checkurbrain.org - robtex.com
checkurbrain.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:55d2🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d365🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.85.210Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.211.101🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | johnathan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c2c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | johnathan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c32c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | johnathan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:232c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | johnathan.ns.cloudflare.com | ||||||
| A | 108.162.195.44🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | johnathan.ns.cloudflare.com | ||||||
| A | 162.159.44.44Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | johnathan.ns.cloudflare.com | ||||||
| A | 172.64.35.44🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | johnathan.ns.cloudflare.com | ||||||
| NS | megan.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ac5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0c5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20c5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 108.162.192.197🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 172.64.32.197🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 173.245.58.197🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.85.210, 172.67.211.101 | ||||||
| IPv6 | 2606:4700:3031::6815:55d2, 2606:4700:3037::ac43:d365 | ||||||
| SOA | johnathan.ns.cloudflare.comdns@cloudflare.com serial=2398966563 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774528143 | ||||||
Same first word
checkurbrain.org |
DNS History
8 records (6 active, 2 former)
●NSjohnathan.ns.cloudflare.com2026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 13:05:46
●NSmegan.ns.cloudflare.com2026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 13:05:46
●A104.21.85.2102026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 13:05:46
○A172.64.80.12026-02-20 → 2026-03-26 · 2 obs
○ 2026-03-26 13:05:46
●A172.67.211.1012026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 13:05:46
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-20 → 2026-03-26 · 2 obs
○ 2026-03-26 13:05:46
●A2606:4700:3031::6815:55d22026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 13:05:46
●A2606:4700:3037::ac43:d3652026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 13:05:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| checkurbrain.org | johnathan.ns.cloudflare.com, megan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.44
NS records: johnathan.ns.cloudflare.com, megan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for checkurbrain.org (unsigned zone)
⏱️ Timing
Total: 500ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.211.101, 104.21.85.210 |
| AAAA | 2 | 2606:4700:3031::6815:55d2, 2606:4700:3037::ac43:d365 |
| NS | 2 | johnathan.ns.cloudflare.com, megan.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | johnathan.ns.cloudflare.com dns.cloudfla |
Analysis
IP Addresses
checkurbrain.org refers to four IP numbers: 2606:4700:3031::6815:55d2, 2606:4700:3037::ac43:d365, 104.21.85.210 and 172.67.211.101.
Other host names, for instance www.metallspros.ru, 1767991.com, prensaobjetiva.com, bividesign.com and marketrill.com share IP numbers with checkurbrain.org.
Name Servers
checkurbrain.org's delegation uses two name servers: johnathan.ns.cloudflare.com and megan.ns.cloudflare.com.
checkurbrain.org uses the same name server setup as other domains, such as kitchenart.vn, revidata.dk, ultish.com, everydayshopping.org and pmgroup.com.au.
checkurbrain.org at least partially shares name servers with other domains, including onlot.com, thtim.com, paolo.se, 3k78.com and aetnasign.com.
These name servers are commonly used with lady.ns.cloudflare.com.
Host names with six IP numbers:
johnathan.ns.cloudflare.com points to 2606:4700:58::a29f:2c2c, 2803:f800:50::6ca2:c32c, 2a06:98c1:50::ac40:232c, 108.162.195.44, 162.159.44.44 and 172.64.35.44.
megan.ns.cloudflare.com points to 2606:4700:50::adf5:3ac5, 2803:f800:50::6ca2:c0c5, 2a06:98c1:50::ac40:20c5, 108.162.192.197, 172.64.32.197 and 173.245.58.197.