`arch.app`

DNSSEC	⚠️ Not signed
A	216.137.39.46^{🇺🇸 Amazon216.137.39.0/24}
		PTR	`server-216-137-39-46.lax50.r.cloudfront.net`
A	216.137.39.54^{🇺🇸 Amazon216.137.39.0/24}
A	216.137.39.87^{🇺🇸 Amazon216.137.39.0/24}
A	216.137.39.116^{🇺🇸 Amazon216.137.39.0/24}
NS	`ns-431.awsdns-53.com` ⭐
		A	2600:9000:5301:af00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-431.awsdns-53.com`
		A	205.251.193.175^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-431.awsdns-53.com`
NS	`ns-1038.awsdns-01.org`
		A	2600:9000:5304:e00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1038.awsdns-01.org`
		A	205.251.196.14^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1038.awsdns-01.org`
NS	`ns-1638.awsdns-12.co.uk`
		A	2600:9000:5306:6600::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1638.awsdns-12.co.uk`
		A	205.251.198.102^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1638.awsdns-12.co.uk`
NS	`ns-724.awsdns-26.net`
		A	2600:9000:5302:d400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-724.awsdns-26.net`
		A	205.251.194.212^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-724.awsdns-26.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`
TXT	`v=spf1 include:amazonses.com ~all`
SOA	`ns-431.awsdns-53.com`awsdns-hostmaster@amazon.com serial=1

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

arch.edu.pl

arch.me

arch.gr

arch.net.tw

arch.ws

arch.ch

arch.lv

arch.mc

arch.cc

arch.management

arch.la

arch.org.au

arch.am

arch.it

arch.im

arch.com

arch.software

arch.systems

arch.network

arch.bm

arch.art

arch.ly

arch.today

arch.fund

arch.house

arch.io

arch.cz

arch.org

arch.cat

arch.ai

arch.life

arch.tech

arch.cafe

arch.photos

arch.my

arch.bg

arch.tc

arch.se

arch.technology

arch.app

arch.company

arch.kz

arch.org.tw

arch.ge

arch.pl

arch.wien

arch.photography

arch.k12.ar.us

arch.in.ua

arch.jp

arch.wiki

arch.fr

arch.md

arch.com.qa

arch.credit

arch.katowice.pl

arch.contractors

arch.xen.prgmr.com

arch.earth

arch.biz

arch.hu

arch.com.sg

arch.co.jp

arch.com.ua

arch.gr.jp

arch.partners

arch.guru

arch.gov.ua

arch.education

arch.be

arch.torun.pl

arch.expert

arch.co.nz

arch.digital

arch.bz.it

arch.su

arch.finance

arch.army

arch.by

arch.nu

arch.co

arch.nl

arch.za.net

arch.ro

arch.university

arch.sc

arch.dk

arch.sg

arch.sk

arch.law

arch.at

arch.land

arch.zone

arch.to

arch.city

arch.ie

arch.ltd

arch.mimoza.jp

arch.kr

arch.de

arch.si

arch.ph

arch.eu

Similar names

hrca.com

cahr.eu

chra.com.cn

hcar.it

crha.cn

char.at

cahr.com

crha.org.uk

hrac.us

hcra.info

rahc.com.au

ahrc.org

ahrc.asia

char.dog

hrac.sk

char.com.cn

ahrc.gov.in

arhc.org.uk

achr.net

char.ie

char.be

carh.ca

hcar.info

rhac.com

hrca.us

ahrc.ac.uk

crha.ca

rahc.kr

cahr.org

char.ac

hcra.ca

rach.net

harc.org

carh.org

ahcr.cz

crha.de

harc.com.br

char.org

hacr.net

char.no

rach.email

rcha.org.uk

ahrc.co.uk

hacr.com

chra.tv

achr.pl

rhca.net

harc.edu

carh.info

chra.de

harc.cc

rahc.net

hrca.net

harc.com.cn

rach.tv

achr.com.au

ahcr.eu

hcra.com

achr.ro

chra.ru

rach.com.au

rcha.net

rach.cn

rcha.com

ahcr.com

chra.at

hrca.com.au

ahcr.net

DNS History

21 records (9 active, 12 former)

