cfstack.io - dns.ninja
cfstack.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:25a🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:35a🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:440e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.2.90Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.3.90Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.68.14🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | barbara.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3af8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | barbara.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | barbara.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | barbara.ns.cloudflare.com | ||||||
| A | 108.162.192.248🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | barbara.ns.cloudflare.com | ||||||
| A | 172.64.32.248🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | barbara.ns.cloudflare.com | ||||||
| A | 173.245.58.248🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | barbara.ns.cloudflare.com | ||||||
| NS | guy.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bad🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1ad🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21ad🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| A | 108.162.193.173🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.33.173🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.59.173🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.26.2.90, 104.26.3.90, 172.67.68.14 | ||||||
| IPv6 hints | 2606:4700:20::681a:25a, 2606:4700:20::681a:35a, 2606:4700:20::ac43:440e | ||||||
| SOA | barbara.ns.cloudflare.comdns@cloudflare.com serial=2416897078 | ||||||
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=1791440802 | ||||||
Same first word
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fcstack.com |
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ckfacts.com |
ckfacts.net |
Previous names
Next names
cfsw.io |
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DNS History
8 records (8 active, 0 former)
●NSbarbara.ns.cloudflare.com2026-08-18 → 2026-10-08 · 2 obs
● 2026-10-08 06:54:14
●NSguy.ns.cloudflare.com2026-08-18 → 2026-10-08 · 2 obs
● 2026-10-08 06:54:14
●A104.26.2.902026-08-18 → 2026-10-08 · 2 obs
● 2026-10-08 06:54:14
●A104.26.3.902026-08-18 → 2026-10-08 · 2 obs
● 2026-10-08 06:54:14
●A172.67.68.142026-08-18 → 2026-10-08 · 2 obs
● 2026-10-08 06:54:14
●A2606:4700:20::681a:25a2026-08-18 → 2026-10-08 · 2 obs
● 2026-10-08 06:54:14
●A2606:4700:20::681a:35a2026-08-18 → 2026-10-08 · 2 obs
● 2026-10-08 06:54:14
●A2606:4700:20::ac43:440e2026-08-18 → 2026-10-08 · 2 obs
● 2026-10-08 06:54:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | 8 records |
| cfstack.io | guy.ns.cloudflare.com, barbara.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.173
NS records: guy.ns.cloudflare.com, barbara.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfstack.io (unsigned zone)
⏱️ Timing
Total: 1393ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 104.26.3.90, 172.67.68.14... |
| AAAA | 3 | 2606:4700:20::681a:35a, 2606:4700:20::ac43:440e... |
| NS | 2 | barbara.ns.cloudflare.com, guy.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | barbara.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a0.nic.io, a2.nic.io, b0.nic.io...)
Analysis
IP Addresses
cfstack.io resolves to 6 IP numbers: 104.26.2.90, 104.26.3.90, 172.67.68.14 and 3 other.
Additional host names — images.kaina24.lt, novactiv.eu, argom.ai and two others — share IP numbers with cfstack.io.
Name Servers
DNS delegation for cfstack.io points to two name servers: barbara.ns.cloudflare.com and guy.ns.cloudflare.com.
cfstack.io shares its name server setup with other domains, including my-bali-internship.com, stemforge.studio, tunisia-private-jets.com and two others.
The name servers of cfstack.io overlap at least partially with those of other domains — among them 0808vffe.cfd, sqtsg.com, hanbaomh.com and two more.
These name servers commonly appear alongside the name servers rodney.ns.cloudflare.com and isaac.ns.cloudflare.com.
Host names with 6 IP numbers:
barbara.ns.cloudflare.com has IP addresses 108.162.192.248, 172.64.32.248 and 173.245.58.248, plus 3 other.
guy.ns.cloudflare.com has IP addresses 108.162.193.173, 172.64.33.173 and 173.245.59.173, plus 3 other.