`mathworklearning.co`

DNSSEC	⚠️ Not signed
A	192.157.56.142^{🇺🇸 SERVER-MANIA192.157.56.0/22 B2Net Solutions}
NS	`ns1.brainydns.com` ⭐
		A	23.19.67.18^{🇺🇸 LEASEWEB-USA-LAX-1123.19.64.0/20 Leaseweb USA, Inc.}
			PTR	`watchmanagement.net`
		A	64.120.31.81^{🇺🇸 LEASEWEB-USA-NYC-1164.120.28.0/22 Leaseweb USA, Inc.}
			PTR	`ip-64-120-31-81.defastlink.net`
		A	74.63.241.18^{🇺🇸 Limestone Networks74.63.192.0/18 Inc. 400 S. Akard Street Dallas, TX 75202 US =20}
			PTR	`18-241-63-74.static.reverse.lstn.net`
		A	192.157.56.138^{🇺🇸 SERVER-MANIA192.157.56.0/22 B2Net Solutions}
			PTR	`server.en.gs`
		A	199.115.116.161^{🇺🇸 LEASEWEB-US199.115.112.0/21 Leaseweb USA, Inc. US}
			PTR	`ip-199-115-116-161.defastlink.net`
		A	207.244.67.194^{🇺🇸 LEASEWEB-US207.244.64.0/18 Leaseweb USA, Inc. US}
			PTR	`ip-207-244-67-194.defastlink.net`
		A	208.115.247.67^{🇺🇸 Limestone Networks208.115.247.0/24}
			PTR	`67-247-115-208.static.reverse.lstn.net`
		A	216.245.197.162^{🇺🇸 Limestone Networks216.245.192.0/19 Inc. 400 S. Akard Street Dallas, TX 75202 US =20}
			PTR	`162-197-245-216.static.reverse.lstn.net`
NS	`ns2.brainydns.com`
		A	5.79.71.13^{🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB}
			PTR	`ip-5-79-71-13.defastlink.net`
		A	212.32.255.112^{🇳🇱 LEASEWEB-NL-AMS-01212.32.224.0/19}
			PTR	`ip-212-32-255-112.defastlink.net`
		A	212.92.104.1^{🇳🇱 NFORCE212.92.104.0/21 NFOrce Entertainment BV - route 212.92.104.0/21}
			PTR	`ip-212-92-104-1.defastlink.net`
		A	212.92.104.113^{🇳🇱 NFORCE212.92.104.0/21 NFOrce Entertainment BV - route 212.92.104.0/21}
			PTR	`ip-212-92-104-113.defastlink.net`
SOA	`ns1.brainydns.com`admin@mathworklearning.co 2026-03-12 #4

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co` 🔒
	NS	`b.registrydns.co` 🔒
	NS	`c.registrydns.co` 🔒
	NS	`d.registrydns.co` 🔒
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759588016

Same first word

mathworklearning.co

DNS History

11 records (3 active, 8 former)

●NSns1.brainydns.com2026-02-17 → 2026-03-13 · 2 obs

● 2026-02-17 20:59:04
● 2026-03-13 07:31:56

○NSns1.emu-dns.com2026-02-25 → 2026-03-11 · 13 obs

○ 2026-02-17 20:59:04
● 2026-02-25 05:39:10
○ 2026-02-26 06:40:46
● 2026-02-27 13:17:26
○ 2026-02-28 04:09:44
○ 2026-02-28 20:21:18
● 2026-03-01 06:30:36
○ 2026-03-02 18:35:36
○ 2026-03-06 18:51:44
● 2026-03-07 18:42:04
● 2026-03-11 13:16:30
○ 2026-03-12 07:02:02
○ 2026-03-13 07:31:56

●NSns2.brainydns.com2026-02-17 → 2026-03-13 · 2 obs

● 2026-02-17 20:59:04
● 2026-03-13 07:31:56

○NSns2.emu-dns.com2026-03-07 → 2026-03-11 · 7 obs

○ 2026-03-06 18:51:44
● 2026-03-07 18:42:04
○ 2026-03-08 03:16:12
○ 2026-03-10 00:24:20
● 2026-03-11 13:16:30
○ 2026-03-12 07:02:02
○ 2026-03-13 07:31:56

