HOW.IS
?

How is iscorp.com?

Looks fine risk 0/100

Registered 33 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 264 ms.

Why

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

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

How iscorp.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
264 ms · ends at www.iscorp.com
HTTPS
32 d
left on a Let's Encrypt certificate
Age
33 years
registered 1994-04-28
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A141.193.213.10
MX0 iscorp-com.mail.protection.outlook.com
NSkonnor.ns.cloudflare.com
mckenzie.ns.cloudflare.com
TXTatlassian-sending-domain-verification=95721b29-9c74-44b9-ace3-70078771f0b4
1password-site-verification=ARTL7H6TSFCRRNQQ2AFKC5VFEA
zoho-verification=zb48533882.zmverify.zoho.eu
zoho-verification=zb52709359.zmverify.zoho.com
_vttpxisvlehocxb3otq3y3jn4zfj3al
site24x7-domain-verification=a476e0466e4deea2fb3e5f2e1c7e4589
00DfL000001mf1Y=1TBPe0000000Ldx
MS=ms32720306
sophos-domain-verification=b78766bab04e228bfc9cad8d5ec913bdd775bbf65b9ee6c3baa2890d05e33997
gdnh0t67cijrs020uf39uj164u
at1otugc12sbkut0r4v09oe59e
zoho-verification=zb77185594.zmverify.zoho.com
nj6qgoumo2e2lnkfo88bs782n0
ltsvl3ef7qh0kqauuurihq3cnu
5j1k1cvu1luda4pr8s4pe0kl9n
_4mbqnq09s3nw97u1l1abdyn6sbel7wd
anthropic-domain-verification-mm1nc0=ancD35jOX7aVaV3l8plXeUzYX
v=spf1 include:spf.protection.outlook.com include:one.zoho.com ip4:66.195.143.0/24 ip4:64.132.91.0/24 ip4:69.211.135.0/24 ip4:8.12.72.0/24 include:spfa.cpmails.com include:spf-us.emailsignatures365.com include:_spf.psm.knowbe4.com -all
have-i-been-pwned-verification=dweb_kosuzacby1in1sewsgc8dwvt
zoho-verification=zb93187825.zmverify.zoho.com
atlassian-domain-verification=J9ZItpd7aLysb/rabRJzINYFSKACNfRhKKnvsVdD7xQfaLCG/3pLzj5iUSc1N9XO
MS=ms29068681
RegistrationNetwork Solutions, LLC
registrarNetwork Solutions, LLC
registered1994-04-28
expires2031-04-29
last changed2026-02-28
ownerhidden by privacy service
nameserverskonnor.ns.cloudflare.com
mckenzie.ns.cloudflare.com
statusclient transfer prohibited
registered 1994-04-28expires 2031-04-29
HTTPS certificate32 days left
validyes
issuerLet's Encrypt
coversiscorp.com
protocolTLSv1.3
issued 2026-09-01expires 2026-11-30
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → iscorp.com
Email authenticationgood
SPFpass v=spf1 include:spf.protection.outlook.com include:one.zoho.com ip4:66.195.143.0/24 ip4:64.132.91.0/24 ip4:69.211.135.0/24 ip4:8.12.72.0/24 include:spfa.cpmails.com include:spf-us.emailsignatures365.com include:_spf.psm.knowbe4.com -all
DMARCwarning policy none
DKIMfound: default, selector1, selector2

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

Security scoregrade C · 143/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
23/45missing: CAA Records, DMARC Record, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop141.193.213.10Barracuda141.193.213.10UCEPROTECT Level 1141.193.213.10

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=iscorp.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=iscorp.com"

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

Watch iscorp.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