●NSns-1038.awsdns-01.org2026-02-15 → 2026-03-13 · 2 obs

● 2026-02-15 14:44:34
● 2026-03-13 14:17:02

●NSns-1638.awsdns-12.co.uk2026-02-15 → 2026-03-13 · 2 obs

● 2026-02-15 14:44:34
● 2026-03-13 14:17:02

●NSns-431.awsdns-53.com2026-02-15 → 2026-03-13 · 2 obs

● 2026-02-15 14:44:34
● 2026-03-13 14:17:02

●NSns-724.awsdns-26.net2026-02-15 → 2026-03-13 · 2 obs

● 2026-02-15 14:44:34
● 2026-03-13 14:17:02

●MXinbound-smtp.us-east-1.amazonaws.com2026-02-15 → 2026-03-13 · 2 obs

● 2026-02-15 14:44:34
● 2026-03-13 14:17:02

○A13.249.91.1252026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-07 10:04:28
● 2026-03-07 19:07:52
○ 2026-03-07 23:35:08
○ 2026-03-13 14:17:02

○A13.249.91.532026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-07 10:04:28
● 2026-03-07 19:07:52
○ 2026-03-07 23:35:08
○ 2026-03-13 14:17:02

○A13.249.91.672026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-07 10:04:28
● 2026-03-07 19:07:52
○ 2026-03-07 23:35:08
○ 2026-03-13 14:17:02

○A13.249.91.692026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-07 10:04:28
● 2026-03-07 19:07:52
○ 2026-03-07 23:35:08
○ 2026-03-13 14:17:02

○A18.244.140.1112026-02-15 → 2026-03-13 · 29 obs

● 2026-02-15 14:44:34
● 2026-02-15 16:23:42
○ 2026-02-22 15:56:04
○ 2026-02-24 16:21:00
● 2026-02-24 18:17:36
○ 2026-02-25 05:19:46
○ 2026-02-25 06:40:20
● 2026-02-25 15:31:12
○ 2026-02-26 01:18:02
○ 2026-02-27 22:26:24
● 2026-03-02 14:22:26
○ 2026-03-02 21:33:42
○ 2026-03-04 13:53:20
● 2026-03-05 08:21:24
○ 2026-03-05 16:04:56
● 2026-03-05 21:16:42
○ 2026-03-05 23:50:20
○ 2026-03-07 23:35:08
● 2026-03-08 01:52:44
● 2026-03-09 20:48:08
○ 2026-03-10 01:40:24
● 2026-03-10 04:39:24
○ 2026-03-10 06:35:30
● 2026-03-10 08:38:54
○ 2026-03-10 22:53:36
● 2026-03-11 08:30:42
● 2026-03-13 12:10:58
○ 2026-03-13 13:50:50
○ 2026-03-13 14:17:02

○A18.244.140.242026-02-15 → 2026-03-13 · 29 obs

○A18.244.140.32026-02-15 → 2026-03-13 · 29 obs

○A18.244.140.752026-02-15 → 2026-03-13 · 29 obs

○A18.67.76.1172026-02-22 → 2026-03-07 · 22 obs

○ 2026-02-15 16:23:42
● 2026-02-22 15:56:04
○ 2026-02-23 19:50:08
● 2026-02-23 22:32:54
● 2026-02-24 12:11:30
○ 2026-02-24 16:21:00
○ 2026-02-26 18:20:46
● 2026-02-27 03:01:10
● 2026-02-27 22:26:24
○ 2026-03-02 14:22:26
○ 2026-03-02 21:33:42
● 2026-03-03 00:17:52
○ 2026-03-03 09:39:12
○ 2026-03-03 14:30:04
● 2026-03-04 09:04:56
● 2026-03-04 13:53:20
○ 2026-03-05 08:21:24
○ 2026-03-05 23:50:20
● 2026-03-07 01:39:12
● 2026-03-07 03:28:52
○ 2026-03-07 10:04:28
○ 2026-03-13 14:17:02

