doorbrowser.com - dns.ninja

`doorbrowser.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1a89^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a84a^{🇺🇸 Cloudflare2606:4700:3034::/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 hints	104.21.26.137, 172.67.168.74
		IPv6 hints	2606:4700:3034::6815:1a89, 2606:4700:3034::ac43:a84a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com
SOA	`buck.ns.cloudflare.com`dns@cloudflare.com serial=2408010075

`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=1785255332

Same first word

doorbrowser.com

DNS History

8 records (6 active, 2 former)

●NSbuck.ns.cloudflare.com2026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 00:52:32
● 2026-07-28 16:31:34

●NSolivia.ns.cloudflare.com2026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 00:52:32
● 2026-07-28 16:31:34

●A104.21.26.1372026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 00:52:32
● 2026-07-28 16:31:34

●A172.67.168.742026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 00:52:32
● 2026-07-28 16:31:34

○A2606:4700:3030::ac43:a84a2026-03-16 → 2026-03-16 · 2 obs

● 2026-03-16 00:52:32
○ 2026-07-28 16:31:34

○A2606:4700:3031::6815:1a892026-03-16 → 2026-03-16 · 2 obs

● 2026-03-16 00:52:32
○ 2026-07-28 16:31:34

●A2606:4700:3034::6815:1a892026-07-28 → 2026-07-28 · 2 obs

○ 2026-03-16 00:52:32
● 2026-07-28 16:31:34

●A2606:4700:3034::ac43:a84a2026-07-28 → 2026-07-28 · 2 obs

○ 2026-03-16 00:52:32
● 2026-07-28 16:31:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...	-
doorbrowser.com	buck.ns.cloudflare.com, olivia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.221

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: 167ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.137, 172.67.168.74`
AAAA	2	`2606:4700:3034::6815:1a89, 2606:4700:3034::ac43:a84a`
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

doorbrowser.com points to the four IP addresses 104.21.26.137, 172.67.168.74, 2606:4700:3034::6815:1a89 and 2606:4700:3034::ac43:a84a.

concentricsecurity.com, mail.peartreedigital.com, (0x787878)com.co plus two other host names have IP numbers in common with doorbrowser.com.

Name Servers

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

The name server configuration of doorbrowser.com is shared with other domains, for instance getpurple.io, p5vortex.ru, pioneer.glass and two others.

There is at least partial name server overlap between doorbrowser.com and other domains — tenpu.eu, ygnlizshv.cc, cc985.com and two more among them.

These name servers tend to appear in combination with the name servers peyton.ns.cloudflare.com, ajay.ns.cloudflare.com, dee.ns.cloudflare.com and anna.ns.cloudflare.com.

Hosts with 6 IP addresses each:

buck.ns.cloudflare.com resolves to 108.162.193.78, 172.64.33.78, 173.245.59.78 and 3 other IP addresses.

olivia.ns.cloudflare.com resolves to 108.162.194.221, 162.159.38.221, 172.64.34.221 and 3 other IP addresses.