○A192.157.56.1392026-02-25 → 2026-03-12 · 8 obs

○ 2026-02-23 14:15:08
● 2026-02-25 05:39:10
○ 2026-02-26 06:40:46
○ 2026-03-10 00:24:20
● 2026-03-11 13:16:30
● 2026-03-12 07:02:02
○ 2026-03-13 07:31:54
○ 2026-03-13 07:31:56

○A192.157.56.1402026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 05:39:10
● 2026-02-26 06:40:46
○ 2026-02-27 13:17:26
○ 2026-03-13 07:31:56

○A192.157.56.1412026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-17 20:59:04
● 2026-02-23 14:15:08
○ 2026-02-25 05:39:10
○ 2026-03-13 07:31:56

●A192.157.56.1422026-03-13 → 2026-03-13 · 3 obs

○ 2026-03-12 07:02:02
● 2026-03-13 07:31:54
● 2026-03-13 07:31:56

○A212.32.255.1112026-02-17 → 2026-03-10 · 9 obs

● 2026-02-17 20:59:04
○ 2026-02-23 14:15:08
○ 2026-03-02 18:35:36
● 2026-03-03 03:20:34
○ 2026-03-06 18:51:44
○ 2026-03-08 03:16:12
● 2026-03-10 00:24:20
○ 2026-03-11 13:16:30
○ 2026-03-13 07:31:56

○A212.32.255.842026-02-27 → 2026-03-07 · 8 obs

○ 2026-02-26 06:40:46
● 2026-02-27 13:17:26
● 2026-03-01 06:30:36
○ 2026-03-02 18:35:36
○ 2026-03-06 18:51:44
● 2026-03-07 18:42:04
○ 2026-03-08 03:16:12
○ 2026-03-13 07:31:56

○A212.7.209.2072026-03-06 → 2026-03-08 · 6 obs

○ 2026-03-03 03:20:34
● 2026-03-06 18:51:44
○ 2026-03-07 18:42:04
● 2026-03-08 03:16:12
○ 2026-03-10 00:24:20
○ 2026-03-13 07:31:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co	-
mathworklearning.co	ns1.brainydns.com, ns2.brainydns.com	-

✅ Authoritative Response

Server: 212.92.104.1

NS records: ns1.brainydns.com, ns2.brainydns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathworklearning.co (unsigned zone)

⏱️ Timing

Total: 670ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.92.104.5`
NS	2	`ns1.brainydns.com, ns2.brainydns.com`
SOA	1	`ns1.brainydns.com admin.mathworklearning`

Analysis

IP Addresses

mathworklearning.co resolves to one IP number: 192.157.56.142.

Other host names, for instance bestsportstreamingsites.com, gamerhunk.com, relay.(0x696e63657374)fire.com, www.trafficshoe.com and kanpp.net share IP numbers with mathworklearning.co.

Name Servers

mathworklearning.co's delegation uses two name servers: ns1.brainydns.com and ns2.brainydns.com.

mathworklearning.co uses the same name server setup as other domains, such as india-cellular.com, spotspan.com, gazo.space, llim.net and albumfiend.com.

mathworklearning.co at least partially shares name servers with other domains, including (0x787878)animemovies.com, livetv441.me, myp2pch.com, veshbeats.com and readonlinebookfree.com.

These name servers are often used with ns1.emu-dns.com and ns2.emu-dns.com.

Host names with eight IP numbers:

ns1.brainydns.com points to 23.19.67.18, 64.120.31.81, 74.63.241.18, 192.157.56.138, 199.115.116.161, 207.244.67.194, 208.115.247.67 and 216.245.197.162.

Host names with four IP numbers:

ns2.brainydns.com points to 5.79.71.13, 212.32.255.112, 212.92.104.1 and 212.92.104.113.

mathworklearning.co - robtex.com