api.fast.com - dns.ninja
api.fast.com
| CNAME | fast.dradis.netflix.com | ||||||
| CNAME | fast.us-east-2.internal.dradis.netflix.com | ||||||
| CNAME | apiproxy-api-fast-vpc0-nlb-41a65773b29b9841.elb.us-east-2.amazonaws.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:5640:f502:80::5452:cfbc🇳🇱 Amazon2a03:5640:f502::/48 EC2 Prefix | ||||||
| PTR | ip-2a03-5640-f502-80--5452-cfbc.node.netflix.net | ||||||
| A | 2a03:5640:f502:81::5452:cfbc🇳🇱 Amazon2a03:5640:f502::/48 EC2 Prefix | ||||||
| A | 2a03:5640:f502:82::5452:cfbc🇳🇱 Amazon2a03:5640:f502::/48 EC2 Prefix | ||||||
| A | 3.132.9.183🇺🇸 Amazon3.132.0.0/14 EC2 CMH prefix | ||||||
| A | 18.118.127.196🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix | ||||||
| A | 52.14.4.243🇺🇸 Amazon52.14.0.0/16 EC2 CMH prefix | ||||||
fast.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:1408:c400:f84::24fe🇺🇸 AKAMAI-ASN12600:1408:c400::/48 Akamai Technologies | ||||||
| A | 2600:1408:c400:f89::24fe🇺🇸 AKAMAI-ASN12600:1408:c400::/48 Akamai Technologies | ||||||
| A | 23.214.225.58🇳🇱 Akamai23.214.224.0/19 Technologies | ||||||
| NS | a1-242.akam.net ⭐ | ||||||
| NS | a13-67.akam.net | ||||||
| NS | a14-64.akam.net | ||||||
| NS | a24-65.akam.net | ||||||
| NS | a26-66.akam.net | ||||||
| NS | a7-67.akam.net | ||||||
| TXT | v=spf1 -all | ||||||
| TXT | 88749490e4fe4905aa126cc035167fb2 | ||||||
| SOA | a1-242.akam.netnicadmin@netflix.com serial=26 | ||||||
rank #5587 globally
rank #2773 in the tld
Semrush Rank:#2,323 Keywords:26,045 Traffic:1,106,901/mo
WOT: SAFE (93/100)
📈 Tranco rank: #548
Fast.com - Netflix Internet Speed Test
Fast.com is a free internet speed testing service owned and operated by Netflix. Launched to help users verify whether their internet service provider is delivering promised speeds, it provides a simple, ad-free way to measure connection performance.
Features
- Download speed testing - Primary focus, measuring speeds against Netflix's globally distributed servers
- Upload speed & latency - Available via "Show more info" button
- Bufferbloat detection - Provides both unloaded and loaded latency readings
- Universal access - Works on any internet-connected device worldwide
Infrastructure
- CDN: Akamai Technologies (AS 20940)
- Nameservers: Akamai authoritative DNS (a1-242.akam.net and 5 others)
- IPv4: 23.43.184.150
- IPv6: 2600:1406:5e00:78c::24fe, 2600:1406:5e00:79f::24fe
- Mail: SPF record rejects all mail (v=spf1 -all)
- Contact: nicadmin@netflix.com
Rankings
Fast.com ranks #547 globally on the Tranco domain popularity list, reflecting its widespread use as a trusted speed testing tool.
Same first word
Similar names
DNS History
9 records (1 active, 8 former)
○A176.34.135.2242016-12-28 → 2016-12-28 · 3 obs
○ 2017-05-28 13:54:34
○ 2026-08-08 17:58:20
○A2a01:578:3::34d2:3ddb2016-12-28 → 2016-12-28 · 3 obs
○ 2017-05-28 13:54:34
○ 2026-08-08 17:58:20
○A2a01:578:3::36f6:c3522016-12-28 → 2016-12-28 · 3 obs
○ 2017-05-28 13:54:34
○ 2026-08-08 17:58:20
○A2a01:578:3::b022:87e02016-12-28 → 2016-12-28 · 3 obs
○ 2017-05-28 13:54:34
○ 2026-08-08 17:58:20
○A52.210.61.2192016-12-28 → 2016-12-28 · 3 obs
○ 2017-05-28 13:54:34
○ 2026-08-08 17:58:20
○A54.246.195.822016-12-28 → 2016-12-28 · 3 obs
○ 2017-05-28 13:54:34
○ 2026-08-08 17:58:20
●CNAMEfast.dradis.netflix.com2026-03-03 → 2026-08-08 · 3 obs
● 2026-03-03 13:49:14
● 2026-08-08 17:58:20
○CNAMEfast.eu-west-1.prodaa.netflix.com2016-12-28 → 2016-12-28 · 3 obs
○ 2017-05-28 13:54:34
○ 2026-08-08 17:58:20
○CNAMEfast.geo.netflix.com2016-12-28 → 2018-01-10 · 4 obs
● 2018-01-10 11:14:00
○ 2026-03-03 13:49:14
○ 2026-08-08 17:58:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| fast.com | a14-64.akam.net, a7-67.akam.net, a1-242.akam.net, a26-66.akam.net... | - |
✅ Authoritative Response
Server:193.108.91.242
NS records: a14-64.akam.net, a7-67.akam.net, a1-242.akam.net, a26-66.akam.net, a13-67.akam.net, a24-65.akam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fast.com (unsigned zone)
⏱️ Timing
Total: 359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | fast.dradis.netflix.com |
Analysis
IP Addresses
api.fast.com points to 6 IP addresses, including 3.132.9.183, 18.118.127.196 and 52.14.4.243, plus 3 other.
ec2-52-14-4-243.us-east-2.compute.amazonaws.com, apiproxy-api-fast-vpc0-nlb-41a65773b29b9841.elb.us-east-2.amazonaws.com, ec2-18-118-127-196.us-east-2.compute.amazonaws.com plus two other host names have IP numbers in common with api.fast.com.