How is ad-contents.jp?

Looks fine risk 0/100

Registered 11 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 797 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

797 ms

HTTPS

37 d

left on a Sectigo Limited certificate

Age

11 years

registered 2016-03-14

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	211.14.18.85
MX	10 mailforward.dnsv.jp
NS	ns-636.awsdns-15.net ns-304.awsdns-38.com ns-1522.awsdns-62.org ns-1877.awsdns-42.co.uk
TXT	v=spf1 ip4:52.199.227.187 -all

Registrationregistrar not reported

registered	2016-03-14
expires	2027-03-31
last changed	2026-04-01
owner	Ceres Inc.
nameservers	ns-1877.awsdns-42.co.uk ns-636.awsdns-15.net ns-1522.awsdns-62.org ns-304.awsdns-38.com
status	Active

registered 2016-03-14expires 2027-03-31

HTTPS certificate37 days left

valid	yes
issuer	Sectigo Limited
covers	*.ad-contents.jp, ad-contents.jp
protocol	TLSv1.2

issued 2025-11-07expires 2026-12-07

DNSSECinsecure

Domain is not signed with DNSSEC

. → jp → ad-contents.jp

Email authenticationpoor

SPF	pass `v=spf1 ip4:52.199.227.187 -all`
DMARC	none
DKIM	none of 1 common selectors

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

Security scoregrade B · 145/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

15/45missing: 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 MultidomainSpamCop211.14.18.85Barracuda211.14.18.85UCEPROTECT Level 1211.14.18.85

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=ad-contents.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=ad-contents.jp"

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

IPv6. Does ad-contents.jp work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch ad-contents.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