`thinkgoodbrain.com`

DNSSEC	⚠️ Not signed
A	13.35.78.16^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
		PTR	`server-13-35-78-16.iad61.r.cloudfront.net`
A	13.35.78.41^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
A	13.35.78.106^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
A	13.35.78.128^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
NS	`ans1.hostcocoa.com` ⭐
		A	205.251.192.117^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-117.awsdns-14.com`
NS	`ans2.hostcocoa.com`
		A	205.251.195.46^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-814.awsdns-37.net`
NS	`ans3.hostcocoa.com`
		A	205.251.197.133^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1413.awsdns-48.org`
NS	`ans4.hostcocoa.com`
		A	205.251.198.221^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1757.awsdns-27.co.uk`
MX	`kr1-aspmx1.worksmobile.com` ⭐
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
MX	`kr1-aspmx2.worksmobile.com`⁽²⁰⁾
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
TXT	`v=spf1 ip4:52.79.92.223 ~all`
SOA	`ans1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=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=1771291435

Same first word

thinkgoodbrain.com

DNS History

22 records (10 active, 12 former)

●NSans1.hostcocoa.com2026-02-18 → 2026-02-27 · 2 obs

● 2026-02-18 03:22:38
● 2026-02-27 10:01:24

●NSans2.hostcocoa.com2026-02-18 → 2026-02-27 · 2 obs

● 2026-02-18 03:22:38
● 2026-02-27 10:01:24

●NSans3.hostcocoa.com2026-02-18 → 2026-02-27 · 2 obs

● 2026-02-18 03:22:38
● 2026-02-27 10:01:24

●NSans4.hostcocoa.com2026-02-18 → 2026-02-27 · 2 obs

● 2026-02-18 03:22:38
● 2026-02-27 10:01:24

●MXkr1-aspmx1.worksmobile.com2026-02-18 → 2026-02-27 · 2 obs

● 2026-02-18 03:22:38
● 2026-02-27 10:01:24

●MXkr1-aspmx2.worksmobile.com2026-02-18 → 2026-02-27 · 2 obs

● 2026-02-18 03:22:38
● 2026-02-27 10:01:24

●A13.35.78.1062026-02-18 → 2026-02-27 · 8 obs

● 2026-02-18 03:22:38
○ 2026-02-18 09:50:38
○ 2026-02-19 03:07:06
● 2026-02-20 11:43:58
○ 2026-02-23 10:01:18
○ 2026-02-26 15:25:30
● 2026-02-27 04:20:46
● 2026-02-27 10:01:24

●A13.35.78.1282026-02-18 → 2026-02-27 · 8 obs

● 2026-02-18 03:22:38
○ 2026-02-18 09:50:38
○ 2026-02-19 03:07:06
● 2026-02-20 11:43:58
○ 2026-02-23 10:01:18
○ 2026-02-26 15:25:30
● 2026-02-27 04:20:46
● 2026-02-27 10:01:24

●A13.35.78.162026-02-18 → 2026-02-27 · 8 obs

● 2026-02-18 03:22:38
○ 2026-02-18 09:50:38
○ 2026-02-19 03:07:06
● 2026-02-20 11:43:58
○ 2026-02-23 10:01:18
○ 2026-02-26 15:25:30
● 2026-02-27 04:20:46
● 2026-02-27 10:01:24

●A13.35.78.412026-02-18 → 2026-02-27 · 8 obs

● 2026-02-18 03:22:38
○ 2026-02-18 09:50:38
○ 2026-02-19 03:07:06
● 2026-02-20 11:43:58
○ 2026-02-23 10:01:18
○ 2026-02-26 15:25:30
● 2026-02-27 04:20:46
● 2026-02-27 10:01:24

○A18.239.236.142026-02-18 → 2026-02-24 · 10 obs

○ 2026-02-18 03:22:38
● 2026-02-18 09:50:38
○ 2026-02-18 15:42:16
○ 2026-02-19 00:46:38
● 2026-02-19 03:07:06
○ 2026-02-20 11:43:58
● 2026-02-23 10:01:18
● 2026-02-24 00:26:26
○ 2026-02-25 05:14:40
○ 2026-02-27 10:01:24

○A18.239.236.162026-02-18 → 2026-02-24 · 10 obs

○A18.239.236.622026-02-18 → 2026-02-24 · 10 obs

○A18.239.236.632026-02-18 → 2026-02-24 · 10 obs

○A3.167.88.282026-02-26 → 2026-02-26 · 5 obs

○ 2026-02-25 05:14:40
● 2026-02-26 02:58:14
● 2026-02-26 15:25:30
○ 2026-02-27 04:20:46
○ 2026-02-27 10:01:24

