`appmail.formstack.com`

CNAME	`u2350393.wl144.sendgrid.net`
DNSSEC	⚠️ Not signed
MX	`mx.sendgrid.net` ⭐
		A	3.17.120.38^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-17-120-38.us-east-2.compute.amazonaws.com`
		A	3.136.245.72^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-136-245-72.us-east-2.compute.amazonaws.com`
		A	13.216.54.185^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-216-54-185.compute-1.amazonaws.com`
		A	15.222.160.229^{🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix}
			PTR	`ec2-15-222-160-229.ca-central-1.compute.amazonaws.com`
		A	16.52.61.209^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-61-209.ca-central-1.compute.amazonaws.com`
		A	16.52.110.174^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-110-174.ca-central-1.compute.amazonaws.com`
		A	18.224.101.244^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-224-101-244.us-east-2.compute.amazonaws.com`
		A	34.198.67.24^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-198-67-24.compute-1.amazonaws.com`
		A	44.216.124.122^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-216-124-122.compute-1.amazonaws.com`
		A	44.245.249.202^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-245-249-202.us-west-2.compute.amazonaws.com`
		A	52.25.213.239^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-25-213-239.us-west-2.compute.amazonaws.com`
		A	52.37.49.26^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-37-49-26.us-west-2.compute.amazonaws.com`
TXT	`v=spf1 include:sendgrid.net ~all`

`formstack.com`

	DNSSEC	⚠️ Not signed
	A	13.224.125.23^{🇺🇸 Amazon13.224.125.0/24 - Cloudfront}
	A	13.224.125.30^{🇺🇸 Amazon13.224.125.0/24 - Cloudfront}
	A	13.224.125.60^{🇺🇸 Amazon13.224.125.0/24 - Cloudfront}
	A	13.224.125.113^{🇺🇸 Amazon13.224.125.0/24 - Cloudfront}
	NS	`ns-1400.awsdns-47.org` ⭐
	NS	`ns-2016.awsdns-60.co.uk`
	NS	`ns-500.awsdns-62.com`
	NS	`ns-701.awsdns-23.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`1password-site-verification=Z54MSWZVQ5EB5NAJSFYC5M6SIY`
	TXT	`6e7fd67ff8b9417093d9b09203e54c3c`
	TXT	`MS=ms84707320`
	TXT	`apple-domain-verification=K1svURlDal7GS8B5`
	TXT	`atlassian-domain-verification=n0GMi9mPghqJxXH0DP1uBixgL8k65ilPnsdFq8KOOjrMRrX...`
	TXT	`d77477e15a0de9a8`
	TXT	`figma-domain-verification=1ba12c027b47bbebeb2de839f35815835d82c3ba764fd7124ba...`
	TXT	`google-site-verification=7V2XB9GMV_DKwAa04x7RgzMShnS0xMI1_mewd1sJEBo`
	TXT	`google-site-verification=VTlt1dsEuv_CYDkCOREHBFc44Egmk7DOc7A_2HX-CeY`
	TXT	`google-site-verification=i2AzVBulmKeO0SNWxeqm31eII1RjZgJBLynTJFT9hXA`
	TXT	`google-site-verification=lsWVzmtZwDD4ep3bEPWxIOLtaOScCMuBlASDsLbqRTI`
	TXT	`mandrill_verify.`
	TXT	`pardot_38532_*=f7f8524fdfb1512f69ece0a67773e3f43727a3041e46d888dafc5118dc24aeb9`
	TXT	`s426j8rnl6h1thibfh2kvh4o6b`
	TXT	`status-page-domain-verification=8ph6fmmtrpp8`
	TXT	`tk06oqhmkbh3c4lfb8ou9lhvqc`
	TXT	`twilio-domain-verification=22dd421abca87b3cbd09c177e15f9975`
	TXT	`v=spf1 include:_spf.formstack_com._d.easydmarc.pro -all`
	SOA	`ns-1400.awsdns-47.org`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (87/100)
rank #2120 globally
rank #1137 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (87/100)
📈 Tranco rank: #5,860

Subdomains

o6.appmail.formstack.com

o10.appmail.formstack.com

o4.appmail.formstack.com

Same first word

appmail.de

appmail.info

appmail.dk

appmail.cl

appmail.com

appmail.uk

appmail.vn

appmail.org

appmail.ru

appmail.net

appmail.eu

appmail.co

appmail.nl

appmail.me

appmail.cn

appmail.io

Similar names

mailapp.me

limaapp.com

ppamail.com

ipalmap.com

pampila.com

mailapp.eu

milaapp.net

mailapp.nl

mappila.com

lamiapp.com

impalpa.com

mailapp.ca

mailapp.jp

appimal.com

lapimpa.com

mailapp.com

mailapp.ru

mailapp.de

papmail.com

lippmaa.ee

liamapp.com

applima.com

mailapp.ro

mailapp.net

mailapp.co

aimlapp.com

mailapp.org

mailapp.mobi

appliam.com

mailapp.top

mailapp.it

mailppa.com

mailapp.xyz

DNS History

2 records (1 active, 1 former)

○MXmx.sendgrid.net2016-10-25 → 2020-04-15 · 3 obs

● 2016-10-25 20:04:02
● 2020-04-15 07:10:52
○ 2026-04-15 01:30:36

●CNAMEu2350393.wl144.sendgrid.net2026-04-15 → 2026-04-15 · 1 obs

● 2026-04-15 01:30:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
formstack.com	ns-701.awsdns-23.net, ns-500.awsdns-62.com, ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk	1 record
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-
formstack.com	ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net	-

✅ Authoritative Response

Server:205.251.194.189

NS records: ns-1400.awsdns-47.org, ns-2016.awsdns-60.co.uk, ns-500.awsdns-62.com, ns-701.awsdns-23.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for formstack.com (unsigned zone)

⏱️ Timing

Total: 638ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`u2350393.wl144.sendgrid.net`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-500.awsdns-62.com)

Analysis

Hierarchy

appmail.formstack.com is a parent of o6.appmail.formstack.com, o10.appmail.formstack.com and o4.appmail.formstack.com.

Mail Servers

The mail server for appmail.formstack.com is mx.sendgrid.net.

appmail.formstack.com uses the same mail server setup as other domains, for instance sungroup.talent.vn, recrubo.app, notifynewpackage.com, hosted-au-syd1.lb.xmatters.com and hardeezblackburn.com.

appmail.formstack.com shares at least some mail servers with other domains, for example service.net, gaia92.fr, stores.peruvianconnection.com, sophiaradiomics.com and ibilik.com.

The host name mx.sendgrid.net points to 12 IP numbers: 3.17.120.38, 3.136.245.72, 13.216.54.185, 15.222.160.229, 16.52.61.209, 16.52.110.174, 18.224.101.244, 34.198.67.24, 44.216.124.122, 44.245.249.202, 52.25.213.239 and 52.37.49.26.

appmail.formstack.com - robtex.com