modelr.io - robtex.com
modelr.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:20a6🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:9911🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.32.166Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.153.17🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alaric.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c1f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alaric.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c31f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alaric.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:231f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alaric.ns.cloudflare.com | ||||||
| A | 108.162.195.31🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.44.31Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.35.31🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | sandra.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2622🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c222🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2222🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 108.162.194.34🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 162.159.38.34Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 172.64.34.34🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.32.166, 172.67.153.17 | ||||||
| IPv6 hints | 2606:4700:3036::6815:20a6, 2606:4700:3037::ac43:9911 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=144, name=cloudflare-ech.com | ||||||
| SOA | alaric.ns.cloudflare.comdns@cloudflare.com serial=2409599877 | ||||||
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=1784659188 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSalaric.ns.cloudflare.com2026-07-19 → 2026-07-21 · 2 obs
● 2026-07-21 18:53:58
●NSsandra.ns.cloudflare.com2026-07-19 → 2026-07-21 · 2 obs
● 2026-07-21 18:53:58
●A104.21.32.1662026-07-19 → 2026-07-21 · 2 obs
● 2026-07-21 18:53:58
●A172.67.153.172026-07-19 → 2026-07-21 · 2 obs
● 2026-07-21 18:53:58
●A2606:4700:3036::6815:20a62026-07-19 → 2026-07-21 · 2 obs
● 2026-07-21 18:53:58
●A2606:4700:3037::ac43:99112026-07-19 → 2026-07-21 · 2 obs
● 2026-07-21 18:53:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, c0.nic.io, b0.nic.io, a2.nic.io | - |
| modelr.io | sandra.ns.cloudflare.com, alaric.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.31
NS records: sandra.ns.cloudflare.com, alaric.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for modelr.io (unsigned zone)
⏱️ Timing
Total: 639ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.153.17, 104.21.32.166 |
| AAAA | 2 | 2606:4700:3036::6815:20a6, 2606:4700:3037::ac43:9911 |
| NS | 2 | alaric.ns.cloudflare.com, sandra.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alaric.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
modelr.io has four IP addresses: 104.21.32.166, 172.67.153.17, 2606:4700:3036::6815:20a6 and 2606:4700:3037::ac43:9911.
5dazzlinghotdemo.ro, ipzero.com.br, heartsoulfilms.com plus two other host names have IP numbers in common with modelr.io.
Name Servers
modelr.io uses two name servers for its delegation: alaric.ns.cloudflare.com and sandra.ns.cloudflare.com.
The name server configuration of modelr.io is shared with other domains, for instance trcgb.com, todue.io, istockmatrix.com and two others.
modelr.io has at least partial name server overlap with other domains, such as maxmacs.ca, tlytea.com, 7775856.com and two others.
These name servers tend to appear together with the name servers finley.ns.cloudflare.com, poppy.ns.cloudflare.com and barbara.ns.cloudflare.com.
Hosts with 6 IP addresses each:
Hostname alaric.ns.cloudflare.com directs to 108.162.195.31, 162.159.44.31 and 172.64.35.31 along with 3 other IP addresses.
Hostname sandra.ns.cloudflare.com directs to 108.162.194.34, 162.159.38.34 and 172.64.34.34 along with 3 other IP addresses.