dubitable.com - dns.ninja

`dubitable.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:ae1b:532:7c1e:9c2f:d0ac^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.163.9.173^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-163-9-173.compute-1.amazonaws.com`
		A	98.93.116.1^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-116-1.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:303c:9b15:3db3:a8a2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:bbc8:24d6:947f:1e99^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:6fa6:bf7e:9de7:5e92^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.225.33.252^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-225-33-252.compute-1.amazonaws.com`
		A	54.234.103.190^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-103-190.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f6ec:2543:1b2e:f83c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.90.140.102^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-90-140-102.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
		A	54.225.31.228^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-225-31-228.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-23 #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=1784870092

Same first word

dubitable.com

Similar names

buildbeta.com.au

betabuild.com.au

betabuild.io

bladitube.com

betabuild.com

DNS History

27 records (7 active, 20 former)

●NSns1.namebrightdns.com2016-04-09 → 2026-07-24 · 3 obs

○ 2016-01-22 15:45:56
● 2016-04-09 00:39:58
● 2026-07-24 05:43:12

○NSns1.slicehost.net2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○NSns2.namebrightdns.com2016-04-09 → 2017-05-31 · 5 obs

○ 2016-01-22 15:45:56
● 2016-04-09 00:39:58
● 2017-05-31 09:23:04
○ 2026-03-24 12:50:32
○ 2026-07-24 05:43:12

○NSns2.slicehost.net2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○NSns3.slicehost.net2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

●NSnsg1.namebrightdns.com2015-11-05 → 2026-07-24 · 6 obs

○ 2015-06-11 08:09:54
● 2015-11-05 22:57:48
● 2016-04-09 00:39:58
○ 2017-05-31 09:23:04
● 2026-03-24 12:50:32
● 2026-07-24 05:43:12

●NSnsg2.namebrightdns.com2015-11-05 → 2026-07-24 · 7 obs

○ 2015-06-11 08:09:54
● 2015-11-05 22:57:48
● 2016-01-22 15:45:56
○ 2016-04-09 00:39:58
○ 2017-05-31 09:23:04
● 2026-03-24 12:50:32
● 2026-07-24 05:43:12

○MXalt1.aspmx.l.google.com2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○MXalt2.aspmx.l.google.com2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○MXaspmx.l.google.com2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○MXaspmx2.googlemail.com2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○MXaspmx3.googlemail.com2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○MXaspmx4.googlemail.com2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○MXaspmx5.googlemail.com2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

○A119.9.72.722015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 08:09:54
○ 2015-11-05 22:57:48
○ 2026-07-24 05:43:12

●A13.223.25.842026-03-24 → 2026-07-24 · 3 obs

○ 2017-05-31 09:23:04
● 2026-03-24 12:50:32
● 2026-07-24 05:43:12

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-24 → 2026-07-24 · 3 obs

○ 2017-05-31 09:23:04
● 2026-03-24 12:50:32
● 2026-07-24 05:43:12

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-24 → 2026-07-24 · 3 obs

○ 2017-05-31 09:23:04
● 2026-03-24 12:50:32
● 2026-07-24 05:43:12

○A52.200.243.1232016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-22 15:45:56
● 2016-04-09 00:39:58
○ 2017-05-31 09:23:04
○ 2026-07-24 05:43:12

○A54.152.144.2432016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-22 15:45:56
● 2016-04-09 00:39:58
○ 2017-05-31 09:23:04
○ 2026-07-24 05:43:12

○A54.174.31.2542015-11-05 → 2015-11-05 · 4 obs

○ 2015-06-11 08:09:54
● 2015-11-05 22:57:48
○ 2016-01-22 15:45:56
○ 2026-07-24 05:43:12

○A54.208.74.2152015-11-05 → 2015-11-05 · 4 obs

○ 2015-06-11 08:09:54
● 2015-11-05 22:57:48
○ 2016-01-22 15:45:56
○ 2026-07-24 05:43:12

○A54.209.90.812016-01-22 → 2016-01-22 · 4 obs

○ 2015-11-05 22:57:48
● 2016-01-22 15:45:56
○ 2016-04-09 00:39:58
○ 2026-07-24 05:43:12

●A54.243.117.1972026-03-24 → 2026-07-24 · 3 obs

○ 2017-05-31 09:23:04
● 2026-03-24 12:50:32
● 2026-07-24 05:43:12

○A54.85.54.292016-01-22 → 2016-01-22 · 4 obs

○ 2015-11-05 22:57:48
● 2016-01-22 15:45:56
○ 2016-04-09 00:39:58
○ 2026-07-24 05:43:12

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-11-05 → 2016-04-09 · 4 obs

● 2015-11-05 22:57:48
● 2016-04-09 00:39:58
○ 2017-05-31 09:23:04
○ 2026-07-24 05:43:12

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-05-31 → 2017-05-31 · 4 obs

○ 2016-04-09 00:39:58
● 2017-05-31 09:23:04
○ 2026-03-24 12:50:32
○ 2026-07-24 05:43:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
dubitable.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.90.140.102

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dubitable.com (unsigned zone)

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

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

dubitable.com points to the four IP addresses 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.

Two other host names, along with ipmatic.com, i-bots.com and mail.pontoos.com, also share IP numbers with dubitable.com.

Name Servers

DNS for dubitable.com is handled by three authoritative name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

There is at least partial name server overlap between dubitable.com and other domains — appsry.com, mail.betonera.com, 174.36.91.30-static.reverse.peterbloggt.terrafans.com and two more among them.

The name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com are often found in combination with these name servers.

DNS names with 7 IP addresses:

nsg1.namebrightdns.com has IP addresses 54.162.235.48, 54.225.33.252 and 54.234.103.190, plus 4 other.

Host names directing to five IP addresses:

nsg2.namebrightdns.com has four IP addresses — 3.90.140.102, 54.221.37.2, 54.225.31.228 and two others.

Host names that resolve to four IP numbers:

ns1.namebrightdns.com resolves to four IP addresses — 54.163.9.173, 98.93.116.1, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and 2600:1f18:683a:ae1b:532:7c1e:9c2f:d0ac.