`doorbrowser.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a84a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:1a89^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.137^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.74^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`buck.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`buck.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`buck.ns.cloudflare.com`
		A	108.162.193.78^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	172.64.33.78^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	173.245.59.78^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
NS	`olivia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26dd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olivia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olivia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olivia.ns.cloudflare.com`
		A	108.162.194.221^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olivia.ns.cloudflare.com`
		A	162.159.38.221^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olivia.ns.cloudflare.com`
		A	172.64.34.221^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olivia.ns.cloudflare.com`
TXT	`google-site-verification=ubzkr-7OQRMi_cMjhrsl2wkllZrxPn_Mtc69vjiyfe4`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.26.137, 172.67.168.74
		IPv6	2606:4700:3030::ac43:a84a, 2606:4700:3031::6815:1a89
SOA	`buck.ns.cloudflare.com`dns@cloudflare.com serial=2397798653

`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 Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
doorbrowser.com	buck.ns.cloudflare.com, olivia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.78

NS records: buck.ns.cloudflare.com, olivia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doorbrowser.com (unsigned zone)

⏱️ Timing

Total: 72ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.137, 172.67.168.74`
AAAA	2	`2606:4700:3030::ac43:a84a, 2606:4700:3031::6815:1a89`
NS	2	`buck.ns.cloudflare.com, olivia.ns.cloudflare.com`
TXT	1	`google-site-verification=ubzkr-7OQRMi_cM`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`buck.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by doorbrowser.com: 2606:4700:3030::ac43:a84a, 2606:4700:3031::6815:1a89, 104.21.26.137 and 172.67.168.74.

other host names including concentricsecurity.com, mail.peartreedigital.com, (0x787878)com.co, telefonbroj.com and medico.systems share IP numbers with doorbrowser.com.

Name Servers

doorbrowser.com is delegated to two name servers buck.ns.cloudflare.com and olivia.ns.cloudflare.com.

doorbrowser.com shares the same name server setup as other domains, for instance getpurple.io, pioneer.glass, sigershop.eu, seosold.com and trmanga.com.

doorbrowser.com at least partially shares name servers with other domains, for instance tenpu.eu, cc985.com, lineinchina-enterprise.tw, belmanflexibles.in and bsel.com.cn.

These name servers are commonly used alongside peyton.ns.cloudflare.com and ajay.ns.cloudflare.com.

Host names with six IP numbers:

Host name buck.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4e, 2803:f800:50::6ca2:c14e, 2a06:98c1:50::ac40:214e, 108.162.193.78, 172.64.33.78 and 173.245.59.78.

Host name olivia.ns.cloudflare.com points to: 2606:4700:50::a29f:26dd, 2803:f800:50::6ca2:c2dd, 2a06:98c1:50::ac40:22dd, 108.162.194.221, 162.159.38.221 and 172.64.34.221.

doorbrowser.com - robtex.com

doorbrowser.com

com