`mathexplainer.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`ip-13-248-169-48.defastlink.net`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.dan.com` ⭐
		A	2603:5:2125::43^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.dan.com`
		A	97.74.98.67^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.dan.com`
NS	`ns2.dan.com`
		A	2603:5:2225::43^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.dan.com`
		A	173.201.66.67^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.dan.com`
SOA	`ns1.dan.com`dns@jomax.net 2025-10-01 #0

`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=1774689722

Subdomains

mail2.mathexplainer.com

Same first word

mathexplainer.com

DNS History

20 records (4 active, 16 former)

○NSdns1.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○NSdns2.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○NSdns3.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○NSdns4.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○NSdns5.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

●NSns1.dan.com2026-03-28 → 2026-03-28 · 3 obs

○ 2020-03-13 15:05:48
● 2026-03-28 00:41:28
● 2026-03-28 09:32:04

○NSns1.uniregistrymarket.link2020-03-13 → 2020-03-13 · 4 obs

○ 2015-11-08 22:08:28
● 2020-03-13 15:05:48
○ 2026-03-28 00:41:28
○ 2026-03-28 09:32:04

●NSns2.dan.com2026-03-28 → 2026-03-28 · 3 obs

○ 2020-03-13 15:05:48
● 2026-03-28 00:41:28
● 2026-03-28 09:32:04

○NSns2.uniregistrymarket.link2020-03-13 → 2020-03-13 · 4 obs

○ 2015-11-08 22:08:28
● 2020-03-13 15:05:48
○ 2026-03-28 00:41:28
○ 2026-03-28 09:32:04

○MXeforward1.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○MXeforward2.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○MXeforward3.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○MXeforward4.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○MXeforward5.registrar-servers.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○MXmx247.in-mx.com2020-03-13 → 2020-03-13 · 4 obs

○ 2015-11-08 22:08:28
● 2020-03-13 15:05:48
○ 2026-03-28 00:41:28
○ 2026-03-28 09:32:04

○MXmx247.in-mx.net2020-03-13 → 2020-03-13 · 4 obs

○ 2015-11-08 22:08:28
● 2020-03-13 15:05:48
○ 2026-03-28 00:41:28
○ 2026-03-28 09:32:04

●A13.248.169.482026-03-28 → 2026-03-28 · 3 obs

○ 2020-03-13 15:05:48
● 2026-03-28 00:41:28
● 2026-03-28 09:32:04

○A162.255.119.1902015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:18:44
○ 2015-11-08 22:08:28
○ 2026-03-28 09:32:04

○A69.172.201.1532020-03-13 → 2020-03-13 · 4 obs

○ 2015-11-08 22:08:28
● 2020-03-13 15:05:48
○ 2026-03-28 00:41:28
○ 2026-03-28 09:32:04

●A76.223.54.1462026-03-28 → 2026-03-28 · 3 obs

○ 2020-03-13 15:05:48
● 2026-03-28 00:41:28
● 2026-03-28 09:32:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...	-
mathexplainer.com	ns1.dan.com, ns2.dan.com	4 records

✅ Authoritative Response

Server:97.74.98.67

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathexplainer.com (unsigned zone)

⏱️ Timing

Total: 167ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns1.dan.com, ns2.dan.com`
SOA	1	`ns1.dan.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dan.com, ns1.dan.com, ns2.dan.com...)

Analysis

Hierarchy

mathexplainer.com is the parent of mail2.mathexplainer.com.

IP Addresses

The entity mathexplainer.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

For instance, other host names edifitech.com, 128.4.148.multilinks.com, open-ed.com, freeway.us and newmarlboroughmassachusetts.com share IP numbers with mathexplainer.com.

Name Servers

mathexplainer.com is delegated to two name servers: ns1.dan.com and ns2.dan.com.

mathexplainer.com uses the same name server setup as other domains such as port-de-paix.com, hostmaster.kotek.org, (0x736578)filmonline.startspot.nl, verification-sqex6cqrx7l7r5sndczxax.ns101.verify.hn and aa.tires.

mathexplainer.com shares name servers with other domains at least partially, for example sacramentoprivateinvestigator.com, call-girls.tv, askmysecretary.com, academy.app and general-agency.com.

These name servers are commonly used with ns1.undeveloped.com, ns2.undeveloped.com and tvmdn1ci.verify.hn.

Host names with two IP numbers:

ns1.dan.com points to 2603:5:2125::43 and 97.74.98.67; ns2.dan.com points to 2603:5:2225::43 and 173.201.66.67.

mathexplainer.com - robtex.com