🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`thoughtstack.co`

DNSSEC	⚠️ Not signed
A	3.171.76.68^{🇺🇸 Amazon3.171.76.0/23}
		PTR	`server-3-171-76-68.iad89.r.cloudfront.net`
A	3.171.76.80^{🇺🇸 Amazon3.171.76.0/23}
A	3.171.76.82^{🇺🇸 Amazon3.171.76.0/23}
A	3.171.76.99^{🇺🇸 Amazon3.171.76.0/23}
NS	`ns-377.awsdns-47.com` ⭐
		A	2600:9000:5301:7900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-377.awsdns-47.com`
		A	205.251.193.121^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-377.awsdns-47.com`
NS	`ns-1385.awsdns-45.org`
		A	2600:9000:5305:6900::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1385.awsdns-45.org`
		A	205.251.197.105^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1385.awsdns-45.org`
NS	`ns-1554.awsdns-02.co.uk`
		A	2600:9000:5306:1200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1554.awsdns-02.co.uk`
		A	205.251.198.18^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1554.awsdns-02.co.uk`
NS	`ns-855.awsdns-42.net`
		A	2600:9000:5303:5700::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-855.awsdns-42.net`
		A	205.251.195.87^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-855.awsdns-42.net`
MX	`mx2.zoho.in` ⭐
		A	169.148.146.168^{🇮🇳 ZOHO-IN169.148.146.0/24 ZOHO Corporation Private Limited Estancia IT Park GST Road , Vallanchery Village, GST Rd}
		A	169.148.149.118^{🇮🇳 ZOHO-IN169.148.148.0/23 ZOHO Corporation Private Limited Estancia IT Park GST Road , Vallanchery Village, GST Rd}
			PTR	`mx2.zoho.in`
			PTR	`mx3.zoho.in`
			PTR	`mx.zoho.in`
MX	`mx3.zoho.in`⁽²⁰⁾
		A	169.148.146.168^{🇮🇳 ZOHO-IN169.148.146.0/24 ZOHO Corporation Private Limited Estancia IT Park GST Road , Vallanchery Village, GST Rd}
MX	`mx.zoho.in`⁽⁵⁰⁾
		A	103.103.196.235^{🇮🇳 ZOHO-IN103.103.196.0/23 ZOHO}
		A	169.148.149.118^{🇮🇳 ZOHO-IN169.148.148.0/23 ZOHO Corporation Private Limited Estancia IT Park GST Road , Vallanchery Village, GST Rd}
			PTR	`mx2.zoho.in`
			PTR	`mx3.zoho.in`
			PTR	`mx.zoho.in`
TXT	`google-site-verification=il8FIhztKlZA1GXn1iA2Bg3f32wVn9OAn0qagAYv4dk`
TXT	`v=spf1 include:zoho.in include:amazonses.com ~all`
TXT	`zoho-verification=zb73514862.zmverify.zoho.in`
SOA	`ns-377.awsdns-47.com`awsdns-hostmaster@amazon.com serial=1

`co`

	DNSSEC	⚠️ Not signed
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759767381

Previously MX for

thoughtstack.co

Subdomains

www.thoughtstack.co

Same first word

thoughtstack.co

thoughtstack.cloud

thoughtstack.pages.dev

thoughtstack.online

thoughtstack.net

Previous names

Next names

DNS History

27 records (11 active, 16 former)

