`defensescienceboard.com`

DNSSEC	⚠️ Not signed
A	13.66.138.109^{🇺🇸 Microsoft13.64.0.0/11 MICROSOFT}
A	52.175.202.25^{🇺🇸 Microsoft52.160.0.0/11 MICROSOFT}
NS	`ns1.dotster.com` ⭐
		A	172.64.52.250^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.dotster.com`
		A	172.64.53.155^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx.defensescienceboard.com` ⭐
		A	66.96.140.180^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
			PTR	`180.140.96.66.static.eigbox.net`
SOA	`NS1.DOTSTER.com`namehost@WORLDNIC.com serial=126011207

`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=1771291435

DNS History

8 records (5 active, 3 former)

●NSns1.dotster.com2026-03-09 → 2026-03-09 · 2 obs

○ 2017-11-15 14:51:12
● 2026-03-09 08:41:26

○NSns1.solutrix.net2016-12-15 → 2017-11-15 · 3 obs

● 2016-12-15 01:06:26
● 2017-11-15 14:51:12
○ 2026-03-09 08:41:26

●NSns2.dotster.com2026-03-09 → 2026-03-09 · 2 obs

○ 2017-11-15 14:51:12
● 2026-03-09 08:41:26

○NSns2.solutrix.net2017-11-15 → 2017-11-15 · 3 obs

○ 2016-12-15 01:06:26
● 2017-11-15 14:51:12
○ 2026-03-09 08:41:26

●MXmx.defensescienceboard.com2026-03-09 → 2026-03-09 · 1 obs

● 2026-03-09 08:41:26

●A13.66.138.1092026-03-09 → 2026-03-09 · 2 obs

○ 2017-11-15 14:51:12
● 2026-03-09 08:41:26

○A216.54.9.1772016-12-15 → 2017-11-15 · 3 obs

● 2016-12-15 01:06:26
● 2017-11-15 14:51:12
○ 2026-03-09 08:41:26

●A52.175.202.252026-03-09 → 2026-03-09 · 2 obs

○ 2017-11-15 14:51:12
● 2026-03-09 08:41:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
defensescienceboard.com	ns1.dotster.com, ns2.dotster.com	2 records

✅ Authoritative Response

Server: 172.64.52.250

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for defensescienceboard.com (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.66.138.109, 52.175.202.25`
NS	2	`ns1.dotster.com, ns2.dotster.com`
MX	1	`mx.defensescienceboard.com (pri: 30)`
SOA	1	`NS1.DOTSTER.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dotster.com, ns2.dotster.com)

Analysis

IP Addresses

defensescienceboard.com resolves to two IP numbers: 13.66.138.109 and 52.175.202.25.

other host names including wastudentmath.org, fans.lu, hyperiontms.com, alwpost.com and mcguireinvest.com share IP numbers with defensescienceboard.com.

Name Servers

defensescienceboard.com is delegated to two name servers ns1.dotster.com and ns2.dotster.com.

defensescienceboard.com shares the same name server setup as other domains, for instance amsfam.com, indds.com, massrtc.com, elctacoma.org and caropark.com.

defensescienceboard.com at least partially shares name servers with other domains, for instance usparksband.com, printworksprofessional.com, shmacktalk.com, kingscasa.com and garydrechsel.com.

these name servers are often used together with ns1.yourhostingaccount.com, ns2.yourhostingaccount.com, ns1.nameresolve.com and ns2.nameresolve.com.

Host names with one IP number:

ns1.dotster.com points to 172.64.52.250

ns2.dotster.com points to 172.64.53.155

Mail Servers

defensescienceboard.com is handled by a single mail server, mx.defensescienceboard.com.

mx.defensescienceboard.com resolves to IP 66.96.140.180.

defensescienceboard.com - robtex.com