openbrief.us - robtex.com

openbrief.us

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:30c9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:bbec🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.201Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.236🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSclark.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b57🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclark.ns.cloudflare.com
A2803:f800:50::6ca2:c157🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRclark.ns.cloudflare.com
A2a06:98c1:50::ac40:2157🇺🇸 Cloudflare2a06:98c1:50::/45
PTRclark.ns.cloudflare.com
A108.162.193.87🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclark.ns.cloudflare.com
A172.64.33.87🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclark.ns.cloudflare.com
A173.245.59.87🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclark.ns.cloudflare.com
NSkeyla.ns.cloudflare.com
A2606:4700:50::a29f:26aa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeyla.ns.cloudflare.com
A2803:f800:50::6ca2:c2aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkeyla.ns.cloudflare.com
A2a06:98c1:50::ac40:22aa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkeyla.ns.cloudflare.com
A108.162.194.170🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeyla.ns.cloudflare.com
A162.159.38.170Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeyla.ns.cloudflare.com
A172.64.34.170🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeyla.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.201, 172.67.187.236
IPv6 hints2606:4700:3035::6815:30c9, 2606:4700:3036::ac43:bbec
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=84, name=cloudflare-ech.com
SOAclark.ns.cloudflare.comdns@cloudflare.com serial=2410405487

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1786268824
rank #339147 globally
rank #4081 in the tld

Same first word

openbrief.us
openbrief.com
openbrief.org
openbrief.co

Similar names

openfiber.cl
openfiber.com.ve
openfiber.nl
openfiber.ec
fiberopen.com
openfiber.at
openfibre.se
openfibre.org
openfiber.eu
openfiber.net
openfiber.sv
openfiber.be
openfiber.it
fineprobe.de
openfiber.de
openfiber.gt
openfiber.com.py
openfibre.com
openfiber.pe
openfibre.at

DNS History

14 records (6 active, 8 former)

