HOW.IS
?

How is weibo.com?

Looks fine risk 0/100

Registered 28 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 2348 ms.

Why

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

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

How weibo.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
2348 ms · ends at passport.weibo.com
HTTPS
26 d
left on a DigiCert, Inc. certificate
Age
28 years
registered 1999-03-20
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A36.51.224.126
36.51.224.123
MX10 mx.sina.net
NSns3.sina.com
ns3.sina.com.cn
ns2.sina.com.cn
ns4.sina.com
ns1.sina.com.cn
ns4.sina.com.cn
TXTv=spf1 include:spf.weibo.com -all
google-site-verification=P4n0nSkaw97YPTZ_JTcVtmAnD8TzURwDaqKi8WGZSb4
RegistrationXiamen 35.com Information Co., Ltd.
registrarXiamen 35.com Information Co., Ltd.
registered1999-03-20
expires2027-03-20
last changed2026-03-21
nameserversns1.sina.com.cn
ns2.sina.com.cn
ns3.sina.com
ns3.sina.com.cn
ns4.sina.com
ns4.sina.com.cn
statusserver delete prohibited
server transfer prohibited
server update prohibited
active
registered 1999-03-20expires 2027-03-20
HTTPS certificate26 days left
validyes
issuerDigiCert, Inc.
coversweibo.cn, weibo.com, admin.event.weibo.com, api.chaohua.weibo.cn, api.t.sina.com.cn, company.admin.weibo.com, company.verified.weibo.com, i.apps.sina.cn, krcom.cn, new.vip.weibo.cn, pic.tongji.weibo.com, service.account.weibo.com
protocolTLSv1.3
issued 2026-05-07expires 2026-11-21
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → weibo.com
Email authenticationgood
SPFpass v=spf1 include:spf.weibo.com -all
DMARCpass policy reject
DKIMnone of 1 common selectors

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

Security scoregrade B · 160/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
30/45missing: CAA Records, 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 MultidomainSpamCop36.51.224.126Barracuda36.51.224.126UCEPROTECT Level 136.51.224.126SpamCop36.51.224.123Barracuda36.51.224.123UCEPROTECT Level 136.51.224.123

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=weibo.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=weibo.com"

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

Watch weibo.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