○A18.67.76.522026-02-22 → 2026-03-07 · 22 obs

○A18.67.76.692026-02-22 → 2026-03-07 · 22 obs

○A18.67.76.92026-02-22 → 2026-03-07 · 22 obs

●A216.137.39.1162026-02-23 → 2026-03-13 · 38 obs

○ 2026-02-22 15:56:04
● 2026-02-23 19:50:08
○ 2026-02-23 22:32:54
○ 2026-02-24 12:11:30
● 2026-02-24 16:21:00
○ 2026-02-24 18:17:36
● 2026-02-25 05:19:46
● 2026-02-25 06:40:20
○ 2026-02-25 15:31:12
● 2026-02-26 01:18:02
● 2026-02-26 18:20:46
○ 2026-02-27 03:01:10
○ 2026-03-02 14:22:26
● 2026-03-02 21:33:42
○ 2026-03-03 00:17:52
● 2026-03-03 09:39:12
● 2026-03-03 14:30:04
○ 2026-03-04 09:04:56
○ 2026-03-05 08:21:24
● 2026-03-05 16:04:56
○ 2026-03-05 21:16:42
● 2026-03-05 23:50:20
○ 2026-03-07 01:39:12
○ 2026-03-07 03:28:52
● 2026-03-07 10:04:28
○ 2026-03-07 19:07:52
● 2026-03-07 23:35:08
○ 2026-03-08 01:52:44
○ 2026-03-09 20:48:08
● 2026-03-10 01:40:24
○ 2026-03-10 04:39:24
● 2026-03-10 06:35:30
○ 2026-03-10 08:38:54
● 2026-03-10 22:53:36
○ 2026-03-11 08:30:42
○ 2026-03-13 12:10:58
● 2026-03-13 13:50:50
● 2026-03-13 14:17:02

●A216.137.39.462026-02-23 → 2026-03-13 · 38 obs

●A216.137.39.542026-02-23 → 2026-03-13 · 38 obs

●A216.137.39.872026-02-23 → 2026-03-13 · 38 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
arch.app	ns-1638.awsdns-12.co.uk, ns-724.awsdns-26.net, ns-1038.awsdns-01.org, ns-431.awsdns-53.com	-

✅ Authoritative Response

Server: 205.251.194.212

NS records: ns-1638.awsdns-12.co.uk, ns-724.awsdns-26.net, ns-1038.awsdns-01.org, ns-431.awsdns-53.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arch.app (unsigned zone)

⏱️ Timing

Total: 797ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.67.76.52, 18.67.76.69...`
NS	4	`ns-1038.awsdns-01.org, ns-1638.awsdns-12.co.uk...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	1	`v=spf1 include:amazonses.com ~all`
SOA	1	`ns-431.awsdns-53.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

arch.app maps to four IP numbers: 216.137.39.46, 216.137.39.54, 216.137.39.87 and 216.137.39.116.

Other host names, for instance d23gqtk2s5ovn9.cloudfront.net, dumplinghousearcadia.com, d2o9nz1rg1gcjp.cloudfront.net, govpro.ai and 6int.net share IP numbers with arch.app.

Name Servers

arch.app is delegated to four name servers: ns-431.awsdns-53.com, ns-724.awsdns-26.net, ns-1038.awsdns-01.org and ns-1638.awsdns-12.co.uk.

arch.app at least partially shares name servers with other domains such as 5valleys.com, d3oe21je9epnt9.cloudfront.net, ubmtechinsights.com, cityofrockhill.com and jadi.cz.

Host names with two IP numbers:

ns-431.awsdns-53.com points to 2600:9000:5301:af00::1 and 205.251.193.175

ns-724.awsdns-26.net points to 2600:9000:5302:d400::1 and 205.251.194.212

ns-1038.awsdns-01.org points to 2600:9000:5304:e00::1 and 205.251.196.14

ns-1638.awsdns-12.co.uk points to 2600:9000:5306:6600::1 and 205.251.198.102

Mail Servers

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

arch.app shares the same mail server setup as other domains, including webdecisions.slack.com, btl-energy-pilot.slack.com, reprodaction.com, extope.com and newblick.slack.com.

arch.app shares mail servers with other domains at least in part, for instance envysion.atlassian.net, cliksys.com.br, glacialadventures.net, roa.ai and improcom.net.

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

The host name 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.

arch.app - robtex.com

arch.app

app

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`arch.app`

`app`