localhost.co - robtex.com
localhost.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:27a0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:92bb🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.39.160Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.146.187🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kristin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ab5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kristin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kristin.ns.cloudflare.com | ||||||
| A | 108.162.192.181🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristin.ns.cloudflare.com | ||||||
| A | 172.64.32.181🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristin.ns.cloudflare.com | ||||||
| A | 173.245.58.181🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristin.ns.cloudflare.com | ||||||
| NS | yichun.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yichun.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | yichun.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | yichun.ns.cloudflare.com | ||||||
| A | 108.162.193.248🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yichun.ns.cloudflare.com | ||||||
| A | 172.64.33.248🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yichun.ns.cloudflare.com | ||||||
| A | 173.245.59.248🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yichun.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.39.160, 172.67.146.187 | ||||||
| IPv6 hints | 2606:4700:3031::6815:27a0, 2606:4700:3037::ac43:92bb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com | ||||||
| SOA | kristin.ns.cloudflare.comdns@cloudflare.com serial=2405885768 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759703678 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSkristin.ns.cloudflare.com2026-02-23 → 2026-07-12 · 2 obs
● 2026-07-12 12:28:44
●NSyichun.ns.cloudflare.com2026-02-23 → 2026-07-12 · 2 obs
● 2026-07-12 12:28:44
●A104.21.39.1602026-02-23 → 2026-07-12 · 2 obs
● 2026-07-12 12:28:44
●A172.67.146.1872026-02-23 → 2026-07-12 · 2 obs
● 2026-07-12 12:28:44
●A2606:4700:3031::6815:27a02026-06-21 → 2026-07-12 · 3 obs
● 2026-06-21 17:13:38
● 2026-07-12 12:28:44
○A2606:4700:3033::6815:27a02026-02-23 → 2026-06-13 · 4 obs
● 2026-06-13 13:15:58
○ 2026-06-21 17:13:38
○ 2026-07-12 12:28:44
○A2606:4700:3035::ac43:92bb2026-02-23 → 2026-06-13 · 4 obs
● 2026-06-13 13:15:58
○ 2026-06-21 17:13:38
○ 2026-07-12 12:28:44
●A2606:4700:3037::ac43:92bb2026-06-21 → 2026-07-12 · 3 obs
● 2026-06-21 17:13:38
● 2026-07-12 12:28:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| localhost.co | kristin.ns.cloudflare.com, yichun.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.181
NS records: kristin.ns.cloudflare.com, yichun.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for localhost.co (unsigned zone)
⏱️ Timing
Total: 500ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.146.187, 104.21.39.160 |
| AAAA | 2 | 2606:4700:3031::6815:27a0, 2606:4700:3037::ac43:92bb |
| NS | 2 | kristin.ns.cloudflare.com, yichun.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kristin.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
localhost.co resolves to four IP addresses: 104.21.39.160, 172.67.146.187, 2606:4700:3031::6815:27a0 and 2606:4700:3037::ac43:92bb.
Additional host names — plr.su, adastrapa.uk, familytrustmart.com and two others — share IP numbers with localhost.co.
Name Servers
localhost.co is served by two delegated name servers, kristin.ns.cloudflare.com and yichun.ns.cloudflare.com.
localhost.co shares its name server setup with other domains, including soproges.com, mopistudio.com.br, wenatcheevacationrental.com and two others.
localhost.co shares at least some of its name servers with other domains, including phl88.com, angfaanfang.com, nyctri.com and two others.
These name servers are frequently seen alongside the name servers stanley.ns.cloudflare.com.
Host names with 6 IP numbers:
kristin.ns.cloudflare.com carries IP addresses 108.162.192.181, 172.64.32.181 and 173.245.58.181, with 3 other addresses beyond those.
yichun.ns.cloudflare.com carries IP addresses 108.162.193.248, 172.64.33.248 and 173.245.59.248, with 3 other addresses beyond those.