●NSns-1385.awsdns-45.org2026-08-24 → 2026-09-26 · 3 obs

○ 2017-07-09 15:07:22
● 2026-08-24 14:11:38
● 2026-09-26 21:03:52

●NSns-1554.awsdns-02.co.uk2026-08-24 → 2026-09-26 · 3 obs

○ 2017-07-09 15:07:22
● 2026-08-24 14:11:38
● 2026-09-26 21:03:52

●NSns-377.awsdns-47.com2026-08-24 → 2026-09-26 · 3 obs

○ 2017-07-09 15:07:22
● 2026-08-24 14:11:38
● 2026-09-26 21:03:52

●NSns-855.awsdns-42.net2026-08-24 → 2026-09-26 · 3 obs

○ 2017-07-09 15:07:22
● 2026-08-24 14:11:38
● 2026-09-26 21:03:52

○NSns1.c33590.sgvps.net2017-07-09 → 2017-07-09 · 3 obs

● 2017-07-09 15:07:22
○ 2026-08-24 14:11:38
○ 2026-09-26 21:03:52

○NSns2.c33590.sgvps.net2017-07-09 → 2017-07-09 · 3 obs

● 2017-07-09 15:07:22
○ 2026-08-24 14:11:38
○ 2026-09-26 21:03:52

●MXmx.zoho.in2026-08-24 → 2026-09-26 · 3 obs

○ 2017-07-09 15:07:22
● 2026-08-24 14:11:38
● 2026-09-26 21:03:52

●MXmx2.zoho.in2026-08-24 → 2026-09-26 · 3 obs

○ 2017-07-09 15:07:22
● 2026-08-24 14:11:38
● 2026-09-26 21:03:52

●MXmx3.zoho.in2026-08-24 → 2026-09-26 · 3 obs

○ 2017-07-09 15:07:22
● 2026-08-24 14:11:38
● 2026-09-26 21:03:52

○MXthoughtstack.co2017-07-09 → 2017-07-09 · 3 obs

● 2017-07-09 15:07:22
○ 2026-08-24 14:11:38
○ 2026-09-26 21:03:52

○A109.73.224.662017-07-09 → 2017-07-09 · 3 obs

● 2017-07-09 15:07:22
○ 2026-08-24 14:11:38
○ 2026-09-26 21:03:52

○A13.227.173.1072026-08-28 → 2026-08-29 · 6 obs

○ 2026-08-28 02:31:36
● 2026-08-28 17:12:26
○ 2026-08-28 18:14:46
● 2026-08-29 21:21:52
○ 2026-08-29 22:03:40
○ 2026-09-26 21:03:52

○A13.227.173.212026-08-28 → 2026-08-29 · 6 obs

○ 2026-08-28 02:31:36
● 2026-08-28 17:12:26
○ 2026-08-28 18:14:46
● 2026-08-29 21:21:52
○ 2026-08-29 22:03:40
○ 2026-09-26 21:03:52

○A13.227.173.492026-08-28 → 2026-08-29 · 6 obs

○ 2026-08-28 02:31:36
● 2026-08-28 17:12:26
○ 2026-08-28 18:14:46
● 2026-08-29 21:21:52
○ 2026-08-29 22:03:40
○ 2026-09-26 21:03:52

○A13.227.173.512026-08-28 → 2026-08-29 · 6 obs

○ 2026-08-28 02:31:36
● 2026-08-28 17:12:26
○ 2026-08-28 18:14:46
● 2026-08-29 21:21:52
○ 2026-08-29 22:03:40
○ 2026-09-26 21:03:52

●A3.171.76.682026-08-25 → 2026-09-26 · 14 obs

○ 2026-08-24 14:11:38
● 2026-08-25 04:30:54
○ 2026-08-26 05:12:12
● 2026-08-26 13:21:32
○ 2026-08-26 23:13:04
● 2026-08-27 04:08:22
○ 2026-08-27 05:29:02
● 2026-08-27 20:52:08
○ 2026-08-28 02:31:36
● 2026-08-28 18:14:46
○ 2026-08-28 19:14:58
● 2026-08-29 22:03:40
○ 2026-08-30 00:13:20
● 2026-09-26 21:03:52

●A3.171.76.802026-08-25 → 2026-09-26 · 14 obs

●A3.171.76.822026-08-25 → 2026-09-26 · 14 obs

●A3.171.76.992026-08-25 → 2026-09-26 · 14 obs

○A3.174.141.102026-08-26 → 2026-09-19 · 15 obs

○ 2026-08-25 04:30:54
● 2026-08-26 05:12:12
○ 2026-08-26 13:21:32
● 2026-08-27 14:22:44
○ 2026-08-27 20:52:08
● 2026-08-28 02:31:36
○ 2026-08-28 17:12:26
● 2026-08-29 04:34:12
○ 2026-08-29 21:21:52
● 2026-08-30 00:13:20
○ 2026-08-31 17:28:50
● 2026-08-31 22:57:48
○ 2026-09-18 13:11:54
● 2026-09-19 20:58:20
○ 2026-09-26 21:03:52

