`techbuffers.com`

DNSSEC	⚠️ Not signed
A	3.171.85.30^{🇺🇸 Amazon3.171.84.0/22}
		PTR	`server-3-171-85-30.iad89.r.cloudfront.net`
A	3.171.85.54^{🇺🇸 Amazon3.171.84.0/22}
A	3.171.85.84^{🇺🇸 Amazon3.171.84.0/22}
A	3.171.85.126^{🇺🇸 Amazon3.171.84.0/22}
NS	`ns-85.awsdns-10.com` ⭐
		A	2600:9000:5300:5500::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-85.awsdns-10.com`
		A	205.251.192.85^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-85.awsdns-10.com`
NS	`ns-1383.awsdns-44.org`
		A	2600:9000:5305:6700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1383.awsdns-44.org`
		A	205.251.197.103^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1383.awsdns-44.org`
NS	`ns-1972.awsdns-54.co.uk`
		A	2600:9000:5307:b400::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1972.awsdns-54.co.uk`
		A	205.251.199.180^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1972.awsdns-54.co.uk`
NS	`ns-549.awsdns-04.net`
		A	2600:9000:5302:2500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-549.awsdns-04.net`
		A	205.251.194.37^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-549.awsdns-04.net`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
SOA	`ns-85.awsdns-10.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

techbuffers.com

DNS History

28 records (9 active, 19 former)

○NSdns1.registrar-servers.com2018-06-26 → 2018-06-26 · 4 obs

● 2018-06-26 22:51:26
● 2018-06-26 22:51:58
○ 2026-03-14 09:59:52
○ 2026-03-15 06:44:22

○NSdns2.registrar-servers.com2018-06-26 → 2018-06-26 · 4 obs

● 2018-06-26 22:51:26
● 2018-06-26 22:51:58
○ 2026-03-14 09:59:52
○ 2026-03-15 06:44:22

●NSns-1383.awsdns-44.org2026-03-14 → 2026-03-15 · 3 obs

○ 2018-06-26 22:51:58
● 2026-03-14 09:59:52
● 2026-03-15 06:44:22

●NSns-1972.awsdns-54.co.uk2026-03-14 → 2026-03-15 · 3 obs

○ 2018-06-26 22:51:58
● 2026-03-14 09:59:52
● 2026-03-15 06:44:22

●NSns-549.awsdns-04.net2026-03-14 → 2026-03-15 · 3 obs

○ 2018-06-26 22:51:58
● 2026-03-14 09:59:52
● 2026-03-15 06:44:22

●NSns-85.awsdns-10.com2026-03-14 → 2026-03-15 · 3 obs

○ 2018-06-26 22:51:58
● 2026-03-14 09:59:52
● 2026-03-15 06:44:22

○MXeforward1.registrar-servers.com2018-06-26 → 2018-06-26 · 4 obs

● 2018-06-26 22:51:26
● 2018-06-26 22:51:58
○ 2026-03-14 09:59:52
○ 2026-03-15 06:44:22

○MXeforward2.registrar-servers.com2018-06-26 → 2018-06-26 · 4 obs

● 2018-06-26 22:51:26
● 2018-06-26 22:51:58
○ 2026-03-14 09:59:52
○ 2026-03-15 06:44:22

○MXeforward3.registrar-servers.com2018-06-26 → 2018-06-26 · 4 obs

● 2018-06-26 22:51:26
● 2018-06-26 22:51:58
○ 2026-03-14 09:59:52
○ 2026-03-15 06:44:22

○MXeforward4.registrar-servers.com2018-06-26 → 2018-06-26 · 4 obs

● 2018-06-26 22:51:26
● 2018-06-26 22:51:58
○ 2026-03-14 09:59:52
○ 2026-03-15 06:44:22

○MXeforward5.registrar-servers.com2018-06-26 → 2018-06-26 · 4 obs

● 2018-06-26 22:51:26
● 2018-06-26 22:51:58
○ 2026-03-14 09:59:52
○ 2026-03-15 06:44:22

●MXinbound-smtp.us-east-1.amazonaws.com2026-03-14 → 2026-03-15 · 3 obs

○ 2018-06-26 22:51:58
● 2026-03-14 09:59:52
● 2026-03-15 06:44:22

●A3.171.85.1262026-03-14 → 2026-03-15 · 7 obs

○ 2026-03-14 16:11:20
● 2026-03-14 19:16:56
○ 2026-03-14 19:59:36
● 2026-03-14 21:42:32
○ 2026-03-14 22:49:08
● 2026-03-15 06:44:18
● 2026-03-15 06:44:22

●A3.171.85.302026-03-14 → 2026-03-15 · 7 obs

○ 2026-03-14 16:11:20
● 2026-03-14 19:16:56
○ 2026-03-14 19:59:36
● 2026-03-14 21:42:32
○ 2026-03-14 22:49:08
● 2026-03-15 06:44:18
● 2026-03-15 06:44:22

●A3.171.85.542026-03-14 → 2026-03-15 · 7 obs

○ 2026-03-14 16:11:20
● 2026-03-14 19:16:56
○ 2026-03-14 19:59:36
● 2026-03-14 21:42:32
○ 2026-03-14 22:49:08
● 2026-03-15 06:44:18
● 2026-03-15 06:44:22

●A3.171.85.842026-03-14 → 2026-03-15 · 7 obs

○ 2026-03-14 16:11:20
● 2026-03-14 19:16:56
○ 2026-03-14 19:59:36
● 2026-03-14 21:42:32
○ 2026-03-14 22:49:08
● 2026-03-15 06:44:18
● 2026-03-15 06:44:22

