HOW.IS
?

How is stackadapt.com?

Looks fine risk 0/100

Registered 13 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 60 ms.

Why

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

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

How stackadapt.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
60 ms · ends at www.stackadapt.com
HTTPS
43 d
left on a Let's Encrypt certificate
Age
13 years
registered 2013-12-30
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A34.204.55.14
MX10 ca-smtp-inbound-1.mimecast.com
10 ca-smtp-inbound-2.mimecast.com
NSns-263.awsdns-32.com
ns-926.awsdns-51.net
ns-1201.awsdns-22.org
ns-1614.awsdns-09.co.uk
TXTpardot499541=79aabb0b2711a1031ce46a11c6a486e22ab82ef38549f863fceddf8c8b4e7068
atlassian-domain-verification=IMfSZ8BIdQyY0u4ytaLzvTuIjBgJSgCkViGirD78SQOPx5LCSmTs64V5d4orQGMD
uber-domain-verification=7cdc360b-2df0-44af-81a7-fe8d835497b5
hubspot-developer-verification=MzU1MzYwZGEtYjJkZC00ZTMzLWFjZGEtZWQ1ZTMxOTUwNGJi
qase-61886ab5d9605320f8caf12a002822f6ef156b62
google-site-verification=yitZufVFJmZwF8vMJYTW5gR09b0XDWS2aplXtcI1xYE
MS=ms83006268
apple-domain-verification=Hg711FaPxZki8RqI
hubspot-domain-verification=MTJlMDRiMjgtMWY4NS00MDA3LTliNTItNDQ4YTEzYzkzZmM5
cursor-domain-verification-5wy6w1=0hPz4tz2UgedGjPChSHhbfLDs
v=spf1 include:_spf.stackadapt_com._d.easydmarc.pro -all
anthropic-domain-verification-vd7vw0=h4N2RUxrFDoqPmD3yEAM6FrcT
v=DMARC1; p=quarantine; rua=mailto:data@stackadapt.com
google-site-verification=eNGX_XxNVese-abXacD7_pa1PG8c1hz0bIaud_Cw1Vk
stripe-verification=340d8ac28cfd1aa0863be136158089eff3262d5dbd8fa4b2697b1d1a6f1fdcf0
facebook-domain-verification=pimtz77jy1xtlx8y581sd8icry4det
parallels-domain-verification=be36b3ecb13640a787e3c0795e447930243b36cb72b5452a96c4186879263e33
adobe-idp-site-verification=ec5b7f2620fcd55228c6d156085e1cafc41dd89a954a7aa8def739e2db576636
pendo-domain-verification=74645da0-2fe2-4b36-9364-f7bcc954da44
stripe-verification=fd49acdaacc870c36664517a494338e2baa7e14cec93a7f6a96cdc0fcd0b11eb
google-site-verification=edAGRCFn8PqK_CfQfv4crXIiRX3hoq14Vd-wx9V85YA
stripe-verification=9de76bc39a48dfd2fc861e88e927c3d9ca4415a865821344b5073f1b0a219aa1
openai-domain-verification=dv-mnu53mwtt9DGrv9w37mayJQk
smartsheet-site-validation=Os8o-bVtvGvfYihYZ0kQ77mlMgg1AUYp
uber-domain-verification=10b877cd-9a2a-4bc9-913c-8f193107e378
google-site-verification=TZ376H206hTC33IlT9pbdj6Ik7ALIociUTQ9EMcrWL0
stripe-verification=6face72bea904ec77fd59d778082de7e4d4da9447d8c53bd0023d4c4fbbf02e8
zapier-domain-verification-challenge=15194830-240c-4000-b3f5-6b7f8978259b
google-site-verification=29zITMWToNeBRXWEZ7UicrrOaKWRHCJLUw88RzsnDsc
google-site-verification=LUcAPqMOQEM-3P824DS3IauidnWNPujwDmBBE-ZNn4M
CAA{'type': 'CAA', 'critical': 0, 'issuewild': 'comodoca.com'}
{'type': 'CAA', 'issue': 'comodoca.com', 'critical': 0}
{'type': 'CAA', 'issue': 'amazontrust.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'letsencrypt.org'}
{'type': 'CAA', 'issue': 'comodo.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'comodo.com'}
{'type': 'CAA', 'critical': 0, 'issuewild': 'amazon.com'}
{'type': 'CAA', 'iodef': 'mailto:ssl@stackadapt.com', 'critical': 0}
{'type': 'CAA', 'issue': 'awstrust.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'awstrust.com'}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
{'type': 'CAA', 'issue': 'amazon.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'amazontrust.com'}
{'type': 'CAA', 'issue': 'amazonaws.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'amazonaws.com'}
RegistrationGandi SAS
registrarGandi SAS
registered2013-12-30
expires2030-12-30
last changed2026-02-12
ownerCollective Roll
nameserversns-1201.awsdns-22.org
ns-1614.awsdns-09.co.uk
ns-263.awsdns-32.com
ns-926.awsdns-51.net
statusclient transfer prohibited
registered 2013-12-30expires 2030-12-30
HTTPS certificate43 days left
validyes
issuerLet's Encrypt
coversstackadapt.com
protocolTLSv1.3
issued 2026-09-11expires 2026-12-10
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → stackadapt.com
Email authenticationexcellent
SPFpass v=spf1 include:_spf.stackadapt_com._d.easydmarc.pro -all
DMARCpass policy reject
DKIMfound: google, s1, s2

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

Security scoregrade A · 180/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
45/45missing: DKIM Presence
Advanced Security
20/25missing: IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop34.204.55.14Barracuda34.204.55.14UCEPROTECT Level 134.204.55.14

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=stackadapt.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=stackadapt.com"

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

Watch stackadapt.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