`firmsteptest.com`

DNSSEC	⚠️ Not signed
A	13.55.135.120^{🇦🇺 Amazon13.54.0.0/15 EC2 SYD prefix}
		PTR	`ec2-13-55-135-120.ap-southeast-2.compute.amazonaws.com`
NS	`ns-231.awsdns-28.com` ⭐
		A	2600:9000:5300:e700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-231.awsdns-28.com`
		A	205.251.192.231^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-231.awsdns-28.com`
NS	`ns-1309.awsdns-35.org`
		A	2600:9000:5305:1d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1309.awsdns-35.org`
		A	205.251.197.29^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1309.awsdns-35.org`
NS	`ns-2019.awsdns-60.co.uk`
		A	2600:9000:5307:e300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2019.awsdns-60.co.uk`
		A	205.251.199.227^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2019.awsdns-60.co.uk`
NS	`ns-612.awsdns-12.net`
		A	2600:9000:5302:6400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-612.awsdns-12.net`
		A	205.251.194.100^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-612.awsdns-12.net`
MX	`email-drop.internal.firmstep.com` ⭐
		A	3.249.152.61^{🇮🇪 Amazon3.248.0.0/13 EC2 DUB prefix}
			PTR	`ec2-3-249-152-61.eu-west-1.compute.amazonaws.com`
TXT	`v=spf1 a mx a:131.203.177.198 include:_spf.firmstep.com -all`
SOA	`ns-231.awsdns-28.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

Subdomains

stripe.firmsteptest.com

Same first word

firmsteptest.com

DNS History

11 records (6 active, 5 former)

●NSns-1309.awsdns-35.org2015-12-05 → 2026-03-20 · 3 obs

○ 2015-08-15 11:16:30
● 2015-12-05 03:14:02
● 2026-03-20 07:33:50

○NSns-1354.awsdns-41.org2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 11:16:30
○ 2015-12-05 03:14:02
○ 2026-03-20 07:33:50

○NSns-1649.awsdns-14.co.uk2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 11:16:30
○ 2015-12-05 03:14:02
○ 2026-03-20 07:33:50

●NSns-2019.awsdns-60.co.uk2015-12-05 → 2026-03-20 · 3 obs

○ 2015-08-15 11:16:30
● 2015-12-05 03:14:02
● 2026-03-20 07:33:50

●NSns-231.awsdns-28.com2015-12-05 → 2026-03-20 · 3 obs

○ 2015-08-15 11:16:30
● 2015-12-05 03:14:02
● 2026-03-20 07:33:50

○NSns-426.awsdns-53.com2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 11:16:30
○ 2015-12-05 03:14:02
○ 2026-03-20 07:33:50

●NSns-612.awsdns-12.net2015-12-05 → 2026-03-20 · 3 obs

○ 2015-08-15 11:16:30
● 2015-12-05 03:14:02
● 2026-03-20 07:33:50

○NSns-744.awsdns-29.net2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 11:16:30
○ 2015-12-05 03:14:02
○ 2026-03-20 07:33:50

●MXemail-drop.internal.firmstep.com2026-03-20 → 2026-03-20 · 2 obs

○ 2017-10-12 17:33:42
● 2026-03-20 07:33:50

○MXsmtp.firmstep.com2016-03-09 → 2017-10-12 · 3 obs

● 2016-03-09 01:52:44
● 2017-10-12 17:33:42
○ 2026-03-20 07:33:50

●A13.55.135.1202026-03-20 → 2026-03-20 · 1 obs

● 2026-03-20 07:33:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...	-
firmsteptest.com	ns-231.awsdns-28.com, ns-612.awsdns-12.net, ns-1309.awsdns-35.org, ns-2019.awsdns-60.co.uk	1 record

✅ Authoritative Response

Server: 205.251.192.231

NS records: ns-231.awsdns-28.com, ns-612.awsdns-12.net, ns-1309.awsdns-35.org, ns-2019.awsdns-60.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firmsteptest.com (unsigned zone)

⏱️ Timing

Total: 588ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.55.135.120`
NS	4	`ns-1309.awsdns-35.org, ns-2019.awsdns-60.co.uk...`
MX	1	`email-drop.internal.firmstep.com (pri: 1`
TXT	1	`v=spf1 a mx a:131.203.177.198 include:_s`
SOA	1	`ns-231.awsdns-28.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-231.awsdns-28.com)

Analysis

Hierarchy

firmsteptest.com is the parent of stripe.firmsteptest.com.

IP Addresses

firmsteptest.com resolves to a single IP address: 13.55.135.120.

Other host names, for instance ec2-13-55-135-120.ap-southeast-2.compute.amazonaws.com, share IP numbers with firmsteptest.com.

Name Servers

firmsteptest.com is delegated to four name servers: ns-231.awsdns-28.com, ns-612.awsdns-12.net, ns-1309.awsdns-35.org and ns-2019.awsdns-60.co.uk.

firmsteptest.com at least partially shares name servers with other domains, including sether.com, datasync.ap-southeast-2.amazonaws.com, intriot.com, nice.aws.a2z.com and d111f2v1k8v0eu.cloudfront.net.

Hosts with two IP numbers:

Host ns-231.awsdns-28.com points to 2600:9000:5300:e700::1 and 205.251.192.231

Host ns-612.awsdns-12.net points to 2600:9000:5302:6400::1 and 205.251.194.100

Host ns-1309.awsdns-35.org points to 2600:9000:5305:1d00::1 and 205.251.197.29

Host ns-2019.awsdns-60.co.uk points to 2600:9000:5307:e300::1 and 205.251.199.227

Mail Servers

firmsteptest.com is handled by a single mail server, email-drop.internal.firmstep.com.

firmsteptest.com uses the same mail server setup as other domains, for example new-smtp.firmstep.com and achieveforms.com.

firmsteptest.com shares some mail servers with other domains, at least partially, for instance devops.firmstep.com.

these mail servers are commonly used alongside the mail servers devops-firmstep-com.mail.protection.outlook.com.

email-drop.internal.firmstep.com points to a single IP: 3.249.152.61.

firmsteptest.com - robtex.com