checkhost.io - robtex.com
checkhost.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:a161🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:9e4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.9.228Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.161.97🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jule.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3aaf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0af🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20af🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 108.162.192.175🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 172.64.32.175🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 173.245.58.175🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| NS | noel.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bd8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1d8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21d8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 108.162.193.216🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 172.64.33.216🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| A | 173.245.59.216🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noel.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.9.228, 172.67.161.97 | ||||||
| IPv6 | 2606:4700:3033::ac43:a161, 2606:4700:3035::6815:9e4 | ||||||
| SOA | jule.ns.cloudflare.comdns@cloudflare.com serial=2397402325 | ||||||
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=1774370567 | ||||||
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DNS History
6 records (6 active, 0 former)
●NSjule.ns.cloudflare.com2026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 17:03:54
●NSnoel.ns.cloudflare.com2026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 17:03:54
●A104.21.9.2282026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 17:03:54
●A172.67.161.972026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 17:03:54
●A2606:4700:3033::ac43:a1612026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 17:03:54
●A2606:4700:3035::6815:9e42026-03-04 → 2026-03-24 · 2 obs
● 2026-03-24 17:03:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| checkhost.io | jule.ns.cloudflare.com, noel.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.216
NS records: jule.ns.cloudflare.com, noel.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for checkhost.io (unsigned zone)
⏱️ Timing
Total: 537ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.9.228, 172.67.161.97 |
| AAAA | 2 | 2606:4700:3035::6815:9e4, 2606:4700:3033::ac43:a161 |
| NS | 2 | jule.ns.cloudflare.com, noel.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jule.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
checkhost.io points to four IP numbers: 2606:4700:3033::ac43:a161, 2606:4700:3035::6815:9e4, 104.21.9.228 and 172.67.161.97.
Other host names, for instance marioclub.org, kentuckyhomesandgardens.com, ikissi.com, mtx.co.uk and fccelec.com share IP numbers with checkhost.io.
Name Servers
checkhost.io's delegation is to two name servers jule.ns.cloudflare.com and noel.ns.cloudflare.com.
checkhost.io shares the same name server configuration as other domains, such as garnelomat.com, go4e.de, uxme.com, musicdata.io and u4e.de.
checkhost.io at least partially shares its name servers with other domains, for instance abre.bio, mssupport.in, rubo.info, peterbvin.dk and fvlc.org.
These name servers are commonly used alongside viddy.ns.cloudflare.com and susan.ns.cloudflare.com.
Host names with six IP numbers:
jule.ns.cloudflare.com points to: 2606:4700:50::adf5:3aaf, 2803:f800:50::6ca2:c0af, 2a06:98c1:50::ac40:20af, 108.162.192.175, 172.64.32.175 and 173.245.58.175.
noel.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd8, 2803:f800:50::6ca2:c1d8, 2a06:98c1:50::ac40:21d8, 108.162.193.216, 172.64.33.216 and 173.245.59.216.