How is americanexpress.com?

Looks fine risk 0/100

Registered 31 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 97 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

97 ms · ends at www.americanexpress.com

HTTPS

142 d

left on a DigiCert Inc certificate

Age

31 years

registered 1995-06-04

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	23.13.149.244
MX	10 mx0b-0023b801.pphosted.com 10 mx0a-0023b801.pphosted.com
NS	a9-65.akam.net a24-67.akam.net a13-65.akam.net a1-196.akam.net a8-64.akam.net a22-66.akam.net
TXT	google-site-verification=EQlwnW4GMge07fKpyFPTHu5nWUdHGAJDmrUmB8bhi5g 00d4w000001wvb0uag 00da0000000hlilma4 facebook-domain-verification=5t5jnj7o0bh7cf6h2pxxjwg0ltlw3j v=spf1 ip4:63.241.217.23 ip4:74.125.149.0/24 ip4:74.125.150.0/24 ip4:66.119.44.14 ip4:66.119.44.13 ip4:66.244.67.0/24 ip4:199.3.18.4 ip4:148.173.88.0/26 ip4:148.173.96.128/26 -all facebook-domain-verification=1iv6o6lnefss8petsvgqew0cafqz6p OSSRH-61504 apple-domain-verification=TX9__9cGbRTolbaJRZ94euAiIGHkz6b6a1_7cy_bGk8 iI4t08IsaGI0nwiRkjvUTj2bsVpTUbgIg6BNm0aPMzI= vjkdhsiomklp

RegistrationCSC Corporate Domains, Inc.

registrar	CSC Corporate Domains, Inc.
registered	1995-06-04
expires	2027-06-03
last changed	2026-05-30
owner	American Express Travel Related Services Company, Inc.
nameservers	a1-196.akam.net a13-65.akam.net a22-66.akam.net a24-67.akam.net a8-64.akam.net a9-65.akam.net
status	client transfer prohibited server delete prohibited server transfer prohibited server update prohibited

registered 1995-06-04expires 2027-06-03

HTTPS certificate142 days left

valid	yes
issuer	DigiCert Inc
covers	www.americanexpress.com, americanexpress.com, amexmobile.com, amexsavings.com, personalsavings.com, www.personalsavings.americanexpress.com, www.personalsavings.com
protocol	TLSv1.3

issued 2026-09-07expires 2027-03-24

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → americanexpress.com

Email authenticationgood

SPF	pass `v=spf1 ip4:63.241.217.23 ip4:74.125.149.0/24 ip4:74.125.150.0/24 ip4:66.119.44.14 ip4:66.119.44.13 ip4:66.244.67.0/24 ip4:199.3.18.4 ip4:148.173.88.0/26 ip4:148.173.96.128/26 -all`
DMARC	pass policy reject
DKIM	none of 1 common selectors

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

Security scoregrade B · 155/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, 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 MultidomainSpamCop23.13.149.244Barracuda23.13.149.244UCEPROTECT Level 123.13.149.244

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=americanexpress.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=americanexpress.com"

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

IPv6. Does americanexpress.com work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch americanexpress.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