How is crashlytics.com?

Looks fine risk 0/100

Registered 16 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 304 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

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

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

200

304 ms · ends at firebase.google.com

HTTPS

56 d

left on a Google Trust Services certificate

Age

16 years

registered 2011-01-21

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	216.239.32.29
MX	0 smtp.google.com
NS	ns4.google.com ns2.google.com ns3.google.com ns1.google.com
TXT	v=spf1 include:_spf.google.com ~all
CAA	{'type': 'CAA', 'issue': 'pki.goog', 'critical': 0}

RegistrationMarkMonitor Inc.

registrar	MarkMonitor Inc.
registered	2011-01-21
expires	2027-01-21
last changed	2025-12-20
owner	REDACTED FOR PRIVACY
nameservers	ns1.google.com ns2.google.com ns3.google.com ns4.google.com
status	client delete prohibited client transfer prohibited client update prohibited

registered 2011-01-21expires 2027-01-21

HTTPS certificate56 days left

valid	yes
issuer	Google Trust Services
covers	crashlytics.com, *.crashlytics.com
protocol	TLSv1.3

issued 2026-09-28expires 2026-12-21

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → crashlytics.com

Email authenticationexcellent

SPF	pass `v=spf1 include:_spf.google.com ~all`
DMARC	pass policy reject
DKIM	found: google

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

Security scoregrade B · 160/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

45/45missing: DKIM Presence

Advanced Security

10/25missing: Mail Server Configuration, SOA Record Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 5 lookups

SURBL MultidomainURIBL MultidomainSpamCop216.239.32.29Barracuda216.239.32.29UCEPROTECT Level 1216.239.32.29

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=crashlytics.com" \ -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=crashlytics.com"

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

Watch crashlytics.com. 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