How is itmedia.co.jp?

Looks fine risk 0/100

Registered 21 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 796 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

796 ms · ends at www.itmedia.co.jp

HTTPS

194 d

left on a Amazon certificate

Age

21 years

registered 2005-06-13

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	52.199.172.160 52.193.246.164
MX	10 anymx02.itmedia.co.jp
NS	ns-1227.awsdns-25.org ns-1806.awsdns-33.co.uk ns-909.awsdns-49.net ns-99.awsdns-12.com
TXT	v=spf1 a:spf.itmedia.co.jp a:spf-magfire.itmedia.co.jp +ip4:113.35.66.0/24 a:spf-sgp.itmedia.co.jp ~all d8cc92269c2a4be0e690a96c007683ec.itmedia.co.jp pardot427772=514b422fa508c922765af22d0adcf3c560a058fd2d1a6889ee1053baac8a24c6 pardot_291242_*=9f9ade131ab0deaadeb93b0e0256e74ac2c0f00e3142e8579c012715c5054dc1

Registrationregistrar not reported

registered	2005-06-13
expires	2027-06-30
last changed	2026-07-01
owner	ITmedia Inc.
nameservers	ns-99.awsdns-12.com ns-1806.awsdns-33.co.uk ns-1227.awsdns-25.org ns-909.awsdns-49.net
status	Connected (2027/06/30)

registered 2005-06-13expires 2027-06-30

HTTPS certificate194 days left

valid	yes
issuer	Amazon
covers	itmedia.co.jp, .itmedia.co.jp, .sys.itmedia.co.jp, .api.itmedia.co.jp, .office.itmedia.co.jp
protocol	TLSv1.2

issued 2026-10-26expires 2027-05-11

DNSSECinsecure

Domain is not signed with DNSSEC

. → jp → co.jp → itmedia.co.jp

Email authenticationfair

SPF	pass `v=spf1 a:spf.itmedia.co.jp a:spf-magfire.itmedia.co.jp +ip4:113.35.66.0/24 a:spf-sgp.itmedia.co.jp ~all`
DMARC	warning policy none
DKIM	none of 1 common selectors

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

Security scoregrade B · 153/205

Basic Security

20/40missing: DNSSEC Enabled

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 · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop52.199.172.160Barracuda52.199.172.160UCEPROTECT Level 152.199.172.160SpamCop52.193.246.164Barracuda52.193.246.164UCEPROTECT Level 152.193.246.164

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=itmedia.co.jp" \ -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=itmedia.co.jp"

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

Watch itmedia.co.jp. 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