How is appsflyersdk.com?

Looks fine risk 0/100

Registered 7 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 35 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

403

35 ms

HTTPS

120 d

left on a Amazon certificate

Age

7 years

registered 2019-08-05

Blocklists

listings across 5 lists

Everything we looked at

DNS records2 record types

A	13.226.238.20 13.226.238.61 13.226.238.67 13.226.238.31
NS	ns-314.awsdns-39.com ns-1430.awsdns-50.org ns-597.awsdns-10.net ns-1786.awsdns-31.co.uk

RegistrationAmazon Registrar, Inc.

registrar	Amazon Registrar, Inc.
registered	2019-08-05
expires	2029-08-05
last changed	2026-05-16
nameservers	ns-1430.awsdns-50.org ns-1786.awsdns-31.co.uk ns-314.awsdns-39.com ns-597.awsdns-10.net
status	client transfer prohibited

registered 2019-08-05expires 2029-08-05

HTTPS certificate120 days left

valid	yes
issuer	Amazon
covers	appsflyersdk.com
protocol	TLSv1.3

issued 2026-08-09expires 2027-02-22

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → appsflyersdk.com

Email authenticationpoor

SPF	none
DMARC	none
DKIM	none of 1 common selectors

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

Security scoregrade D · 105/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

0/45missing: CAA Records, SPF Record, DMARC Record, DKIM Presence

Advanced Security

10/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

25/45missing: DGA Detection, Domain Age Check

Blocklists0 listings · 14 lookups

SURBL MultidomainURIBL MultidomainSpamCop13.226.238.61Barracuda13.226.238.61UCEPROTECT Level 113.226.238.61SpamCop13.226.238.67Barracuda13.226.238.67UCEPROTECT Level 113.226.238.67SpamCop13.226.238.31Barracuda13.226.238.31UCEPROTECT Level 113.226.238.31SpamCop13.226.238.20Barracuda13.226.238.20UCEPROTECT Level 113.226.238.20

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=appsflyersdk.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=appsflyersdk.com"

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

Watch appsflyersdk.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