IPv4 Address

1.0.0.1

Cloudflare DNS Secondary

DNS Resolver
Organization
Cloudflare Inc.
ASN
AS13335
Location
San Francisco, California, United States
Type
DNS Resolver
PTR / Reverse DNS
one.zero.zero.one
IP Version
IPv4 Address
Full Geolocation Lookup Check Blacklist Status WHOIS Lookup

What is 1.0.0.1?

1.0.0.1 is the secondary IP address of Cloudflare's public DNS resolver. It provides the same privacy-focused recursive DNS service as 1.1.1.1 and is used as a fallback resolver. Both addresses are operated by Cloudflare Inc. through its global anycast network spanning over 330 cities worldwide.

Privacy note

1.0.0.1 showing up in a DNS leak test is the same as 1.1.1.1 — your DNS is going through Cloudflare. If you see this while on a VPN, your VPN's DNS leak prevention may not be active.

Check this IP address with MyIPScan tools

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Frequently asked questions about 1.0.0.1

What is 1.0.0.1?

1.0.0.1 is the secondary IP address of Cloudflare's public DNS resolver. It provides the same privacy-focused recursive DNS service as 1.1.1.1 and is used as a fallback resolver. Both addresses are operated by Cloudflare Inc. through its global anycast network spanning over 330 cities worldwide.

Who owns 1.0.0.1?

1.0.0.1 is operated by Cloudflare Inc.. The ASN is AS13335.

Where is 1.0.0.1 located?

Based on geolocation data, 1.0.0.1 is associated with San Francisco, California, United States. IP geolocation is approximate and may differ from the physical server location.

Is 1.0.0.1 safe?

1.0.0.1 showing up in a DNS leak test is the same as 1.1.1.1 — your DNS is going through Cloudflare. If you see this while on a VPN, your VPN's DNS leak prevention may not be active.

How do I look up 1.0.0.1?

Use MyIPScan's IP Geolocation Lookup, WHOIS Lookup, or IP Blacklist Checker to get detailed information about this address.

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