`eng-usa-synaptigen.com`

DNSSEC	⚠️ Not signed
A	104.21.64.79^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.78^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`carrera.ns.cloudflare.com`
		A	2606:4700:50::a29f:26e7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carrera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carrera.ns.cloudflare.com`
		A	108.162.194.231^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	162.159.38.231^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	172.64.34.231^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.79, 172.67.179.78
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=211, name=cloudflare-ech.com
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2411727130

`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=1786465129

⚠️ On DNS blocklist: tif, tif.medium, tif.mini

Subdomains

rcslfw.eng-usa-synaptigen.com

Same first word

eng-usa-synaptigen.com

DNS History

4 records (4 active, 0 former)

●NSbob.ns.cloudflare.com2026-08-08 → 2026-08-11 · 2 obs

● 2026-08-08 18:48:04
● 2026-08-11 16:30:58

●NScarrera.ns.cloudflare.com2026-08-08 → 2026-08-11 · 2 obs

● 2026-08-08 18:48:04
● 2026-08-11 16:30:58

●A104.21.64.792026-08-08 → 2026-08-11 · 2 obs

● 2026-08-08 18:48:04
● 2026-08-11 16:30:58

●A172.67.179.782026-08-08 → 2026-08-11 · 2 obs

● 2026-08-08 18:48:04
● 2026-08-11 16:30:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
eng-usa-synaptigen.com	bob.ns.cloudflare.com, carrera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.104

NS records: bob.ns.cloudflare.com, carrera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for eng-usa-synaptigen.com (unsigned zone)

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.179.78, 104.21.64.79`
NS	2	`bob.ns.cloudflare.com, carrera.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

eng-usa-synaptigen.com is the parent zone for rcslfw.eng-usa-synaptigen.com.

IP Addresses

eng-usa-synaptigen.com directs to two IP numbers, 104.21.64.79 and 172.67.179.78

Additional host names — isanwebservers.com, www.vexasuo.com, dgdike.net and two others — share IP numbers with eng-usa-synaptigen.com.

Name Servers

eng-usa-synaptigen.com uses two name servers for its delegation: bob.ns.cloudflare.com and carrera.ns.cloudflare.com.

eng-usa-synaptigen.com shares its name server setup with other domains, including goden.store, eng-usa-sightfresh.com, bcgame-casino-indonesia.id and two others.

eng-usa-synaptigen.com partially shares its NS delegation with several other domains, including agenthuman.com, sparkle-laundry.com, freecapitalists.org and two others.

These name servers are regularly seen alongside aiden.ns.cloudflare.com and randall.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

Hostname bob.ns.cloudflare.com directs to 108.162.193.104, 172.64.33.104 and 173.245.59.104 along with 3 other IP addresses.

Hostname carrera.ns.cloudflare.com directs to 108.162.194.231, 162.159.38.231 and 172.64.34.231 along with 3 other IP addresses.

eng-usa-synaptigen.com - robtex.com