NSclark.ns.cloudflare.comkeyla.ns.cloudflare.comadrian.ns.cloudflare.comthomas.ns.cloudflare.comA104.21.48.201172.67.187.2362606:4700:3035::6815:30c92606:4700:3036::ac43:bbec188.114.96.0188.114.97.02606:4700:3034::6815:30c92606:4700:3035::ac43:bbec2a06:98c1:3120::2a06:98c1:3121::
○NSadrian.ns.cloudflare.com2026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 00:58:34
○ 2026-04-25 01:16:20
○ 2026-08-09 10:04:56
●NSclark.ns.cloudflare.com2026-04-25 → 2026-08-09 · 3 obs
○ 2026-03-04 00:58:34
● 2026-04-25 01:16:20
● 2026-08-09 10:04:56
●NSkeyla.ns.cloudflare.com2026-04-25 → 2026-08-09 · 3 obs
○ 2026-03-04 00:58:34
● 2026-04-25 01:16:20
● 2026-08-09 10:04:56
○NSthomas.ns.cloudflare.com2026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 00:58:34
○ 2026-04-25 01:16:20
○ 2026-08-09 10:04:56
●A104.21.48.2012026-04-25 → 2026-08-09 · 7 obs
○ 2026-03-04 00:58:34
● 2026-04-25 01:16:20
● 2026-06-09 06:27:10
○ 2026-06-10 22:17:52
● 2026-06-19 15:29:16
○ 2026-06-20 17:44:46
● 2026-08-09 10:04:56
●A172.67.187.2362026-04-25 → 2026-08-09 · 7 obs
○ 2026-03-04 00:58:34
● 2026-04-25 01:16:20
● 2026-06-09 06:27:10
○ 2026-06-10 22:17:52
● 2026-06-19 15:29:16
○ 2026-06-20 17:44:46
● 2026-08-09 10:04:56
○A188.114.96.02026-03-04 → 2026-06-20 · 7 obs
● 2026-03-04 00:58:34
○ 2026-04-25 01:16:20
○ 2026-06-09 06:27:10
● 2026-06-10 22:17:52
○ 2026-06-19 15:29:16
● 2026-06-20 17:44:46
○ 2026-08-09 10:04:56
○A188.114.97.02026-03-04 → 2026-06-20 · 7 obs
● 2026-03-04 00:58:34
○ 2026-04-25 01:16:20
○ 2026-06-09 06:27:10
● 2026-06-10 22:17:52
○ 2026-06-19 15:29:16
● 2026-06-20 17:44:46
○ 2026-08-09 10:04:56
○A2606:4700:3034::6815:30c92026-04-25 → 2026-06-19 · 7 obs
○ 2026-03-04 00:58:34
● 2026-04-25 01:16:20
● 2026-06-09 06:27:10
○ 2026-06-10 22:17:52
● 2026-06-19 15:29:16
○ 2026-06-20 17:44:46
○ 2026-08-09 10:04:56
●A2606:4700:3035::6815:30c92026-08-09 → 2026-08-09 · 2 obs
○ 2026-06-20 17:44:46
● 2026-08-09 10:04:56
○A2606:4700:3035::ac43:bbec2026-04-25 → 2026-06-19 · 7 obs
○ 2026-03-04 00:58:34
● 2026-04-25 01:16:20
● 2026-06-09 06:27:10
○ 2026-06-10 22:17:52
● 2026-06-19 15:29:16
○ 2026-06-20 17:44:46
○ 2026-08-09 10:04:56
●A2606:4700:3036::ac43:bbec2026-08-09 → 2026-08-09 · 2 obs
○ 2026-06-20 17:44:46
● 2026-08-09 10:04:56
○A2a06:98c1:3120::2026-03-04 → 2026-06-20 · 7 obs
● 2026-03-04 00:58:34
○ 2026-04-25 01:16:20
○ 2026-06-09 06:27:10
● 2026-06-10 22:17:52
○ 2026-06-19 15:29:16
● 2026-06-20 17:44:46
○ 2026-08-09 10:04:56
○A2a06:98c1:3121::2026-03-04 → 2026-06-20 · 7 obs
● 2026-03-04 00:58:34
○ 2026-04-25 01:16:20
○ 2026-06-09 06:27:10
● 2026-06-10 22:17:52
○ 2026-06-19 15:29:16
● 2026-06-20 17:44:46
○ 2026-08-09 10:04:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
openbrief.uskeyla.ns.cloudflare.com, clark.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.87

NS records: keyla.ns.cloudflare.com, clark.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openbrief.us (unsigned zone)

⏱️ Timing

Total: 1244ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.48.201, 172.67.187.236
AAAA22606:4700:3036::ac43:bbec, 2606:4700:3035::6815:30c9
NS2clark.ns.cloudflare.com, keyla.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1clark.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

openbrief.us resolves to four IP addresses: 104.21.48.201, 172.67.187.236, 2606:4700:3035::6815:30c9 and 2606:4700:3036::ac43:bbec.

Two other host names, along with best(0x666170).net, jnysbw.com and openai-proxy.pwolf-lin.workers.dev, also share IP numbers with openbrief.us.

Name Servers

The NS records for openbrief.us delegate to clark.ns.cloudflare.com and keyla.ns.cloudflare.com.

openbrief.us shares its NS records with other domains, for example urbanspinstudio.uk, oceanedgenetwork.it, smartroyalchoice.uk and two others.

openbrief.us shares at least some of its name servers with other domains, including staialakbarsurabaya.ac.id, vigrabizus.com, bbltech.org and two others.

DNS names with 6 IP addresses:

clark.ns.cloudflare.com maps to 108.162.193.87, 172.64.33.87, 173.245.59.87 and 3 additional IP addresses.

keyla.ns.cloudflare.com maps to 108.162.194.170, 162.159.38.170, 172.64.34.170 and 3 additional IP addresses.