river4.io - robtex.com
river4.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:d15a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:4592🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.69.146Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.209.90🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cosmin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c2d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cosmin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c32d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cosmin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:232d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cosmin.ns.cloudflare.com | ||||||
| A | 108.162.195.45🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cosmin.ns.cloudflare.com | ||||||
| A | 162.159.44.45Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cosmin.ns.cloudflare.com | ||||||
| A | 172.64.35.45🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cosmin.ns.cloudflare.com | ||||||
| NS | nora.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nora.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nora.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nora.ns.cloudflare.com | ||||||
| A | 108.162.192.213🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nora.ns.cloudflare.com | ||||||
| A | 172.64.32.213🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nora.ns.cloudflare.com | ||||||
| A | 173.245.58.213🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nora.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.69.146, 172.67.209.90 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:d15a, 2606:4700:3037::6815:4592 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=226, name=cloudflare-ech.com | ||||||
| SOA | cosmin.ns.cloudflare.comdns@cloudflare.com serial=2407956060 | ||||||
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=1784024820 | ||||||
rank #2019 in the tld
📈 Tranco rank: #991,701
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NScosmin.ns.cloudflare.com2026-03-22 → 2026-07-14 · 2 obs
● 2026-07-14 10:39:24
●NSnora.ns.cloudflare.com2026-03-22 → 2026-07-14 · 2 obs
● 2026-07-14 10:39:24
●A104.21.69.1462026-03-22 → 2026-07-14 · 2 obs
● 2026-07-14 10:39:24
●A172.67.209.902026-03-22 → 2026-07-14 · 2 obs
● 2026-07-14 10:39:24
●A2606:4700:3030::ac43:d15a2026-07-02 → 2026-07-14 · 3 obs
● 2026-07-02 19:53:06
● 2026-07-14 10:39:24
○A2606:4700:3031::6815:45922026-03-22 → 2026-06-06 · 4 obs
● 2026-06-06 10:26:14
○ 2026-07-02 19:53:06
○ 2026-07-14 10:39:24
○A2606:4700:3034::ac43:d15a2026-03-22 → 2026-06-06 · 4 obs
● 2026-06-06 10:26:14
○ 2026-07-02 19:53:06
○ 2026-07-14 10:39:24
●A2606:4700:3037::6815:45922026-07-02 → 2026-07-14 · 3 obs
● 2026-07-02 19:53:06
● 2026-07-14 10:39:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| river4.io | nora.ns.cloudflare.com, cosmin.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.45
NS records: nora.ns.cloudflare.com, cosmin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for river4.io (unsigned zone)
⏱️ Timing
Total: 1270ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.69.146, 172.67.209.90 |
| AAAA | 2 | 2606:4700:3030::ac43:d15a, 2606:4700:3037::6815:4592 |
| NS | 2 | cosmin.ns.cloudflare.com, nora.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cosmin.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
river4.io points to the four IP addresses 104.21.69.146, 172.67.209.90, 2606:4700:3030::ac43:d15a and 2606:4700:3037::6815:4592.
Among the host names that share IP numbers with river4.io are southstarz.com, zzir.net, bookns-extanet.com and two others.
Name Servers
river4.io uses two name servers for its delegation: cosmin.ns.cloudflare.com and nora.ns.cloudflare.com.
river4.io has the same name server delegation as a number of other domains, such as bj88lc.com, realwaytech.com, livescore24.club and two more.
There is at least partial name server overlap between river4.io and other domains — smartdogs.com.mx, relocatus.com, west96thplumbingandheating.info and two more among them.
These name servers are routinely deployed together with the name servers lucy.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
Hostname cosmin.ns.cloudflare.com directs to 108.162.195.45, 162.159.44.45 and 172.64.35.45 along with 3 other IP addresses.
Hostname nora.ns.cloudflare.com directs to 108.162.192.213, 172.64.32.213 and 173.245.58.213 along with 3 other IP addresses.