○A3.174.141.1182026-03-14 → 2026-03-14 · 6 obs

○ 2026-03-14 19:16:56
● 2026-03-14 19:59:36
○ 2026-03-14 21:42:32
● 2026-03-14 22:49:08
○ 2026-03-15 06:44:18
○ 2026-03-15 06:44:22

○A3.174.141.252026-03-14 → 2026-03-14 · 6 obs

○ 2026-03-14 19:16:56
● 2026-03-14 19:59:36
○ 2026-03-14 21:42:32
● 2026-03-14 22:49:08
○ 2026-03-15 06:44:18
○ 2026-03-15 06:44:22

○A3.174.141.742026-03-14 → 2026-03-14 · 6 obs

○ 2026-03-14 19:16:56
● 2026-03-14 19:59:36
○ 2026-03-14 21:42:32
● 2026-03-14 22:49:08
○ 2026-03-15 06:44:18
○ 2026-03-15 06:44:22

○A3.174.141.992026-03-14 → 2026-03-14 · 6 obs

○ 2026-03-14 19:16:56
● 2026-03-14 19:59:36
○ 2026-03-14 21:42:32
● 2026-03-14 22:49:08
○ 2026-03-15 06:44:18
○ 2026-03-15 06:44:22

○A52.84.20.112026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 09:59:52
● 2026-03-14 15:30:30
○ 2026-03-14 16:11:20
○ 2026-03-15 06:44:22

○A52.84.20.172026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 09:59:52
● 2026-03-14 15:30:30
○ 2026-03-14 16:11:20
○ 2026-03-15 06:44:22

○A52.84.20.212026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 09:59:52
● 2026-03-14 15:30:30
○ 2026-03-14 16:11:20
○ 2026-03-15 06:44:22

○A52.84.20.232026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 09:59:52
● 2026-03-14 15:30:30
○ 2026-03-14 16:11:20
○ 2026-03-15 06:44:22

○A99.84.234.1052026-03-14 → 2026-03-14 · 5 obs

● 2026-03-14 09:59:52
○ 2026-03-14 15:30:30
● 2026-03-14 16:11:20
○ 2026-03-14 19:16:56
○ 2026-03-15 06:44:22

○A99.84.234.1132026-03-14 → 2026-03-14 · 5 obs

● 2026-03-14 09:59:52
○ 2026-03-14 15:30:30
● 2026-03-14 16:11:20
○ 2026-03-14 19:16:56
○ 2026-03-15 06:44:22

○A99.84.234.602026-03-14 → 2026-03-14 · 5 obs

● 2026-03-14 09:59:52
○ 2026-03-14 15:30:30
● 2026-03-14 16:11:20
○ 2026-03-14 19:16:56
○ 2026-03-15 06:44:22

○A99.84.234.812026-03-14 → 2026-03-14 · 5 obs

● 2026-03-14 09:59:52
○ 2026-03-14 15:30:30
● 2026-03-14 16:11:20
○ 2026-03-14 19:16:56
○ 2026-03-15 06:44:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
techbuffers.com	ns-85.awsdns-10.com, ns-549.awsdns-04.net, ns-1972.awsdns-54.co.uk, ns-1383.awsdns-44.org	1 record

✅ Authoritative Response

Server: 205.251.192.85

NS records: ns-85.awsdns-10.com, ns-549.awsdns-04.net, ns-1972.awsdns-54.co.uk, ns-1383.awsdns-44.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techbuffers.com (unsigned zone)

⏱️ Timing

Total: 661ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.85.54, 3.171.85.30...`
NS	4	`ns-1383.awsdns-44.org, ns-1972.awsdns-54.co.uk...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
SOA	1	`ns-85.awsdns-10.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-85.awsdns-10.com)

Analysis

IP Addresses

techbuffers.com points to four IP numbers: 3.171.85.30, 3.171.85.54, 3.171.85.84 and 3.171.85.126.

For instance, other host names d3hzhlk5812ibj.cloudfront.net, d16k3zpq4rluy4.cloudfront.net, auth.autoalert.jp, emails-100percentdesign-co-uk.msgfocus.com and emails-buildingtechlive-co-uk.msgfocus.com share IP numbers with techbuffers.com.

Name Servers

techbuffers.com is delegated to four name servers: ns-85.awsdns-10.com, ns-549.awsdns-04.net, ns-1383.awsdns-44.org and ns-1972.awsdns-54.co.uk.

techbuffers.com shares name servers with other domains at least partially, for example cloudforsharing.com, niuks-portal.co.uk, westoy.com.au, thequestioningway.com and pdfpro10.com.

These name servers are commonly used with ns-284.awsdns-35.com, ns-615.awsdns-12.net and ns-1118.awsdns-11.org.

Host names with two IP numbers:

ns-85.awsdns-10.com points to: 2600:9000:5300:5500::1 and 205.251.192.85

ns-549.awsdns-04.net points to: 2600:9000:5302:2500::1 and 205.251.194.37

ns-1383.awsdns-44.org points to: 2600:9000:5305:6700::1 and 205.251.197.103

ns-1972.awsdns-54.co.uk points to: 2600:9000:5307:b400::1 and 205.251.199.180

Mail Servers

techbuffers.com is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

techbuffers.com shares the same mail server setup as other domains, for instance brandbot.studio, pcwebmanager.com, ukcaaphackmarch.slack.com, salesforceohana.slack.com and fssa-cleaning.com.

techbuffers.com shares mail servers with other domains at least partially; for instance cityfone.atlassian.net, cheer2go.com, michaelpriest.atlassian.net, scrippsnetworks.atlassian.net and testeract.atlassian.net.

these mail servers are commonly used with the mail servers inbound-smtp.us-west-2.amazonaws.com.

inbound-smtp.us-east-1.amazonaws.com points to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.

techbuffers.com - robtex.com

techbuffers.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`techbuffers.com`

`com`