🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`thinkfirst.tech`

DNSSEC	⚠️ Not signed
A	18.239.168.52^{🇺🇸 Amazon18.239.168.0/23}
		PTR	`server-18-239-168-52.bos50.r.cloudfront.net`
A	18.239.168.110^{🇺🇸 Amazon18.239.168.0/23}
A	18.239.168.112^{🇺🇸 Amazon18.239.168.0/23}
A	18.239.168.126^{🇺🇸 Amazon18.239.168.0/23}
NS	`ns-1986.awsdns-56.co.uk` ⭐
		A	2600:9000:5307:c200::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1986.awsdns-56.co.uk`
		A	205.251.199.194^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1986.awsdns-56.co.uk`
NS	`ns-1357.awsdns-41.org`
		A	2600:9000:5305:4d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1357.awsdns-41.org`
		A	205.251.197.77^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1357.awsdns-41.org`
NS	`ns-159.awsdns-19.com`
		A	2600:9000:5300:9f00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-159.awsdns-19.com`
		A	205.251.192.159^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-159.awsdns-19.com`
NS	`ns-515.awsdns-00.net`
		A	2600:9000:5302:300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-515.awsdns-00.net`
		A	205.251.194.3^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-515.awsdns-00.net`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
SOA	`ns-1986.awsdns-56.co.uk`awsdns-hostmaster@amazon.com serial=1

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1794630539

Same first word

Similar names

firstthink.ai

firstthink.in

tinkrshift.com

firstthink.jp

firstthink.com

firstthink.net

firstthink.co

skinthrift.com

firstthink.xyz

thriftkins.com

Previous names

Next names

DNS History

25 records (9 active, 16 former)

●NSns-1357.awsdns-41.org2026-09-12 → 2026-11-14 · 2 obs

● 2026-09-12 19:07:12
● 2026-11-14 04:40:34

●NSns-159.awsdns-19.com2026-09-12 → 2026-11-14 · 2 obs

● 2026-09-12 19:07:12
● 2026-11-14 04:40:34

●NSns-1986.awsdns-56.co.uk2026-09-12 → 2026-11-14 · 2 obs

● 2026-09-12 19:07:12
● 2026-11-14 04:40:34

●NSns-515.awsdns-00.net2026-09-12 → 2026-11-14 · 2 obs

● 2026-09-12 19:07:12
● 2026-11-14 04:40:34

●MXsmtp.google.com2026-09-12 → 2026-11-14 · 2 obs

● 2026-09-12 19:07:12
● 2026-11-14 04:40:34

○A13.249.182.1152026-09-21 → 2026-11-13 · 14 obs

○ 2026-09-16 12:11:06
● 2026-09-21 22:24:40
○ 2026-09-22 06:33:54
● 2026-10-05 11:51:04
○ 2026-10-06 04:37:32
● 2026-10-13 07:03:42
○ 2026-10-14 20:18:48
● 2026-10-15 05:10:28
○ 2026-10-19 01:29:02
● 2026-10-20 23:28:26
○ 2026-10-22 07:02:14
● 2026-11-13 13:02:32
○ 2026-11-14 01:38:38
○ 2026-11-14 04:40:34

○A13.249.182.42026-09-21 → 2026-11-13 · 14 obs

○A13.249.182.472026-09-21 → 2026-11-13 · 14 obs

○A13.249.182.502026-09-21 → 2026-11-13 · 14 obs

○A18.154.84.1242026-09-12 → 2026-09-22 · 5 obs

● 2026-09-12 19:07:12
○ 2026-09-16 12:11:06
● 2026-09-22 10:46:08
○ 2026-09-27 22:02:24
○ 2026-11-14 04:40:34

○A18.154.84.242026-09-12 → 2026-09-22 · 5 obs

● 2026-09-12 19:07:12
○ 2026-09-16 12:11:06
● 2026-09-22 10:46:08
○ 2026-09-27 22:02:24
○ 2026-11-14 04:40:34

○A18.154.84.412026-09-12 → 2026-09-22 · 5 obs

● 2026-09-12 19:07:12
○ 2026-09-16 12:11:06
● 2026-09-22 10:46:08
○ 2026-09-27 22:02:24
○ 2026-11-14 04:40:34

○A18.154.84.492026-09-12 → 2026-09-22 · 5 obs

● 2026-09-12 19:07:12
○ 2026-09-16 12:11:06
● 2026-09-22 10:46:08
○ 2026-09-27 22:02:24
○ 2026-11-14 04:40:34

●A18.239.168.1102026-10-19 → 2026-11-14 · 7 obs

○ 2026-10-19 01:29:02
● 2026-10-19 06:24:34
○ 2026-10-20 23:28:26
● 2026-11-13 04:19:34
○ 2026-11-13 13:02:32
● 2026-11-14 01:38:38
● 2026-11-14 04:40:34

●A18.239.168.1122026-10-19 → 2026-11-14 · 7 obs

○ 2026-10-19 01:29:02
● 2026-10-19 06:24:34
○ 2026-10-20 23:28:26
● 2026-11-13 04:19:34
○ 2026-11-13 13:02:32
● 2026-11-14 01:38:38
● 2026-11-14 04:40:34

