stackstr.io - robtex.com
stackstr.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:10c2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:d792🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.16.194Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.215.146🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | chance.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c21🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chance.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c321🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | chance.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2321🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | chance.ns.cloudflare.com | ||||||
| A | 108.162.195.33🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chance.ns.cloudflare.com | ||||||
| A | 162.159.44.33Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chance.ns.cloudflare.com | ||||||
| A | 172.64.35.33🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chance.ns.cloudflare.com | ||||||
| NS | colette.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:261c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c21c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:221c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 108.162.194.28🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 162.159.38.28Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| A | 172.64.34.28🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colette.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.16.194, 172.67.215.146 | ||||||
| IPv6 hints | 2606:4700:3033::6815:10c2, 2606:4700:3034::ac43:d792 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com | ||||||
| SOA | chance.ns.cloudflare.comdns@cloudflare.com serial=2413294465 | ||||||
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=1788972122 | ||||||
Same first word
stackstr.io |
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSchance.ns.cloudflare.com2026-09-04 → 2026-09-09 · 2 obs
● 2026-09-09 17:08:54
●NScolette.ns.cloudflare.com2026-09-04 → 2026-09-09 · 2 obs
● 2026-09-09 17:08:54
●A104.21.16.1942026-09-04 → 2026-09-09 · 2 obs
● 2026-09-09 17:08:54
●A172.67.215.1462026-09-04 → 2026-09-09 · 2 obs
● 2026-09-09 17:08:54
●A2606:4700:3033::6815:10c22026-09-04 → 2026-09-09 · 2 obs
● 2026-09-09 17:08:54
●A2606:4700:3034::ac43:d7922026-09-04 → 2026-09-09 · 2 obs
● 2026-09-09 17:08:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| stackstr.io | chance.ns.cloudflare.com, colette.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.28
NS records: chance.ns.cloudflare.com, colette.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stackstr.io (unsigned zone)
⏱️ Timing
Total: 1359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.16.194, 172.67.215.146 |
| AAAA | 2 | 2606:4700:3034::ac43:d792, 2606:4700:3033::6815:10c2 |
| NS | 2 | chance.ns.cloudflare.com, colette.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | chance.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
stackstr.io points to the four IP addresses 104.21.16.194, 172.67.215.146, 2606:4700:3033::6815:10c2 and 2606:4700:3034::ac43:d792.
Additional host names — quidraloox.world, ka7777.bet, untosys.tokyo and two others — share IP numbers with stackstr.io.
Name Servers
stackstr.io is delegated to two name servers: chance.ns.cloudflare.com and colette.ns.cloudflare.com.
stackstr.io shares its name server setup with other domains, including kaito-hoso.uk, kodaigoldenhoney.com, a525.workers.dev and two others.
There is at least partial name server overlap between stackstr.io and other domains — theoakkelsall.co.uk, yshobby0627.workers.dev, abdulaziz-harash.workers.dev and two more among them.
These name servers are routinely deployed together with the name servers stevie.ns.cloudflare.com.
Host names with 6 IP numbers:
chance.ns.cloudflare.com resolves to 108.162.195.33, 162.159.44.33, 172.64.35.33 and 3 other IP addresses.
colette.ns.cloudflare.com resolves to 108.162.194.28, 162.159.38.28, 172.64.34.28 and 3 other IP addresses.