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Total

DNS

Email

Security

Network

100

Availability

Domainfastly.com

IPv44

IPv64

MX records5

StatusActive

Domain technical report

Powering the best of the internet | Fastly

fastly.com

Fastly's edge cloud platform delivers faster, safer, and more scalable sites and apps to customers. Elevate your edge CDN, video delivery, security, and more.

Generated: 2026-08-09T02:43:15-05:00 · Cached result

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IPv44

IPv64

MX5

NS8

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

4 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

8 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

26 day(s) remaining.

Certificate lifetime6 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

4 record(s)

151.101.1.57
151.101.65.57
151.101.129.57
151.101.193.57

AAAA

4 record(s)

2a04:4e42:200::313
2a04:4e42:400::313
2a04:4e42::313
2a04:4e42:600::313

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

30 aspmx2.googlemail.com.
30 aspmx3.googlemail.com.
10 aspmx.l.google.com.
20 alt2.aspmx.l.google.com.
20 alt1.aspmx.l.google.com.

TXT

22 record(s)

"_globalsign-domain-verification=Om8i6ZW5leojQ3EoMlITfDWE8mARIOyXkdjGp4f1AL"
"MS=ms21516267"
"drift-domain-verification=cac9c53e6dcc8cfe8cadbbb83cb1b0b72a378ca58768fe368358e0a821a76c85"
"atlassian-domain-verification=f0mlpbKMfaymWOzYknOWLAQ0a/f/hZbXof90UdM3pL2THIvc/nkCUTDoJusXl4kc"
"MS=8DDEF0C8F0796A9B5250EF7D2BB6DE03C4556F6F"
"h1-domain-verification=tGLFu9vLa6oeUKtYgq3qPnbvWu43DZVdz1YQDXoNNFmSVn1Z"
"facebook-domain-verification=a5cr1f2db64tpngjvytpxe4u65sjtm"
"stripe-verification=a972553ccbc9121d3b1416aab829c8ee444e4f8bc38729e4ac75623c52b55ab3"
"15c37408-29ae-4d52-8aac-c6f4d94fdcb7"
"onetrust-domain-verification=ca990b1356924ce6a8f3db2b26470479"
"mongodb-site-verification=emnlNQxedQspl3GSh4ZJP0LoDGoi07XT"
"docusign=b0d8d38f-fd39-4bf0-b916-609c0bd56e29"
"stripe-verification=b4b73bc8e56f0a7589ea23d1e9e2214cd20fff1c95bc1db244483af60d2a42f9"
"miro-verification=208c007cde2d4cda11ee84c49848d8b7074fba31"
"google-site-verification=PBhH4HrDEbENmggTOryS2QsbDGhnb9zc583U0CqYrm8"
"google-site-verification=93VjX3_sU9GM8VT_CBXHZvR1iRfWxDD8uVs-qcM-fa4"
"google-site-verification=XIAH8ONJreWlh9Y70OdOpJEOEJ2v2GQREV2tqq1CIRs"
"dropbox-domain-verification=6qxhbsnj6ptn"
"google-site-verification=r1uB8RIEL2lLC3Swp4-QBDrN-i9g-AK9YEjPUJN_6xU"
"status-page-domain-verification=1wdlfc768ch8"
"v=spf1 ip4:192.254.122.132 ip4:199.27.72.0/21 ip4:168.245.55.99 include:_spf.google.com include:stspg-customer.com include:mail.zendesk.com include:_spf.salesforce.com -all"
"anthropic-domain-verification-90vjex=Jq3F6Vxk4FRdOFNIOSOq3NjDS"

NS

8 record(s)

edns1.ultradns.net.
oak.fastlydns.dev.
ns-cloud-a2.googledomains.com.
ns-cloud-a1.googledomains.com.
oak.fastlydns.com.
edns1.ultradns.com.
oak.fastlydns.org.
oak.fastlydns.net.

SOA

1 record(s)

edns1.ultradns.com. hostmaster.fastly.com. 2023023146 3600 600 604800 60

CAA

6 record(s)

0 iodef "mailto:security@fastly.com"
0 issue "letsencrypt.org"
0 issue "amazonaws.com"
0 issue "certainly.com"
0 issue "digicert.com"
0 issue "globalsign.com"

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:192.254.122.132 ip4:199.27.72.0/21 ip4:168.245.55.99 include:_spf.google.com include:stspg-customer.com include:mail.zendesk.com include:_spf.salesforce.com -all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:mailauth-reports@fastly.com,mailto:dmarc_agg@vali.email;

DKIM

Selector google

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJZIAA2d7TQV8PRzBemZkXYIRToU5w/VaAyGHpJ0BZT65Ktd9GytzSLZntDZ2A4wvWG6FZ20QzmCn5Mvw5IN8hpgo4S+vrxPLxVZz7SO/Z42qWDMcmFKjWCnyKlILD3cU8qUZ99CnCuLkdi9vULDORrqbm61CAJLAL4TKGEXeaQQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Powering the best of the internet | Fastly

Description

Fastly's edge cloud platform delivers faster, safer, and more scalable sites and apps to customers. Elevate your edge CDN, video delivery, security, and more.

Final URL

https://www.fastly.com/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.fastly.com/

Version

Server

Artisanal bits

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Certainly

www.fastly.com

Valid from

2026-08-05T15:28:03-05:00

Valid until

2026-09-04T15:28:02-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

3 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

151.101.1.57, 151.101.129.57, 151.101.193.57, 151.101.65.57

31,23 ms

Cloudflare

1.1.1.1

151.101.1.57, 151.101.129.57, 151.101.193.57, 151.101.65.57

22,32 ms

Quad9

9.9.9.9

151.101.1.57, 151.101.129.57, 151.101.193.57, 151.101.65.57

36,26 ms

OpenDNS

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

aspmx2.googlemail.com

Port 25: Closed/unreachable - 1.3 ms - 
Port 465: Closed/unreachable - 4043.3 ms - 
Port 587: Closed/unreachable - 4021.3 ms -

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