○A3.174.141.1062026-08-26 → 2026-09-19 · 15 obs

○A3.174.141.1162026-08-26 → 2026-09-19 · 15 obs

○A3.174.141.882026-08-26 → 2026-09-19 · 15 obs

○A52.84.20.1282026-08-24 → 2026-09-18 · 14 obs

○ 2017-07-09 15:07:22
● 2026-08-24 14:11:38
○ 2026-08-25 04:30:54
● 2026-08-26 23:13:04
○ 2026-08-27 04:08:22
● 2026-08-27 05:29:02
○ 2026-08-27 14:22:44
● 2026-08-28 19:14:58
○ 2026-08-29 04:34:12
● 2026-08-31 17:28:50
○ 2026-08-31 22:57:48
● 2026-09-18 13:11:54
○ 2026-09-19 20:58:20
○ 2026-09-26 21:03:52

○A52.84.20.162026-08-24 → 2026-09-18 · 14 obs

○A52.84.20.562026-08-24 → 2026-09-18 · 14 obs

○A52.84.20.882026-08-24 → 2026-09-18 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, c.registrydns.co, a.registrydns.co, b.registrydns.co	-
thoughtstack.co	ns-377.awsdns-47.com, ns-1554.awsdns-02.co.uk, ns-855.awsdns-42.net, ns-1385.awsdns-45.org	-

✅ Authoritative Response

Server:205.251.195.87

NS records: ns-377.awsdns-47.com, ns-1554.awsdns-02.co.uk, ns-855.awsdns-42.net, ns-1385.awsdns-45.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thoughtstack.co (unsigned zone)

⏱️ Timing

Total: 604ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.76.80, 3.171.76.99...`
NS	4	`ns-1385.awsdns-45.org, ns-1554.awsdns-02.co.uk...`
MX	3	`mx.zoho.in (pri: 10), mx2.zoho.in (pri: 20)...`
TXT	3	`google-site-verification=il8FIhztKlZA1GX, v=spf1 include:zoho.in include:amazonses...`
SOA	1	`ns-377.awsdns-47.com awsdns-hostmaster.a`

Analysis

Hierarchy

www.thoughtstack.co is delegated beneath thoughtstack.co.

IP Addresses

thoughtstack.co points to the four IP addresses 3.171.76.68, 3.171.76.80, 3.171.76.82 and 3.171.76.99.

Additional host names — d1w98jr53ao16g.cloudfront.net, ebc.edu.au, hpsaude.com and two others — share IP numbers with thoughtstack.co.

Name Servers

thoughtstack.co has four authoritative name servers: ns-377.awsdns-47.com, ns-855.awsdns-42.net, ns-1385.awsdns-45.org and ns-1554.awsdns-02.co.uk.

There is at least partial name server overlap between thoughtstack.co and other domains — thesimpsonsapi.com, voicenotes.co.uk, andressacariocapremios.com and two more among them.

All four hostnames — ns-377.awsdns-47.com, ns-855.awsdns-42.net, ns-1385.awsdns-45.org and ns-1554.awsdns-02.co.uk — resolve to two IP numbers apiece: ns-377.awsdns-47.com to 205.251.193.121 and 2600:9000:5301:7900::1; ns-855.awsdns-42.net to 205.251.195.87 and 2600:9000:5303:5700::1; ns-1385.awsdns-45.org to 205.251.197.105 and 2600:9000:5305:6900::1; ns-1554.awsdns-02.co.uk to 205.251.198.18 and 2600:9000:5306:1200::1.

Mail Servers

Incoming mail for thoughtstack.co is delivered via three mail servers: mx2.zoho.in, mx3.zoho.in and mx.zoho.in.

thoughtstack.co shares mail servers — at least in part — with other domains, including bitwittechno.com, chandasresearch.com, planmyoffbeat.com and two others.

Host names with two IP numbers:

mx2.zoho.in directs traffic to 169.148.146.168 and 169.148.149.118.

mx.zoho.in directs traffic to 103.103.196.235 and 169.148.149.118.

Host names pointing to a single IP address:

mx3.zoho.in has the IP address 169.148.146.168.

Both mx2.zoho.in and mx3.zoho.in resolve to 169.148.146.168 IP addresses each.

Both mx2.zoho.in and mx.zoho.in resolve to 169.148.149.118 IP addresses each.

thoughtstack.co - robtex.com

thoughtstack.co

co

Previously MX for

Subdomains

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`thoughtstack.co`

`co`