DreamHost at a Glance
| Type | Web hosting company |
|---|---|
| Website | www.dreamhost.com |
| Network (ASN) | AS26347 DREAMHOST-AS |
| Announced IP space | 24 IPv4 prefixes (~182,528 addresses), 3 IPv6 prefixes |
| Customer nameservers | ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com |
| Email (MX) | mx1.dreamhost.com, mx2.dreamhost.com |
| SPF include | include:netblocks.dreamhost.com |
DreamHost Nameservers
To host a domain with DreamHost, set these as the domain's nameservers at your registrar:
| Nameserver | IPv4 | Answered from network |
|---|---|---|
| ns1.dreamhost.com | 162.159.26.14 | AS13335 Cloudflare, Inc. |
| ns2.dreamhost.com | 162.159.26.81 | AS13335 Cloudflare, Inc. |
| ns3.dreamhost.com | 162.159.27.84 | AS13335 Cloudflare, Inc. |
- Log in to the registrar where you bought the domain and open its DNS or nameserver settings.
- Choose custom nameservers and replace the current ones with the DreamHost nameservers above.
- Save, then wait: nameserver changes take up to 24–48 hours to spread. Follow it live with the DNS propagation checker or the NS lookup.
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DreamHost IP Ranges and ASN
DreamHost announces its address space from one autonomous system. Any website whose IP address falls in these ranges runs on DreamHost's network. Counts are from the global routing table on September 25, 2026.
| ASN | Registered name | Registry | IPv4 prefixes | IPv4 addresses | IPv6 prefixes |
|---|---|---|---|---|---|
| AS26347 | DREAMHOST-AS - New Dream Network, LLC, US | arin · since 2002 | 24 | 182,528 | 3 |
Largest DreamHost IP blocks
69.163.128.0/17173.236.128.0/1767.205.0.0/18208.97.128.0/18208.113.128.0/1864.90.32.0/1967.205.0.0/1975.119.192.0/192607:f298:6050::/442607:f298:5::/48Look up any address in these blocks with the IP lookup or the ASN lookup.
DreamHost Email DNS Records
If you use DreamHost's own email service, these are the records your domain needs. Check them afterwards with the MX lookup and the SPF checker.
MX records
- 10 mx1.dreamhost.com (64.90.62.163)
- 20 mx2.dreamhost.com (64.90.62.164)
Priorities shown as a typical order; use the exact values from your DreamHost dashboard.
SPF
Add include:netblocks.dreamhost.com to your SPF record. It currently expands to:
v=spf1 ip4:66.33.192.0/19 ip4:205.196.208.0/20 ip4:64.111.96.0/19 ip4:208.97.128.0/18 ip4:208.113.128.0/17 ip4:67.205.0.0/18 ip4:75.119.192.0/19 ip4:107.180.224.0/19 ip4:69.163.128.0/17 ip4:173.236.128.0/17 ip4:64.90.32.0/19 ip4:64.90.62.0/24 ip4:69.163.136.0/24 ip6:2607:f298::/32 ~allHow to Check if a Website Is Hosted on DreamHost
Enter the domain in the checker at the top of this page. It names DreamHost when one or more of these signals match, and lists each one as evidence:
- The site's IP address is inside AS26347, the network DreamHost announces.
- The domain uses DreamHost nameservers (dreamhost.com). This shows where DNS is managed, which is usually but not always the host.
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DreamHost FAQ
What are DreamHost's nameservers?
DreamHost customers point their domain to ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com. Changes take up to 24–48 hours to spread through DNS.
What is DreamHost's ASN?
DreamHost announces its IP addresses from AS26347 (DREAMHOST-AS, registered with ARIN).
How many IP addresses does DreamHost have?
As of September 25, 2026, DreamHost's network announces 24 IPv4 prefixes covering about 182,528 IPv4 addresses, plus 3 IPv6 prefixes (source: RIPEstat routing data).
How can I tell if a website is hosted on DreamHost?
Run the domain through the hosting checker on this page. It reports DreamHost when the site's IP address is inside AS26347, the network DreamHost announces, and it shows every matching signal as evidence.
Is DreamHost a web host or a CDN?
DreamHost is a web hosting company: it provides shared, WordPress, VPS and dedicated hosting and domains.
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DreamHost is a trademark of its owner. DNS Robot is not affiliated with DreamHost unless an offer above is marked sponsored.