504.io - robtex.com
504.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:d5f0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:17d8🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.23.216Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.213.240🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | brynne.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2641🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brynne.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c241🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | brynne.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2241🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | brynne.ns.cloudflare.com | ||||||
| A | 108.162.194.65🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brynne.ns.cloudflare.com | ||||||
| A | 162.159.38.65Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brynne.ns.cloudflare.com | ||||||
| A | 172.64.34.65🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brynne.ns.cloudflare.com | ||||||
| NS | kurt.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bc1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21c1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 108.162.193.193🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 172.64.33.193🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 173.245.59.193🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.23.216, 172.67.213.240 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:d5f0, 2606:4700:3036::6815:17d8 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com | ||||||
| SOA | brynne.ns.cloudflare.comdns@cloudflare.com serial=2397858485 | ||||||
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=1776999061 | ||||||
Same first word
504.nl |
504.com.au |
504.es |
504.im |
504.be |
504.net |
504.in |
504.co |
504.cc |
504.com |
504.io |
504.tel |
504.ink |
504.at |
504.expert |
504.org |
504.su |
504.ir |
504.pl |
504.eu |
504.co.kr |
504.jp |
504.ru |
504.city |
504.ca |
504.fr |
504.la |
504.de |
504.tv |
Similar names
DNS History
6 records (6 active, 0 former)
●NSbrynne.ns.cloudflare.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 03:16:24
●NSkurt.ns.cloudflare.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 03:16:24
●A104.21.23.2162026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 03:16:24
●A172.67.213.2402026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 03:16:24
●A2606:4700:3035::ac43:d5f02026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 03:16:24
●A2606:4700:3036::6815:17d82026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 03:16:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| 504.io | brynne.ns.cloudflare.com, kurt.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.65
NS records: brynne.ns.cloudflare.com, kurt.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 504.io (unsigned zone)
⏱️ Timing
Total: 380ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.213.240, 104.21.23.216 |
| AAAA | 2 | 2606:4700:3035::ac43:d5f0, 2606:4700:3036::6815:17d8 |
| NS | 2 | brynne.ns.cloudflare.com, kurt.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | brynne.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
504.io resolves to four IP numbers: 2606:4700:3035::ac43:d5f0, 2606:4700:3036::6815:17d8, 104.21.23.216 and 172.67.213.240.
other host names for instance somatika.lv, rtptires.com, payday-loans-cash-advance.net, consultant401k.com and gzjfym.com share IP numbers with 504.io.
Name Servers
504.io is delegated to two name servers: brynne.ns.cloudflare.com and kurt.ns.cloudflare.com.
504.io shares the same name server setup as other domains, for example simpova.com, rocketplay20.net, rocketplay19.net, lvhebrewacademy.org and combat-hooligans.com.
504.io at least partially shares name servers with other domains, for instance 88885804.com, pradaoutlets.us.com, flcolo.com, markatescilkonya.com and k8e7i6.com.
These name servers are often used with dane.ns.cloudflare.com and carl.ns.cloudflare.com.
Host names with six IP numbers:
brynne.ns.cloudflare.com points to: 2606:4700:50::a29f:2641, 2803:f800:50::6ca2:c241, 2a06:98c1:50::ac40:2241, 108.162.194.65, 162.159.38.65 and 172.64.34.65; kurt.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc1, 2803:f800:50::6ca2:c1c1, 2a06:98c1:50::ac40:21c1, 108.162.193.193, 172.64.33.193 and 173.245.59.193.