doorbrowser.com - robtex.com
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 | 104.21.26.137Cloudflare104.21.16.0/20 , 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 | 162.159.38.221Cloudflare162.159.32.0/20 , 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.comdns@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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
doorbrowser.com |
DNS History
6 records (6 active, 0 former)
●NSbuck.ns.cloudflare.com2026-03-16 → 2026-03-22 · 2 obs
● 2026-03-22 19:57:14
●NSolivia.ns.cloudflare.com2026-03-16 → 2026-03-22 · 2 obs
● 2026-03-22 19:57:14
●A104.21.26.1372026-03-16 → 2026-03-22 · 2 obs
● 2026-03-22 19:57:14
●A172.67.168.742026-03-16 → 2026-03-22 · 2 obs
● 2026-03-22 19:57:14
●A2606:4700:3030::ac43:a84a2026-03-16 → 2026-03-22 · 2 obs
● 2026-03-22 19:57:14
●A2606:4700:3031::6815:1a892026-03-16 → 2026-03-22 · 2 obs
● 2026-03-22 19:57:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, l.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: 244ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.26.137, 172.67.168.74 |
| AAAA | 2 | 2606:4700:3031::6815:1a89, 2606:4700:3030::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 four IP numbers: 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's delegation uses two name servers, buck.ns.cloudflare.com and olivia.ns.cloudflare.com.
doorbrowser.com shares the same name server setup as other domains, for example getpurple.io, pioneer.glass, sigershop.eu, seosold.com and trmanga.com.
doorbrowser.com at least partially shares name servers with other domains, including tenpu.eu, cc985.com, lineinchina-enterprise.tw, belmanflexibles.in and bsel.com.cn.
These name servers are commonly used with peyton.ns.cloudflare.com and ajay.ns.cloudflare.com.
Host names with six IP numbers:
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.
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.