HOW.IS
?

How is fastly.net?

Looks fine risk 0/100

Registered 16 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 73 ms.

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

How fastly.net looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
73 ms · ends at www.fastly.com
HTTPS
10 d
left on a Certainly certificate
Age
16 years
registered 2011-04-18
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A151.101.1.6
151.101.65.6
151.101.129.6
151.101.193.6
AAAA2a04:4e42:200::262
2a04:4e42:600::262
2a04:4e42:400::262
2a04:4e42::262
MX10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
NSns4.fastly.net
ns1.fastly.net
ns3.fastly.net
ns2.fastly.net
TXT_globalsign-domain-verification=hxcKdBZZzwGAaejvvU8jQ9BRrd_NgOWG_NnMnrassn
v=spf1 -all
CAA{'type': 'CAA', 'iodef': 'mailto:security@fastly.com', 'critical': 0}
{'type': 'CAA', 'issue': 'certainly.com;validationmethods=dns-01', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org;validationmethods=dns-01', 'critical': 0}
{'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0}
RegistrationMarkMonitor Inc.
registrarMarkMonitor Inc.
registered2011-04-18
expires2027-04-18
last changed2026-09-01
ownerREDACTED FOR PRIVACY
nameserversns1.fastly.net
ns2.fastly.net
ns3.fastly.net
ns4.fastly.net
statusclient delete prohibited
client transfer prohibited
client update prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 2011-04-18expires 2027-04-18
HTTPS certificate10 days left
validyes
issuerCertainly
coversfastly.net, www.fastly.net
protocolTLSv1.2
issued 2026-10-06expires 2026-11-05
DNSSECinsecure

Domain is not signed with DNSSEC

. → net → fastly.net
Email authenticationexcellent
SPFpass v=spf1 -all
DMARCpass policy quarantine
DKIMfound: google

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade B · 170/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
45/45missing: DKIM Presence
Advanced Security
20/25missing: SOA Record Configuration
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 14 lookups
SURBL MultidomainURIBL MultidomainSpamCop151.101.65.6Barracuda151.101.65.6UCEPROTECT Level 1151.101.65.6SpamCop151.101.129.6Barracuda151.101.129.6UCEPROTECT Level 1151.101.129.6SpamCop151.101.1.6Barracuda151.101.1.6UCEPROTECT Level 1151.101.1.6SpamCop151.101.193.6Barracuda151.101.193.6UCEPROTECT Level 1151.101.193.6

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=fastly.net" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=fastly.net"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on fastly.net. Reference: /llms.txt.

Watch fastly.net. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days