How is mioffice.cn?

Be careful risk 30/100

No valid HTTPS certificate, the site did not answer (OSError).

Why

02050100

finecarefulhigh risk

+10The registry did not report a usable creation date.
+20No valid HTTPS certificate.

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

Site

down

OSError

HTTPS

invalid

Could not resolve host (ENODATA)

Age

creation date not reported

Blocklists

listings across 2 lists

Everything we looked at

DNS records2 record types

NS	ns4.dnsv4.com ns3.dnsv4.com
TXT	r6rl9z68lmjdt6vhs1549rrh9ygvjbkl gsbqbn32tsj219hs7gj84re6ft v=spf1 include:spf_bj.mxmail.xiaomi.com include:spf_hk.mxmail.xiaomi.com -all oquvdo8fjom1t6imgt5c08uu13 k1eufga2iuq9kh4mvjr9426me3 r1vwn769ljsjlzyc69mjs88dnmmcpt8w

Registration厦门易名科技股份有限公司

registrar	厦门易名科技股份有限公司
nameservers	ns3.dnsv4.com ns4.dnsv4.com
status	clientTransferProhibited

HTTPS certificatenot valid

valid	no
problem	Could not resolve host (ENODATA)

DNSSECinsecure

Domain is not signed with DNSSEC

. → cn → mioffice.cn

Email authenticationpoor

SPF	pass `v=spf1 include:spf_bj.mxmail.xiaomi.com include:spf_hk.mxmail.xiaomi.com -all`
DMARC	none
DKIM	none of 1 common selectors

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

Security scoregrade C · 110/190

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

15/45missing: CAA Records, DMARC Record, DKIM Presence

Advanced Security

5/25missing: Mail Server Configuration, SOA Record Configuration, IPv6 Support

Domain Reputation

35/35

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 2 lookups

SURBL MultidomainURIBL Multidomain

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=mioffice.cn" \ -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=mioffice.cn"

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

Watch mioffice.cn. 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