How is 163.com?

Looks fine risk 0/100

Registered 29 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 4125 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

4125 ms · ends at www.163.com

HTTPS

167 d

left on a DigiCert, Inc. certificate

Age

29 years

registered 1997-09-15

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	59.111.160.244
MX	50 163mx00.mxmail.netease.com 10 163mx03.mxmail.netease.com 10 163mx01.mxmail.netease.com 10 163mx02.mxmail.netease.com
NS	ns3.nease.net ns5.nease.net ns8.166.com ns6.nease.net ns4.nease.net ns2.166.com ns1.nease.net
TXT	57c23e6c1ed24f219803362dadf8dea3 0hz8zn8jpkr3vffgll8hnd6j873bzvsg facebook-domain-verification=kqgnezlldheaauy9huiesb3j2emhh3 qdx50vkxg6qpn3n1k6n1tg2syg5wp96y v=spf1 include:spf.mail.163.com -all google-site-verification=hRXfNWRtd9HKlh-ZBOuUgGrxBJh526R8Uygp0jEZ9wY

RegistrationMarkMonitor Information Technology (Shanghai) Co., Ltd.

registrar	MarkMonitor Information Technology (Shanghai) Co., Ltd.
registered	1997-09-15
expires	2027-09-14
last changed	2023-09-22
owner	REDACTED FOR PRIVACY
nameservers	ns1.nease.net ns2.166.com ns3.nease.net ns4.nease.net ns5.nease.net ns6.nease.net ns8.166.com
status	client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited

registered 1997-09-15expires 2027-09-14

HTTPS certificate167 days left

valid	yes
issuer	DigiCert, Inc.
covers	*.163.com, 163.com
protocol	TLSv1.2

issued 2026-09-25expires 2027-04-11

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → 163.com

Email authenticationfair

SPF	pass `v=spf1 include:spf.mail.163.com -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: SOA Record Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 5 lookups

SURBL MultidomainURIBL MultidomainSpamCop59.111.160.244Barracuda59.111.160.244UCEPROTECT Level 159.111.160.244

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=163.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=163.com"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on 163.com. Reference: /llms.txt.

Watch 163.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