`fortressmobile.com`

DNSSEC	⚠️ Not signed
A	34.237.47.210^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
		PTR	`ec2-34-237-47-210.compute-1.amazonaws.com`
NS	`ns-cloud-b1.googledomains.com` ⭐
		A	2001:4860:4802:32::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b1.googledomains.com`
		A	216.239.32.107^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-b1.googledomains.com`
NS	`ns-cloud-b2.googledomains.com`
		A	2001:4860:4802:34::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b2.googledomains.com`
		A	216.239.34.107^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-b2.googledomains.com`
NS	`ns-cloud-b3.googledomains.com`
		A	2001:4860:4802:36::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b3.googledomains.com`
		A	216.239.36.107^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-b3.googledomains.com`
NS	`ns-cloud-b4.googledomains.com`
		A	2001:4860:4802:38::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b4.googledomains.com`
		A	216.239.38.107^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-b4.googledomains.com`
MX	`fortressmobile-com.mail.protection.outlook.com` ⭐
TXT	`v=spf1 include:spf.protection.outlook.com include:zcsend.net -all`
TXT	`google-site-verification=uSHZjTQ_OKFUKba-wF(0x664170)7JTCPlT4j574-LoCOIuVHE`
TXT	`MS=ms45182315`
TXT	`fortressmobile.azurewebsites.net`
SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=4

`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=1775937127

Subdomains

courier.fortressmobile.com

Same first word

fortressmobile.com

DNS History

18 records (6 active, 12 former)

●NSns-cloud-b1.googledomains.com2026-03-08 → 2026-04-11 · 3 obs

○ 2017-11-23 08:52:28
● 2026-03-08 07:17:52
● 2026-04-11 20:00:44

●NSns-cloud-b2.googledomains.com2026-03-08 → 2026-04-11 · 3 obs

○ 2017-11-23 08:52:28
● 2026-03-08 07:17:52
● 2026-04-11 20:00:44

●NSns-cloud-b3.googledomains.com2026-03-08 → 2026-04-11 · 3 obs

○ 2017-11-23 08:52:28
● 2026-03-08 07:17:52
● 2026-04-11 20:00:44

●NSns-cloud-b4.googledomains.com2026-03-08 → 2026-04-11 · 3 obs

○ 2017-11-23 08:52:28
● 2026-03-08 07:17:52
● 2026-04-11 20:00:44

○NSns1.rochendns.com2016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-14 08:41:06
● 2016-11-29 17:06:20
○ 2017-11-23 08:52:28
○ 2026-04-11 20:00:44

○NSns11.worldnic.com2015-07-15 → 2017-11-23 · 6 obs

● 2015-07-15 07:20:02
● 2016-04-14 08:41:06
○ 2016-11-29 17:06:20
● 2017-11-23 08:52:28
○ 2026-03-08 07:17:52
○ 2026-04-11 20:00:44

○NSns12.worldnic.com2015-07-15 → 2017-11-23 · 6 obs

● 2015-07-15 07:20:02
● 2016-04-14 08:41:06
○ 2016-11-29 17:06:20
● 2017-11-23 08:52:28
○ 2026-03-08 07:17:52
○ 2026-04-11 20:00:44

○NSns2.rochendns.com2016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-14 08:41:06
● 2016-11-29 17:06:20
○ 2017-11-23 08:52:28
○ 2026-04-11 20:00:44

●MXfortressmobile-com.mail.protection.outlook.com2026-03-08 → 2026-04-11 · 3 obs

○ 2017-11-23 08:52:28
● 2026-03-08 07:17:52
● 2026-04-11 20:00:44

○MXkelowna.directrouter.com2016-04-14 → 2016-04-14 · 4 obs

○ 2015-12-11 13:15:18
● 2016-04-14 08:41:06
○ 2016-11-29 17:06:20
○ 2026-04-11 20:00:44

○MXmx-dfw.smtp.directrouter.com2016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-14 08:41:06
● 2016-11-29 17:06:20
○ 2017-11-23 08:52:28
○ 2026-04-11 20:00:44

○MXmx-lon.smtp.directrouter.com2016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-14 08:41:06
● 2016-11-29 17:06:20
○ 2017-11-23 08:52:28
○ 2026-04-11 20:00:44

○MXmx1.netsolmail.net2017-11-23 → 2017-11-23 · 4 obs

○ 2016-11-29 17:06:20
● 2017-11-23 08:52:28
○ 2026-03-08 07:17:52
○ 2026-04-11 20:00:44

○MXp.webcom.ctmail.com2015-12-11 → 2015-12-11 · 3 obs

● 2015-12-11 13:15:18
○ 2016-04-14 08:41:06
○ 2026-04-11 20:00:44

○A206.123.105.1672015-07-15 → 2016-04-14 · 4 obs

● 2015-07-15 07:20:02
● 2016-04-14 08:41:06
○ 2016-11-29 17:06:20
○ 2026-04-11 20:00:44

○A206.188.192.692017-11-23 → 2017-11-23 · 4 obs

○ 2016-11-29 17:06:20
● 2017-11-23 08:52:28
○ 2026-03-08 07:17:52
○ 2026-04-11 20:00:44

●A34.237.47.2102026-03-08 → 2026-04-11 · 3 obs

○ 2017-11-23 08:52:28
● 2026-03-08 07:17:52
● 2026-04-11 20:00:44

○A65.99.240.1182016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-14 08:41:06
● 2016-11-29 17:06:20
○ 2017-11-23 08:52:28
○ 2026-04-11 20:00:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fortressmobile.com	ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 335ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.237.47.210`
NS	4	`ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com...`
MX	1	`fortressmobile-com.mail.protection.outlo`
TXT	4	`v=spf1 include:spf.protection.outlook.co, google-site-verification=uSHZjTQ_OKFUKba...`
SOA	1	`ns-cloud-b1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)

Analysis

Hierarchy

fortressmobile.com is the parent of courier.fortressmobile.com.

IP Addresses

fortressmobile.com resolves to a single IP address: 34.237.47.210.

Other host names including medianow.dk, tankservices.com, transitauto.com, rbmautomotive.com and holyredeemer.us share IP numbers with fortressmobile.com.

Name Servers

fortressmobile.com is delegated to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

fortressmobile.com at least partially shares name servers with other domains, including pakarting.com, ryillustration.com, lauragranado.com, usveteransservices.com and festgallery.com.

Hosts with two IP numbers:

Host ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107

Host ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107

Host ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107

Host ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107

Mail Servers

fortressmobile.com is handled by a single mail server, fortressmobile-com.mail.protection.outlook.com.

fortressmobile.com - robtex.com