`decisivethinking.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:f77:89a0:bb92:5271^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:72cf:8fcc:fd26:c66b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.130.88^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-130-88.compute-1.amazonaws.com`
		A	54.89.93.236^{🇺🇸 Amazon54.89.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-89-93-236.compute-1.amazonaws.com`
		A	54.159.91.195^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-159-91-195.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:6d5b:7ab3:7079:ee9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9806:d504:f0e4:26c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.139.104^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-139-104.compute-1.amazonaws.com`
		A	44.220.149.224^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-220-149-224.compute-1.amazonaws.com`
		A	54.88.138.42^{🇺🇸 Amazon54.88.0.0/16 EC2 IAD VPC prefix}
			PTR	`ec2-54-88-138-42.compute-1.amazonaws.com`
		A	54.159.15.163^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-159-15-163.compute-1.amazonaws.com`
		A	98.81.135.11^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-135-11.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:312d:ded2:48d4:bc36^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:2d47:6a2b:5efb:7d3b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ae80:2fd7:1e8:e9c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.217.230^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-217-230.compute-1.amazonaws.com`
		A	3.89.209.21^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-209-21.compute-1.amazonaws.com`
		A	34.203.199.171^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-203-199-171.compute-1.amazonaws.com`
		A	100.27.186.47^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-186-47.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-03-27 #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=1774646002

Previously MX for

decisivethinking.com

Same first word

decisivethinking.com

DNS History

21 records (7 active, 14 former)

●NSns1.namebrightdns.com2026-02-24 → 2026-03-27 · 3 obs

○ 2016-04-23 11:22:18
● 2026-02-24 00:15:30
● 2026-03-27 21:33:18

○NSns1.safeukdns.net2015-06-15 → 2016-01-19 · 5 obs

○ 2008-03-16 10:54:30
● 2015-06-15 05:21:20
● 2016-01-19 23:51:38
○ 2016-04-23 11:22:18
○ 2026-03-27 21:33:18

○NSns2.safeukdns.net2015-06-15 → 2016-01-19 · 5 obs

○ 2008-03-16 10:54:30
● 2015-06-15 05:21:20
● 2016-01-19 23:51:38
○ 2016-04-23 11:22:18
○ 2026-03-27 21:33:18

●NSnsg1.namebrightdns.com2026-02-24 → 2026-03-27 · 3 obs

○ 2016-04-23 11:22:18
● 2026-02-24 00:15:30
● 2026-03-27 21:33:18

●NSnsg2.namebrightdns.com2026-02-24 → 2026-03-27 · 3 obs

○ 2016-04-23 11:22:18
● 2026-02-24 00:15:30
● 2026-03-27 21:33:18

○NSyns1.yahoo.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○NSyns2.yahoo.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○MXdecisivethinking.com2015-06-15 → 2016-01-19 · 5 obs

○ 2008-03-16 10:54:30
● 2015-06-15 05:21:20
● 2016-01-19 23:51:38
○ 2016-04-23 11:22:18
○ 2026-03-27 21:33:18

○MXmx1.biz.mail.yahoo.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○MXmx5.biz.mail.yahoo.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○A109.123.110.2232015-06-15 → 2016-01-19 · 5 obs

○ 2008-03-16 10:54:30
● 2015-06-15 05:21:20
● 2016-01-19 23:51:38
○ 2016-04-23 11:22:18
○ 2026-03-27 21:33:18

●A13.223.25.842026-02-24 → 2026-03-27 · 3 obs

○ 2016-04-23 11:22:18
● 2026-02-24 00:15:30
● 2026-03-27 21:33:18

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-24 → 2026-03-27 · 3 obs

○ 2016-04-23 11:22:18
● 2026-02-24 00:15:30
● 2026-03-27 21:33:18

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-24 → 2026-03-27 · 3 obs

○ 2016-04-23 11:22:18
● 2026-02-24 00:15:30
● 2026-03-27 21:33:18

●A54.243.117.1972026-02-24 → 2026-03-27 · 3 obs

○ 2016-04-23 11:22:18
● 2026-02-24 00:15:30
● 2026-03-27 21:33:18

○A68.142.234.502008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○A68.142.234.512008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○A68.142.234.522008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○A68.142.234.532008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○A68.142.234.542008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

○A68.142.234.602008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:54:30
○ 2015-06-15 05:21:20
○ 2026-03-27 21:33:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
decisivethinking.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	18 records

✅ Authoritative Response

Server:100.27.186.47

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for decisivethinking.com (unsigned zone)

⏱️ Timing

Total: 71ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
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	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by decisivethinking.com: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

other host names including streetown.com, co-home.com, aafbd.com, ookers.com and labpixel.com share IP numbers with decisivethinking.com.

Name Servers

decisivethinking.com is delegated to three name servers ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

decisivethinking.com at least partially shares name servers with other domains, for instance mail.meenee.com, hmsco.com, enjoybingo.com, clearabc.com and mx.colourground.com.

These name servers are commonly used with ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Ten IP numbers: nsg1.namebrightdns.com points to 2600:1f18:683a:ae1a:6d5b:7ab3:7079:ee9, 2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61, 3.85.139.104, 44.220.149.224, 54.88.138.42, 54.159.15.163 and 98.81.135.11.

Eight IP numbers: nsg2.namebrightdns.com points to 2600:1f18:683a:ae1a:312d:ded2:48d4:bc36, 2600:1f18:683a:ae1b:2d47:6a2b:5efb:7d3b, 2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7, 2600:1f18:683a:ae1b:ae80:2fd7:1e8:e9c, 3.85.217.230, 3.89.209.21, 34.203.199.171 and 100.27.186.47.

Six IP numbers: ns1.namebrightdns.com points to 2600:1f18:683a:ae1a:f77:89a0:bb92:5271, 2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72, 2600:1f18:683a:ae1b:72cf:8fcc:fd26:c66b, 3.85.130.88, 54.89.93.236 and 54.159.91.195.

Note the lists use consecutive IP numbers within each group.

decisivethinking.com - robtex.com