0xffffffff.io - robtex.com
0xffffffff.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:10cf🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:d7ec🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.16.207Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.215.236🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ignat.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c13🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ignat.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c313🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ignat.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2313🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ignat.ns.cloudflare.com | ||||||
| A | 108.162.195.19🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ignat.ns.cloudflare.com | ||||||
| A | 162.159.44.19Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ignat.ns.cloudflare.com | ||||||
| A | 172.64.35.19🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ignat.ns.cloudflare.com | ||||||
| NS | ziggy.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26ed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ziggy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ziggy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22ed🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ziggy.ns.cloudflare.com | ||||||
| A | 108.162.194.237🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ziggy.ns.cloudflare.com | ||||||
| A | 162.159.38.237Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ziggy.ns.cloudflare.com | ||||||
| A | 172.64.34.237🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ziggy.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.16.207, 172.67.215.236 | ||||||
| IPv6 hints | 2606:4700:3035::6815:10cf, 2606:4700:3036::ac43:d7ec | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=239, name=cloudflare-ech.com | ||||||
| SOA | ignat.ns.cloudflare.comdns@cloudflare.com serial=2410100652 | ||||||
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=1786277967 | ||||||
Same first word
0xffffffff.net |
0xffffffff.com |
0xffffffff.io |
0xffffffff.org |
DNS History
8 records (6 active, 2 former)
●NSignat.ns.cloudflare.com2026-05-26 → 2026-08-09 · 2 obs
● 2026-08-09 12:27:26
●NSziggy.ns.cloudflare.com2026-05-26 → 2026-08-09 · 2 obs
● 2026-08-09 12:27:26
●A104.21.16.2072026-05-26 → 2026-08-09 · 2 obs
● 2026-08-09 12:27:26
●A172.67.215.2362026-05-26 → 2026-08-09 · 2 obs
● 2026-08-09 12:27:26
○A2606:4700:3032::6815:10cf2026-05-26 → 2026-06-08 · 4 obs
● 2026-06-08 01:14:12
○ 2026-07-28 19:17:52
○ 2026-08-09 12:27:26
●A2606:4700:3035::6815:10cf2026-07-28 → 2026-08-09 · 3 obs
● 2026-07-28 19:17:52
● 2026-08-09 12:27:26
●A2606:4700:3036::ac43:d7ec2026-07-28 → 2026-08-09 · 3 obs
● 2026-07-28 19:17:52
● 2026-08-09 12:27:26
○A2606:4700:3037::ac43:d7ec2026-05-26 → 2026-06-08 · 4 obs
● 2026-06-08 01:14:12
○ 2026-07-28 19:17:52
○ 2026-08-09 12:27:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| 0xffffffff.io | ignat.ns.cloudflare.com, ziggy.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.237
NS records: ignat.ns.cloudflare.com, ziggy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 0xffffffff.io (unsigned zone)
⏱️ Timing
Total: 546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.16.207, 172.67.215.236 |
| AAAA | 2 | 2606:4700:3035::6815:10cf, 2606:4700:3036::ac43:d7ec |
| NS | 2 | ignat.ns.cloudflare.com, ziggy.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ignat.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
0xffffffff.io resolves to four IP addresses: 104.21.16.207, 172.67.215.236, 2606:4700:3035::6815:10cf and 2606:4700:3036::ac43:d7ec.
Two other host names, along with www.sammccauley.com, vertexsmartsystems.click and www.and-make.com, also share IP numbers with 0xffffffff.io.
Name Servers
Two name servers handle the delegation for 0xffffffff.io: ignat.ns.cloudflare.com and ziggy.ns.cloudflare.com.
0xffffffff.io shares its NS records with other domains, for example thecaribbeanpost.com, xtcm88.online, superslotmax.vip and two others.
0xffffffff.io shares at least some of its name servers with other domains, including dubai-villas-sale.com, uber77auto.bond, awyjmyt.org and two others.
DNS names with 6 IP addresses:
ignat.ns.cloudflare.com resolves to 108.162.195.19, 162.159.44.19 and 172.64.35.19 among others, with 3 other IP addresses in total.
ziggy.ns.cloudflare.com resolves to 108.162.194.237, 162.159.38.237 and 172.64.34.237 among others, with 3 other IP addresses in total.