underst.com - dns.ninja

`underst.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d57d:390a:64b4:d4f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
		A	52.204.81.90^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-204-81-90.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b159:2be8:f48c:b374^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.131.54^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-131-54.compute-1.amazonaws.com`
		A	13.222.195.178^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-222-195-178.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b942:bb73:2f59:d7af^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:da4a:4683:1131:8bce^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
		A	98.83.212.177^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-83-212-177.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-01 #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=1782890516

Previously MX for

underst.com

Same first word

underst.com

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DNS History

25 records (7 active, 18 former)

○NSdns1.name-services.com2016-12-09 → 2016-12-09 · 4 obs

○ 2016-04-22 12:35:32
● 2016-12-09 03:45:58
○ 2017-06-16 16:00:16
○ 2026-07-01 07:44:58

○NSdns1.registrar-servers.com2016-02-02 → 2016-04-22 · 4 obs

● 2016-02-02 08:19:16
● 2016-04-22 12:35:32
○ 2016-12-09 03:45:58
○ 2026-07-01 07:44:58

○NSdns2.name-services.com2016-12-09 → 2016-12-09 · 4 obs

○ 2016-04-22 12:35:32
● 2016-12-09 03:45:58
○ 2017-06-16 16:00:16
○ 2026-07-01 07:44:58

○NSdns2.registrar-servers.com2016-02-02 → 2016-04-22 · 4 obs

● 2016-02-02 08:19:16
● 2016-04-22 12:35:32
○ 2016-12-09 03:45:58
○ 2026-07-01 07:44:58

○NSdns3.name-services.com2016-12-09 → 2016-12-09 · 4 obs

○ 2016-04-22 12:35:32
● 2016-12-09 03:45:58
○ 2017-06-16 16:00:16
○ 2026-07-01 07:44:58

○NSdns3.registrar-servers.com2016-02-02 → 2016-04-22 · 4 obs

● 2016-02-02 08:19:16
● 2016-04-22 12:35:32
○ 2016-12-09 03:45:58
○ 2026-07-01 07:44:58

○NSdns4.name-services.com2016-12-09 → 2016-12-09 · 4 obs

○ 2016-04-22 12:35:32
● 2016-12-09 03:45:58
○ 2017-06-16 16:00:16
○ 2026-07-01 07:44:58

○NSdns4.registrar-servers.com2016-02-02 → 2016-04-22 · 4 obs

● 2016-02-02 08:19:16
● 2016-04-22 12:35:32
○ 2016-12-09 03:45:58
○ 2026-07-01 07:44:58

○NSdns5.name-services.com2016-12-09 → 2016-12-09 · 4 obs

○ 2016-04-22 12:35:32
● 2016-12-09 03:45:58
○ 2017-06-16 16:00:16
○ 2026-07-01 07:44:58

○NSdns5.registrar-servers.com2016-02-02 → 2016-04-22 · 4 obs

● 2016-02-02 08:19:16
● 2016-04-22 12:35:32
○ 2016-12-09 03:45:58
○ 2026-07-01 07:44:58

●NSns1.namebrightdns.com2026-02-18 → 2026-07-01 · 3 obs

○ 2017-06-16 16:00:16
● 2026-02-18 16:24:08
● 2026-07-01 07:44:58

○NSns73.domaincontrol.com2017-06-16 → 2017-06-16 · 4 obs

○ 2016-12-09 03:45:58
● 2017-06-16 16:00:16
○ 2026-02-18 16:24:08
○ 2026-07-01 07:44:58

○NSns74.domaincontrol.com2017-06-16 → 2017-06-16 · 4 obs

○ 2016-12-09 03:45:58
● 2017-06-16 16:00:16
○ 2026-02-18 16:24:08
○ 2026-07-01 07:44:58

●NSnsg1.namebrightdns.com2026-02-18 → 2026-07-01 · 3 obs

○ 2017-06-16 16:00:16
● 2026-02-18 16:24:08
● 2026-07-01 07:44:58

●NSnsg2.namebrightdns.com2026-02-18 → 2026-07-01 · 3 obs

○ 2017-06-16 16:00:16
● 2026-02-18 16:24:08
● 2026-07-01 07:44:58

○MXmailstore1.secureserver.net2017-06-16 → 2017-06-16 · 4 obs

○ 2016-12-09 03:45:58
● 2017-06-16 16:00:16
○ 2026-02-18 16:24:08
○ 2026-07-01 07:44:58

○MXsmtp.secureserver.net2017-06-16 → 2017-06-16 · 4 obs

○ 2016-12-09 03:45:58
● 2017-06-16 16:00:16
○ 2026-02-18 16:24:08
○ 2026-07-01 07:44:58

○MXunderst.com2016-02-02 → 2016-04-22 · 4 obs

● 2016-02-02 08:19:16
● 2016-04-22 12:35:32
○ 2016-12-09 03:45:58
○ 2026-07-01 07:44:58

●A13.223.25.842026-02-18 → 2026-07-01 · 3 obs

○ 2017-06-16 16:00:16
● 2026-02-18 16:24:08
● 2026-07-01 07:44:58

○A184.168.221.432017-06-16 → 2017-06-16 · 4 obs

○ 2016-12-09 03:45:58
● 2017-06-16 16:00:16
○ 2026-02-18 16:24:08
○ 2026-07-01 07:44:58

○A185.66.136.2542016-02-02 → 2016-04-22 · 4 obs

● 2016-02-02 08:19:16
● 2016-04-22 12:35:32
○ 2016-12-09 03:45:58
○ 2026-07-01 07:44:58

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-18 → 2026-07-01 · 3 obs

○ 2017-06-16 16:00:16
● 2026-02-18 16:24:08
● 2026-07-01 07:44:58

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-18 → 2026-07-01 · 3 obs

○ 2017-06-16 16:00:16
● 2026-02-18 16:24:08
● 2026-07-01 07:44:58

●A54.243.117.1972026-02-18 → 2026-07-01 · 3 obs

○ 2017-06-16 16:00:16
● 2026-02-18 16:24:08
● 2026-07-01 07:44:58

○A98.124.243.392016-12-09 → 2016-12-09 · 4 obs

○ 2016-04-22 12:35:32
● 2016-12-09 03:45:58
○ 2017-06-16 16:00:16
○ 2026-07-01 07:44:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
underst.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:13.221.131.54

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for underst.com (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

underst.com directs to four IP numbers, which are 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Among the host names that share IP numbers with underst.com are ns1.geophot.com, www.tsmac.com, eltutor.com and two others.

Name Servers

underst.com has three name servers — ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

At least some of underst.com's name servers are shared with other domains, for example villasincorfu.com, mx2.ersintekstekstil.com, bbeplayer.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names resolving to 6 IP numbers:

nsg1.namebrightdns.com points to 13.221.131.54, 13.222.195.178, 54.175.130.15 and 3 other IP addresses.

nsg2.namebrightdns.com points to 3.80.109.14, 98.81.3.34, 98.83.212.177 and 3 other IP addresses.

Hostnames that point to five IP numbers:

ns1.namebrightdns.com directs to 52.203.211.134, 52.204.81.90, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and two other IP addresses.