○A3.167.88.732026-02-26 → 2026-02-26 · 5 obs

○ 2026-02-25 05:14:40
● 2026-02-26 02:58:14
● 2026-02-26 15:25:30
○ 2026-02-27 04:20:46
○ 2026-02-27 10:01:24

○A3.167.88.82026-02-26 → 2026-02-26 · 5 obs

○ 2026-02-25 05:14:40
● 2026-02-26 02:58:14
● 2026-02-26 15:25:30
○ 2026-02-27 04:20:46
○ 2026-02-27 10:01:24

○A3.167.88.902026-02-26 → 2026-02-26 · 5 obs

○ 2026-02-25 05:14:40
● 2026-02-26 02:58:14
● 2026-02-26 15:25:30
○ 2026-02-27 04:20:46
○ 2026-02-27 10:01:24

○A52.84.20.1182026-02-18 → 2026-02-25 · 8 obs

○ 2026-02-18 09:50:38
● 2026-02-18 15:42:16
● 2026-02-19 00:46:38
○ 2026-02-19 03:07:06
○ 2026-02-24 00:26:26
● 2026-02-25 05:14:40
○ 2026-02-26 02:58:14
○ 2026-02-27 10:01:24

○A52.84.20.52026-02-18 → 2026-02-25 · 8 obs

○ 2026-02-18 09:50:38
● 2026-02-18 15:42:16
● 2026-02-19 00:46:38
○ 2026-02-19 03:07:06
○ 2026-02-24 00:26:26
● 2026-02-25 05:14:40
○ 2026-02-26 02:58:14
○ 2026-02-27 10:01:24

○A52.84.20.542026-02-18 → 2026-02-25 · 8 obs

○ 2026-02-18 09:50:38
● 2026-02-18 15:42:16
● 2026-02-19 00:46:38
○ 2026-02-19 03:07:06
○ 2026-02-24 00:26:26
● 2026-02-25 05:14:40
○ 2026-02-26 02:58:14
○ 2026-02-27 10:01:24

○A52.84.20.942026-02-18 → 2026-02-25 · 8 obs

○ 2026-02-18 09:50:38
● 2026-02-18 15:42:16
● 2026-02-19 00:46:38
○ 2026-02-19 03:07:06
○ 2026-02-24 00:26:26
● 2026-02-25 05:14:40
○ 2026-02-26 02:58:14
○ 2026-02-27 10:01:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
thinkgoodbrain.com	ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com	4 records

✅ Authoritative Response

Server: 205.251.197.133

NS records: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkgoodbrain.com (unsigned zone)

⏱️ Timing

Total: 423ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.78.41, 13.35.78.128...`
NS	4	`ans1.hostcocoa.com, ans2.hostcocoa.com...`
MX	2	`kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20)`
TXT	1	`v=spf1 ip4:52.79.92.223 ~all`
SOA	1	`ans1.hostcocoa.com awsdns-hostmaster.ama`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com...)

AI analysis

thinkgoodbrain.com maps to four IP numbers: 13.35.78.16, 13.35.78.41, 13.35.78.106 and 13.35.78.128.

Other host names, for instance d2t8hw7kzj10w2.cloudfront.net, www.mhw-builder.com, airprompter.com, mivnit.co.il and d3c1h8z9e8g5l4.cloudfront.net share IP numbers with thinkgoodbrain.com.

thinkgoodbrain.com is delegated to four name servers: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com and ans4.hostcocoa.com.

thinkgoodbrain.com at least partially shares name servers with other domains such as 3ye.global, daily-feed.co.kr, seobang.co.kr, dsnw-it.com and avahair.co.kr.

Host names with one IP number:

ans1.hostcocoa.com points to: 205.251.192.117

ans2.hostcocoa.com points to: 205.251.195.46

ans3.hostcocoa.com points to: 205.251.197.133

ans4.hostcocoa.com points to: 205.251.198.221

Two mail servers handle thinkgoodbrain.com: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

thinkgoodbrain.com shares the same mail server setup as other domains, including top-rider.com, postcom.co.kr, fooddeco.co.kr, agcweb.co.kr and gctec.co.kr.

thinkgoodbrain.com shares mail servers with other domains at least in part, for instance wrc.kr, extriple.com, dgient.com, hound13.com and tglab.co.kr.

Hostnames with one IP number:

kr1-aspmx1.worksmobile.com points to 125.209.209.251

kr1-aspmx2.worksmobile.com points to 125.209.209.251

Hostnames pointing to 125.209.209.251: kr1-aspmx1.worksmobile.com, kr1-aspmx2.worksmobile.com

thinkgoodbrain.com - robtex.com