understood.us - dns.ninja

`understood.us`

DNSSEC	⚠️ Not signed
A	3.33.152.147^{🇺🇸 Amazon3.33.144.0/20}
		PTR	`a4ec4c6ea1c92e2e6.awsglobalaccelerator.com`
A	15.197.142.173^{🇺🇸 Amazon15.197.128.0/20}
NS	`ns41.domaincontrol.com` ⭐
		A	2603:5:2142::15^{🇺🇸 GODADDY-DNS2603:5:2140::/44}
			PTR	`ns41.domaincontrol.com`
		A	97.74.100.21^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns41.domaincontrol.com`
NS	`ns42.domaincontrol.com`
		A	2603:5:2242::15^{🇺🇸 GODADDY-DNS2603:5:2240::/44}
			PTR	`ns42.domaincontrol.com`
		A	173.201.68.21^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns42.domaincontrol.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
SOA	`ns41.domaincontrol.com`dns@jomax.net 2021-10-21 #0

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1783719582

Same first word

Similar names

undrestood.org

nordstudeo.com

undertoods.com

donstouder.com

DNS History

7 records (6 active, 1 former)

●NSns41.domaincontrol.com2015-06-15 → 2026-07-10 · 2 obs

● 2015-06-15 11:30:30
● 2026-07-10 22:15:32

●NSns42.domaincontrol.com2015-06-15 → 2026-07-10 · 2 obs

● 2015-06-15 11:30:30
● 2026-07-10 22:15:32

●MXmailstore1.secureserver.net2015-06-15 → 2026-07-10 · 2 obs

● 2015-06-15 11:30:30
● 2026-07-10 22:15:32

●MXsmtp.secureserver.net2015-06-15 → 2026-07-10 · 2 obs

● 2015-06-15 11:30:30
● 2026-07-10 22:15:32

●A15.197.142.1732026-06-30 → 2026-07-10 · 3 obs

○ 2017-04-20 17:58:20
● 2026-06-30 09:30:12
● 2026-07-10 22:15:32

○A184.168.221.292015-06-15 → 2017-04-20 · 4 obs

● 2015-06-15 11:30:30
● 2017-04-20 17:58:20
○ 2026-06-30 09:30:12
○ 2026-07-10 22:15:32

●A3.33.152.1472026-06-30 → 2026-07-10 · 3 obs

○ 2017-04-20 17:58:20
● 2026-06-30 09:30:12
● 2026-07-10 22:15:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...	-
understood.us	ns42.domaincontrol.com, ns41.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.68.21

NS records: ns42.domaincontrol.com, ns41.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for understood.us (unsigned zone)

⏱️ Timing

Total: 1765ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.142.173, 3.33.152.147`
NS	2	`ns41.domaincontrol.com, ns42.domaincontrol.com`
MX	2	`mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0)`
SOA	1	`ns41.domaincontrol.com dns.jomax.net`

Analysis

IP Addresses

understood.us directs to two IP numbers, 3.33.152.147 and 15.197.142.173

Among the host names that share IP numbers with understood.us are montavo.info, robrogersarchitecture.com, parlanti.nyc and two others.

Name Servers

understood.us is served by two delegated name servers, ns41.domaincontrol.com and ns42.domaincontrol.com.

understood.us has the same name server delegation as a number of other domains, such as seattle.jewelry, jsrce.com, goyol.com and two more.

Each of the two host names carries two IP addresses: ns41.domaincontrol.com points to 97.74.100.21 and 2603:5:2142::15, and ns42.domaincontrol.com points to 173.201.68.21 and 2603:5:2242::15.

Mail Servers

The MX records for understood.us point to two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

understood.us has the same mail server arrangement as a number of other domains, for example fonheals.info, dorkage.com, babyhonu.us and two more.

mailstore1.secureserver.net and smtp.secureserver.net each resolve to three IP addresses. mailstore1.secureserver.net resolves to 216.69.141.78, 216.69.141.114 and 216.69.141.162. smtp.secureserver.net resolves to 216.69.141.71, 216.69.141.84 and 216.69.141.113.