flstructuralengineering.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`flstructuralengineering.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1c44^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:9099^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.68^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.153^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`randall.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ceb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`randall.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`randall.ns.cloudflare.com`
		A	108.162.195.235^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	162.159.44.235^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
		A	172.64.35.235^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randall.ns.cloudflare.com`
NS	`virginia.ns.cloudflare.com`
		A	2606:4700:50::a29f:2625^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`virginia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c225^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`virginia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2225^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`virginia.ns.cloudflare.com`
		A	108.162.194.37^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`virginia.ns.cloudflare.com`
		A	162.159.38.37^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`virginia.ns.cloudflare.com`
		A	172.64.34.37^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`virginia.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹⁵⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽¹⁰⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.68, 172.67.144.153
		IPv6 hints	2606:4700:3030::6815:1c44, 2606:4700:3030::ac43:9099
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=12, name=cloudflare-ech.com
SOA	`randall.ns.cloudflare.com`dns@cloudflare.com serial=2411477965

`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=1790191004

Same first word

flstructuralengineering.com

Previous names

Next names

DNS History

14 records (9 active, 5 former)

○NSns41.domaincontrol.com2015-06-19 → 2015-11-06 · 4 obs

● 2015-06-19 19:36:14
● 2015-11-06 16:34:44
○ 2016-01-26 18:17:32
○ 2026-09-23 19:26:22

○NSns42.domaincontrol.com2015-06-19 → 2015-11-06 · 4 obs

● 2015-06-19 19:36:14
● 2015-11-06 16:34:44
○ 2016-01-26 18:17:32
○ 2026-09-23 19:26:22

●NSrandall.ns.cloudflare.com2026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

●NSvirginia.ns.cloudflare.com2026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

○MXmailstore1.secureserver.net2015-06-19 → 2015-11-06 · 4 obs

● 2015-06-19 19:36:14
● 2015-11-06 16:34:44
○ 2016-01-26 18:17:32
○ 2026-09-23 19:26:22

●MXroute1.mx.cloudflare.net2026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

●MXroute2.mx.cloudflare.net2026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

●MXroute3.mx.cloudflare.net2026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

○MXsmtp.secureserver.net2015-06-19 → 2015-11-06 · 4 obs

● 2015-06-19 19:36:14
● 2015-11-06 16:34:44
○ 2016-01-26 18:17:32
○ 2026-09-23 19:26:22

●A104.21.28.682026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

●A172.67.144.1532026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

●A2606:4700:3030::6815:1c442026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

●A2606:4700:3030::ac43:90992026-09-04 → 2026-09-23 · 3 obs

○ 2016-01-26 18:17:32
● 2026-09-04 08:16:50
● 2026-09-23 19:26:22

○A50.63.202.342015-06-19 → 2015-11-06 · 4 obs

● 2015-06-19 19:36:14
● 2015-11-06 16:34:44
○ 2016-01-26 18:17:32
○ 2026-09-23 19:26:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
flstructuralengineering.com	virginia.ns.cloudflare.com, randall.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.235

NS records: virginia.ns.cloudflare.com, randall.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flstructuralengineering.com (unsigned zone)

⏱️ Timing

Total: 674ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.28.68, 172.67.144.153`
AAAA	2	`2606:4700:3030::6815:1c44, 2606:4700:3030::ac43:9099`
NS	2	`randall.ns.cloudflare.com, virginia.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 100), route2.mx.cloudflare.net (pri: 28)...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`randall.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

flstructuralengineering.com points to the four IP addresses 104.21.28.68, 172.67.144.153, 2606:4700:3030::6815:1c44 and 2606:4700:3030::ac43:9099.

attractivetube.com, avzxmf100.sbs, blazeit.club plus two other host names have IP numbers in common with flstructuralengineering.com.

Name Servers

flstructuralengineering.com is delegated to two name servers: randall.ns.cloudflare.com and virginia.ns.cloudflare.com.

The name server configuration of flstructuralengineering.com is shared with other domains, for instance ancoda-a28.workers.dev, ocakmedya.de, autoquotematcher.com and two others.

The name servers of flstructuralengineering.com overlap at least partially with those of other domains — among them navshadpada21.workers.dev, killtonylist.com, jhaddadlaw.com and two more.

The name servers elliot.ns.cloudflare.com, clay.ns.cloudflare.com and nucum.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

randall.ns.cloudflare.com resolves to 108.162.195.235, 162.159.44.235, 172.64.35.235 and 3 other IP addresses.

virginia.ns.cloudflare.com resolves to 108.162.194.37, 162.159.38.37, 172.64.34.37 and 3 other IP addresses.

Mail Servers

Mail for flstructuralengineering.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by flstructuralengineering.com are shared with other domains: bubbyfinance.com, aubrieannphoto.com, aperolspritzafternoonfestival.gr and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.