brc137.io - robtex.com
brc137.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:477e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:9153🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.71.126Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.145.83🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cass.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c051🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2051🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 108.162.192.81🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 172.64.32.81🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 173.245.58.81🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| NS | grant.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c82🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c382🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2382🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 108.162.195.130🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 162.159.44.130Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 172.64.35.130🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.71.126, 172.67.145.83 | ||||||
| IPv6 hints | 2606:4700:3030::6815:477e, 2606:4700:3035::ac43:9153 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com | ||||||
| SOA | cass.ns.cloudflare.comdns@cloudflare.com serial=2411129470 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1785998017 | ||||||
Same first word
brc137.io |
Similar names
DNS History
7 records (6 active, 1 former)
●NScass.ns.cloudflare.com2026-06-16 → 2026-08-06 · 2 obs
● 2026-08-06 06:44:00
●NSgrant.ns.cloudflare.com2026-06-16 → 2026-08-06 · 2 obs
● 2026-08-06 06:44:00
●A104.21.71.1262026-06-16 → 2026-08-06 · 2 obs
● 2026-08-06 06:44:00
●A172.67.145.832026-06-16 → 2026-08-06 · 2 obs
● 2026-08-06 06:44:00
●A2606:4700:3030::6815:477e2026-06-16 → 2026-08-06 · 2 obs
● 2026-08-06 06:44:00
○A2606:4700:3034::ac43:91532026-06-16 → 2026-06-16 · 3 obs
○ 2026-07-20 20:54:48
○ 2026-08-06 06:44:00
●A2606:4700:3035::ac43:91532026-07-20 → 2026-08-06 · 3 obs
● 2026-07-20 20:54:48
● 2026-08-06 06:44:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| brc137.io | cass.ns.cloudflare.com, grant.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.81
NS records: cass.ns.cloudflare.com, grant.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for brc137.io (unsigned zone)
⏱️ Timing
Total: 334ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.71.126, 172.67.145.83 |
| AAAA | 2 | 2606:4700:3030::6815:477e, 2606:4700:3035::ac43:9153 |
| NS | 2 | cass.ns.cloudflare.com, grant.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cass.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
brc137.io directs to four IP numbers, which are 104.21.71.126, 172.67.145.83, 2606:4700:3030::6815:477e and 2606:4700:3035::ac43:9153.
bookmarkedblog.com, turk(0x706f726e)osu1.website, terravipcentral.nl and two other host names share IP numbers with brc137.io.
Name Servers
DNS delegation for brc137.io points to two name servers: cass.ns.cloudflare.com and grant.ns.cloudflare.com.
brc137.io uses the same name servers as several other domains — among them homelessyouthnetwork.org, whoopdeedoo.tv, zoogdiergezien.nl and two more.
There is at least partial name server overlap between brc137.io and other domains — mayurramgir.com, recorp.org, 777vipup.com and two more among them.
The name servers sharon.ns.cloudflare.com, nitin.ns.cloudflare.com and aragorn.ns.cloudflare.com are often found in combination with these name servers.
Hostnames that resolve to 6 IP addresses:
cass.ns.cloudflare.com has IP addresses 108.162.192.81, 172.64.32.81 and 173.245.58.81, plus 3 other.
grant.ns.cloudflare.com has IP addresses 108.162.195.130, 162.159.44.130 and 172.64.35.130, plus 3 other.