●A18.239.168.1262026-10-19 → 2026-11-14 · 7 obs

○ 2026-10-19 01:29:02
● 2026-10-19 06:24:34
○ 2026-10-20 23:28:26
● 2026-11-13 04:19:34
○ 2026-11-13 13:02:32
● 2026-11-14 01:38:38
● 2026-11-14 04:40:34

●A18.239.168.522026-10-19 → 2026-11-14 · 7 obs

○ 2026-10-19 01:29:02
● 2026-10-19 06:24:34
○ 2026-10-20 23:28:26
● 2026-11-13 04:19:34
○ 2026-11-13 13:02:32
● 2026-11-14 01:38:38
● 2026-11-14 04:40:34

○A3.167.88.1052026-09-16 → 2026-10-14 · 10 obs

○ 2026-09-12 19:07:12
● 2026-09-16 12:11:06
○ 2026-09-21 22:24:40
● 2026-09-22 06:33:54
○ 2026-09-22 10:46:08
● 2026-10-11 23:47:44
○ 2026-10-13 07:03:42
● 2026-10-14 20:18:48
○ 2026-10-15 05:10:28
○ 2026-11-14 04:40:34

○A3.167.88.222026-09-16 → 2026-10-14 · 10 obs

○A3.167.88.272026-09-16 → 2026-10-14 · 10 obs

○A3.167.88.702026-09-16 → 2026-10-14 · 10 obs

○A3.175.86.1132026-09-27 → 2026-10-22 · 10 obs

○ 2026-09-22 10:46:08
● 2026-09-27 22:02:24
○ 2026-10-05 11:51:04
● 2026-10-06 04:37:32
○ 2026-10-11 23:47:44
● 2026-10-19 01:29:02
○ 2026-10-19 06:24:34
● 2026-10-22 07:02:14
○ 2026-11-13 04:19:34
○ 2026-11-14 04:40:34

○A3.175.86.442026-09-27 → 2026-10-22 · 10 obs

○A3.175.86.472026-09-27 → 2026-10-22 · 10 obs

○A3.175.86.752026-09-27 → 2026-10-22 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns10.trs-dns.info, ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org	-
thinkfirst.tech	ns-1986.awsdns-56.co.uk, ns-159.awsdns-19.com, ns-515.awsdns-00.net, ns-1357.awsdns-41.org	-

✅ Authoritative Response

Server:205.251.199.194

NS records: ns-1986.awsdns-56.co.uk, ns-159.awsdns-19.com, ns-515.awsdns-00.net, ns-1357.awsdns-41.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkfirst.tech (unsigned zone)

⏱️ Timing

Total: 634ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.239.168.126, 18.239.168.110...`
NS	4	`ns-1357.awsdns-41.org, ns-159.awsdns-19.com...`
MX	1	`smtp.google.com (pri: 1)`
SOA	1	`ns-1986.awsdns-56.co.uk awsdns-hostmaste`

Analysis

IP Addresses

thinkfirst.tech resolves to four IP addresses: 18.239.168.52, 18.239.168.110, 18.239.168.112 and 18.239.168.126.

Two other host names, along with liminalwan.io, bf-zn-tx.com and web1234.lol, also share IP numbers with thinkfirst.tech.

Name Servers

The NS records for thinkfirst.tech point to four name servers: ns-159.awsdns-19.com, ns-515.awsdns-00.net, ns-1357.awsdns-41.org and ns-1986.awsdns-56.co.uk.

thinkfirst.tech shares at least some of its name servers with other domains, including d18ql1172pyu94.cloudfront.net, d3icxw75xu88v5.cloudfront.net, euc-sso-sm.eu-west-2.amazonaws.com and two others.

These name servers are frequently seen alongside the name servers ns1-24-eu-west-2.ec2-rdns.amazonaws.com, ns2-24-eu-west-2.ec2-rdns.amazonaws.com, ns3-24-eu-west-2.ec2-rdns.amazonaws.com and ns4-24-eu-west-2.ec2-rdns.amazonaws.com.

The host names ns-159.awsdns-19.com, ns-515.awsdns-00.net, ns-1357.awsdns-41.org and ns-1986.awsdns-56.co.uk each resolve to two IP addresses: ns-159.awsdns-19.com resolves to 205.251.192.159 and 2600:9000:5300:9f00::1; ns-515.awsdns-00.net resolves to 205.251.194.3 and 2600:9000:5302:300::1; ns-1357.awsdns-41.org resolves to 205.251.197.77 and 2600:9000:5305:4d00::1; ns-1986.awsdns-56.co.uk resolves to 205.251.199.194 and 2600:9000:5307:c200::1.

Mail Servers

The sole mail server for thinkfirst.tech is smtp.google.com.

Among the domains sharing a mail server setup with thinkfirst.tech are wbord.com, hashtagbrand.ai, disccenternyc.com and two others.

There is at least a partial MX overlap between thinkfirst.tech and other domains, including fayar.net, funkebooks.com, careerpilotpro.com and two others.

These mail servers frequently co-occur with the mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and two others.

With 9 IP addresses total, smtp.google.com resolves to 172.253.62.27, 172.253.115.26, 172.253.115.27 and 6 others.

thinkfirst.tech - robtex.com

thinkfirst.tech

tech

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`thinkfirst.tech`

`tech`