libstack.io - dns.ninja
libstack.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:c1e2🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:4462🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.68.98Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.193.226🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | sergi.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c44🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sergi.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c344🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sergi.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2344🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sergi.ns.cloudflare.com | ||||||
| A | 108.162.195.68🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sergi.ns.cloudflare.com | ||||||
| A | 162.159.44.68Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sergi.ns.cloudflare.com | ||||||
| A | 172.64.35.68🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sergi.ns.cloudflare.com | ||||||
| NS | sureena.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:267e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c27e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:227e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 108.162.194.126🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 162.159.38.126Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| A | 172.64.34.126🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sureena.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.68.98, 172.67.193.226 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:c1e2, 2606:4700:3034::6815:4462 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com | ||||||
| SOA | sergi.ns.cloudflare.comdns@cloudflare.com serial=1788638080 | ||||||
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=1788636330 | ||||||
Same first word
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Previous names
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DNS History
6 records (6 active, 0 former)
●NSsergi.ns.cloudflare.com2026-08-31 → 2026-09-05 · 2 obs
● 2026-09-05 19:54:40
●NSsureena.ns.cloudflare.com2026-08-31 → 2026-09-05 · 2 obs
● 2026-09-05 19:54:40
●A104.21.68.982026-08-31 → 2026-09-05 · 2 obs
● 2026-09-05 19:54:40
●A172.67.193.2262026-08-31 → 2026-09-05 · 2 obs
● 2026-09-05 19:54:40
●A2606:4700:3032::ac43:c1e22026-08-31 → 2026-09-05 · 2 obs
● 2026-09-05 19:54:40
●A2606:4700:3034::6815:44622026-08-31 → 2026-09-05 · 2 obs
● 2026-09-05 19:54:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | b0.nic.io, c0.nic.io, a0.nic.io, a2.nic.io | - |
| libstack.io | sureena.ns.cloudflare.com, sergi.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.126
NS records: sureena.ns.cloudflare.com, sergi.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for libstack.io (unsigned zone)
⏱️ Timing
Total: 602ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.68.98, 172.67.193.226 |
| AAAA | 2 | 2606:4700:3032::ac43:c1e2, 2606:4700:3034::6815:4462 |
| NS | 2 | sergi.ns.cloudflare.com, sureena.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | sergi.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
libstack.io has four IP addresses: 104.21.68.98, 172.67.193.226, 2606:4700:3032::ac43:c1e2 and 2606:4700:3034::6815:4462.
Additional host names — okvipsc88.com, yabo96.cc, 62-61-35-059.static.hnet.pl and two others — share IP numbers with libstack.io.
Name Servers
libstack.io has two authoritative name servers — sergi.ns.cloudflare.com and sureena.ns.cloudflare.com.
libstack.io shares its name server setup with other domains, including anfjhibfjg.pages.dev, abbull187.workers.dev, tten.io and two others.
libstack.io partially shares its NS delegation with several other domains, including c75payfcfc.com, addscrave.com, talnexo.info and two others.
These name servers regularly co-occur with the name servers aitana.ns.cloudflare.com, eric.ns.cloudflare.com and ruth.ns.cloudflare.com.
Host names with 6 IP numbers:
sergi.ns.cloudflare.com points to 108.162.195.68, 162.159.44.68, 172.64.35.68 and 3 other IP addresses.
sureena.ns.cloudflare.com points to 108.162.194.126, 162.159.38.126, 172.64.34.126 and 3 other IP addresses.