 2026-04-17 20:43:56
● 2026-07-13 15:05:18
● 2026-07-13 15:05:20

○A3.99.90.1562026-04-17 → 2026-04-17 · 4 obs

○ 2026-03-31 10:54:14
● 2026-04-17 20:43:56
○ 2026-07-13 15:05:18
○ 2026-07-13 15:05:20

○A35.183.190.1242026-03-05 → 2026-07-13 · 2 obs

○ 2026-03-05 09:49:14
○ 2026-07-13 15:05:20

○A52.60.233.32019-12-22 → 2019-12-22 · 4 obs

○ 2017-02-11 22:34:06
● 2019-12-22 18:50:24
○ 2026-03-05 09:49:14
○ 2026-07-13 15:05:20

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

○ 2026-04-17 20:43:56
● 2026-07-13 15:05:18
● 2026-07-13 15:05:20

○A99.79.96.1082019-12-22 → 2019-12-22 · 4 obs

○ 2017-02-11 22:34:06
● 2019-12-22 18:50:24
○ 2026-03-05 09:49:14
○ 2026-07-13 15:05:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...	-
math-worksheet.com	ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com	3 records

✅ Authoritative Response

Server:139.59.220.175

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math-worksheet.com (unsigned zone)

⏱️ Timing

Total: 892ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.99.19.152, 52.60.68.137`
NS	3	`ns1.power-dns.com, ns2.power-dns.com...`
MX	2	`mx1.ewebdevelopment.com (pri: 1), mx2.ewebdevelopment.com (pri: 5)`
TXT	4	`934c3bfaa10e7d053ed251a82e3f4a82d19da885, 91f786e2661531d62a5e4bf8dc941c30c7391ed6...`
SOA	1	`singapore.power-dns.com hostmaster.power`

📌 Glue Records Collected

Total: 3

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

Analysis

IP Addresses

math-worksheet.com directs to two IP numbers, 3.99.19.152 and 52.60.68.137

Among the host names that share IP numbers with math-worksheet.com are erfort.com, egazo.com, kraintz.com and two others.

Name Servers

The domain math-worksheet.com is delegated to these four name servers: ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com and ip-172-26-1-146.us-east-2.compute.internal.

math-worksheet.com has at least partial name server overlap with other domains, such as m2mobile.com, yarrito.com, mail.page-media.com and two others.

It is common to see these name servers used together with name servers singapore.power-dns.com and amsterdam.power-dns.com.

The hostnames ns1.power-dns.com, ns2.power-dns.com and ns3.power-dns.com each resolve to a single IP: ns1.power-dns.com → 13.58.50.225, ns2.power-dns.com → 188.166.142.159, ns3.power-dns.com → 139.59.220.175.

Mail Servers

The MX records for math-worksheet.com point to two mail servers: mx1.ewebdevelopment.com and mx2.ewebdevelopment.com.

math-worksheet.com has the same mail server arrangement as a number of other domains, for example worldpoor.com, kcgg.com, larubia.com and two more.

mx1.ewebdevelopment.com directs to 159.203.54.48 and mx2.ewebdevelopment.com directs to 188.166.142.73; each host name points to exactly one IP number.