`fortressengineering.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:d04^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9a05^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.4^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.5^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jeremy.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jeremy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jeremy.ns.cloudflare.com`
		A	108.162.193.180^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	172.64.33.180^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	173.245.59.180^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
NS	`kara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kara.ns.cloudflare.com`
		A	108.162.192.123^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	172.64.32.123^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	173.245.58.123^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
MX	`fortressengineering-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::2^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.190.2^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	52.101.190.3^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
		A	52.101.192.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
TXT	`MS=ms86293937`
TXT	`v=spf1 a mx include:spf.protection.outlook.com include:maximizerspf.smtp.com ...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.13.4, 172.67.154.5
		IPv6	2606:4700:3033::6815:d04, 2606:4700:3037::ac43:9a05
SOA	`jeremy.ns.cloudflare.com`dns@cloudflare.com serial=2395818873

`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

DNS History

13 records (7 active, 6 former)

●NSjeremy.ns.cloudflare.com2026-03-18 → 2026-03-18 · 3 obs

○ 2017-05-22 07:38:34
● 2026-03-18 10:24:06
● 2026-03-18 10:24:08

●NSkara.ns.cloudflare.com2026-03-18 → 2026-03-18 · 3 obs

○ 2017-05-22 07:38:34
● 2026-03-18 10:24:06
● 2026-03-18 10:24:08

○NSns1.dreamhost.com2015-05-21 → 2017-05-22 · 4 obs

● 2015-05-21 03:14:56
● 2017-05-22 07:38:34
○ 2026-03-18 10:24:06
○ 2026-03-18 10:24:08

○NSns2.dreamhost.com2015-05-21 → 2017-05-22 · 4 obs

● 2015-05-21 03:14:56
● 2017-05-22 07:38:34
○ 2026-03-18 10:24:06
○ 2026-03-18 10:24:08

○NSns3.dreamhost.com2015-05-21 → 2017-05-22 · 4 obs

● 2015-05-21 03:14:56
● 2017-05-22 07:38:34
○ 2026-03-18 10:24:06
○ 2026-03-18 10:24:08

●MXfortressengineering-com.mail.protection.outlook.com2017-05-22 → 2026-03-18 · 3 obs

○ 2016-09-11 22:03:02
● 2017-05-22 07:38:34
● 2026-03-18 10:24:08

○MXmail.fortresseng.ca2015-05-21 → 2016-09-11 · 4 obs

● 2015-05-21 03:14:56
● 2016-09-11 22:03:02
○ 2017-05-22 07:38:34
○ 2026-03-18 10:24:08

●A104.21.13.42026-03-18 → 2026-03-18 · 3 obs

○ 2017-05-22 07:38:34
● 2026-03-18 10:24:06
● 2026-03-18 10:24:08

●A172.67.154.52026-03-18 → 2026-03-18 · 3 obs

○ 2017-05-22 07:38:34
● 2026-03-18 10:24:06
● 2026-03-18 10:24:08

○A173.236.182.1772015-05-21 → 2016-09-11 · 4 obs

● 2015-05-21 03:14:56
● 2016-09-11 22:03:02
○ 2017-05-22 07:38:34
○ 2026-03-18 10:24:08

●A2606:4700:3033::6815:d042026-03-18 → 2026-03-18 · 3 obs

○ 2017-05-22 07:38:34
● 2026-03-18 10:24:06
● 2026-03-18 10:24:08

●A2606:4700:3037::ac43:9a052026-03-18 → 2026-03-18 · 3 obs

○ 2017-05-22 07:38:34
● 2026-03-18 10:24:06
● 2026-03-18 10:24:08

○A66.33.222.1942017-05-22 → 2017-05-22 · 4 obs

○ 2016-09-11 22:03:02
● 2017-05-22 07:38:34
○ 2026-03-18 10:24:06
○ 2026-03-18 10:24:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
fortressengineering.com	kara.ns.cloudflare.com, jeremy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.123

NS records: kara.ns.cloudflare.com, jeremy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fortressengineering.com (unsigned zone)

⏱️ Timing

Total: 87ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.4, 172.67.154.5`
AAAA	2	`2606:4700:3037::ac43:9a05, 2606:4700:3033::6815:d04`
NS	2	`jeremy.ns.cloudflare.com, kara.ns.cloudflare.com`
MX	1	`fortressengineering-com.mail.protection.`
TXT	2	`MS=ms86293937, v=spf1 a mx include:spf.protection.outlo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jeremy.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kara.ns.cloudflare.com, kara.ns.cloudflare.com, kara.ns.cloudflare.com...)

Analysis

IP Addresses

fortressengineering.com maps to four IP numbers: 2606:4700:3033::6815:d04, 2606:4700:3037::ac43:9a05, 104.21.13.4 and 172.67.154.5.

Other host names, for instance qqzuan.88448.com, aldex.com.ar, www.actu-real.com, territoriobitcoin.com and www.cutchat.biz share IP numbers with fortressengineering.com.

Name Servers

Two name servers jeremy.ns.cloudflare.com and kara.ns.cloudflare.com are delegated to fortressengineering.com.

fortressengineering.com uses the same name server configuration as other domains, such as sitedeapostasonline.net, bedrog.com, legit.org, wett24.com and apostasesportivas24.com.

fortressengineering.com at least partially shares name servers with other domains such as 6766317.com, staging-livenpay.pages.dev, suzhou-yj.com, rituja.com and blockeddrains-romford.uk.

these name servers are commonly used with the name servers joyce.ns.cloudflare.com.

Host names with six IP numbers: Host name jeremy.ns.cloudflare.com points to 2606:4700:58::adf5:3bb4, 2803:f800:50::6ca2:c1b4, 2a06:98c1:50::ac40:21b4, 108.162.193.180, 172.64.33.180 and 173.245.59.180; host name kara.ns.cloudflare.com points to 2606:4700:50::adf5:3a7b, 2803:f800:50::6ca2:c07b, 2a06:98c1:50::ac40:207b, 108.162.192.123, 172.64.32.123 and 173.245.58.123.

Mail Servers

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

fortressengineering-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c942::1, 2a01:111:f403:c942::2, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 52.101.190.1, 52.101.190.2, 52.101.190.3 and 52.101.192.1.

fortressengineering.com - robtex.com