alternation.io - robtex.com
alternation.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:518e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:bda2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.81.142Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.189.162🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cleo.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cleo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c159🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cleo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2159🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cleo.ns.cloudflare.com | ||||||
| A | 108.162.193.89🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cleo.ns.cloudflare.com | ||||||
| A | 172.64.33.89🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cleo.ns.cloudflare.com | ||||||
| A | 173.245.59.89🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cleo.ns.cloudflare.com | ||||||
| NS | donna.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c097🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2097🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 108.162.192.151🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 172.64.32.151🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 173.245.58.151🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.81.142, 172.67.189.162 | ||||||
| IPv6 hints | 2606:4700:3032::6815:518e, 2606:4700:3033::ac43:bda2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com | ||||||
| SOA | cleo.ns.cloudflare.comdns@cloudflare.com serial=2401017202 | ||||||
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=1778537787 | ||||||
Same first word
alternation.xyz |
alternation.org |
alternation.cz |
alternation.nl |
alternation.io |
alternation.de |
alternation.au |
alternation.net |
alternation.fr |
alternation.com.au |
alternation.eu |
alternation.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NScleo.ns.cloudflare.com2026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 22:40:20
●NSdonna.ns.cloudflare.com2026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 22:40:20
●A104.21.81.1422026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 22:40:20
●A172.67.189.1622026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 22:40:20
●A2606:4700:3032::6815:518e2026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 22:40:20
●A2606:4700:3033::ac43:bda22026-04-12 → 2026-05-11 · 2 obs
● 2026-05-11 22:40:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| alternation.io | donna.ns.cloudflare.com, cleo.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.89
NS records: donna.ns.cloudflare.com, cleo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alternation.io (unsigned zone)
⏱️ Timing
Total: 565ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.189.162, 104.21.81.142 |
| AAAA | 2 | 2606:4700:3033::ac43:bda2, 2606:4700:3032::6815:518e |
| NS | 2 | cleo.ns.cloudflare.com, donna.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cleo.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
alternation.io resolves to four IP numbers: 2606:4700:3032::6815:518e, 2606:4700:3033::ac43:bda2, 104.21.81.142 and 172.67.189.162.
Other host names such as aurelithor.com, ns2.fellini.pl, casinotop10.sg, strategiccorepath.forum and huc99.ltd share IPs with alternation.io.
Name Servers
alternation.io is delegated to two name servers: cleo.ns.cloudflare.com and donna.ns.cloudflare.com.
alternation.io shares the same name server setup as aidmatrix.org, mcres.com, acrobatics.io, caretakersaustralia.com.au and stopthespread.com.
alternation.io at least partially shares name servers with other domains, for instance cleansofts.org, hotelcalypso.com.mx, tetralux.gr, integrateddigitalpublishing.com and conectclinic.com.
these name servers are commonly used together with the name servers moura.ns.cloudflare.com, bayan.ns.cloudflare.com, pablo.ns.cloudflare.com, jose.ns.cloudflare.com and dalary.ns.cloudflare.com.
Host names with six IP numbers:
cleo.ns.cloudflare.com points to 2606:4700:58::adf5:3b59, 2803:f800:50::6ca2:c159, 2a06:98c1:50::ac40:2159, 108.162.193.89, 172.64.33.89 and 173.245.59.89.
donna.ns.cloudflare.com points to 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151.