HOW.IS
?

How is mailchimp.com?

Looks fine risk 0/100

Registered 25 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 130 ms.

Why

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

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

How mailchimp.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
130 ms
HTTPS
80 d
left on a DigiCert Inc certificate
Age
25 years
registered 2001-06-29
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A23.39.184.105
MX5 mx2.intuit.iphmx.com
5 mx1.intuit.iphmx.com
NSa1-205.akam.net
a14-66.akam.net
a5-65.akam.net
a4-65.akam.net
a6-66.akam.net
a7-66.akam.net
TXTmandrill_verify.5xzlEj2UVG87cZHpVJCi1A
_hzhrvm90xu668iuj6wb6s6swrxpa130
facebook-domain-verification=hmwpoaxoffl9lyv7a1jag656uo66wb
digicert-domain-verification=_6g0u9nlv0mrvwb42upf06tgvu9gfum0
onetrust-domain-verification=c77e00667a61495a933ef5219a1f71db
o0m1nz3r7t
apple-domain-verification=VyVmVW02Ds1n6FQa
smartsheet-site-validation=iJlsJdcpCMM9BUovg1yWWyqVYfZZWDdx
atlassian-domain-verification=rOuxrbpoM8X0dyjve2lLYnnHEXBtmxbGzk17YgboFB62K3dXo2gnekijahD5DdOg
google-site-verification=iBzo6FrDJ3rlsGoEUXL_YNHKVreLxzetIZRuCUlnBeQ
zapier-domain-verification-challenge=7f0c4720-f8f2-4f40-b264-cb21fe731403
google-site-verification=gYGKtLPycLOsWo5xUlOOGWsvENDmTYIt1X9iE1PZEP8
apple-domain-verification=rtX1pAADNqH2UyA1vjbkylBSL92ZkTBvvFt54v3z5ck
onetrust-domain-verification=a014c8e6937e453f8448babef5311dfd
google-site-verification=kjsRysndjNMMbqiWeLDEWuFKQifOKoBTpHJWZhFwr6E
google-site-verification=qSv3r3tfEN8dtGaL1jVStrokm_jKImsl4cvgUG_6q5g
google-site-verification=HceFICpk7mLeoOmNAIxQyKx6NMEEjRlNgU_GC7UmaZI
MS=ms64719398
_4u0mlvjxxxpqyv676anx8wkajzdzk0q
_5ztv7l82u6qsfemlfu89jyhrhyho2z1
_72ru7fr8c0ncfmjg71hyedfisw40m4h
google-site-verification=ruul5w2E3u_oxPm-3xBtwAPFtTus0sysqVmIxy5frlg
zscaler-verification-42108621-10312025-7GNw9T
google-site-verification=6dAIWpnctxIKj5r1bLhn2iGED8AGy8W_17S6scTDbbw
adobe-idp-site-verification=b462bb17fbdf88e847859454079da73265c27a30a38d2c83f4a6e21a085a6d72
onetrust-domain-verification=39a9942af0b642f1b6d2129f2aeaa1cc
google-site-verification=FCp4CIH0-oOMadlYtNFvxRTI9_2zW1WDkXFR7pV8kPg
google-gws-recovery-domain-verification=48989807
docusign=a0dc4d7a-5002-4653-bb4f-959c68aa9074
digicert-verification=zp2grw3qhjdfrzqpyybxtfbpzrk266g7
MS=5D41393E1B1E2A326C6154F96B8D4EEBDC58A667
digicert-domain-verification-api=_l7n57xjtvdexvstchmg2p9g0647df5j
v=spf1 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:129.145.74.12 include:_spf.google.com include:mailsenders.netsuite.com include:_spf2.intuit.com include:_spf.qualtrics.com ip4:199.33.145.1 ip4:199.33.145.32 ip4:35.176.132.251 ip4:52.60.115.116 ~all
google-site-verification=WW0kxheERt2YHAEclRL_5DCFawde0CCdmJtXyNXS_7I
CAA{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'issue': 'amazonaws.com', 'critical': 0}
{'type': 'CAA', 'issue': 'pki.goog', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
RegistrationMarkMonitor Inc.
registrarMarkMonitor Inc.
registered2001-06-29
expires2029-06-29
last changed2024-06-21
ownerDNStination Inc.
nameserversa1-205.akam.net
a14-66.akam.net
a4-65.akam.net
a5-65.akam.net
a6-66.akam.net
a7-66.akam.net
statusclient delete prohibited
client transfer prohibited
client update prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 2001-06-29expires 2029-06-29
HTTPS certificate80 days left
validyes
issuerDigiCert Inc
coversmailchimp.com
protocolTLSv1.3
issued 2026-01-09expires 2027-01-16
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → mailchimp.com
Email authenticationexcellent
SPFpass v=spf1 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:129.145.74.12 include:_spf.google.com include:mailsenders.netsuite.com include:_spf2.intuit.com include:_spf.qualtrics.com ip4:199.33.145.1 ip4:199.33.145.32 ip4:35.176.132.251 ip4:52.60.115.116 ~all
DMARCpass policy reject
DKIMfound: google, k1

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: IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop23.34.124.97Barracuda23.34.124.97UCEPROTECT Level 123.34.124.97

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=mailchimp.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=mailchimp.com"

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

Watch mailchimp.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