dot.bi

sina.com.cn

SPF only 15F,Ideal Plaza No.58 Bei Si Huan Xi Road com.cn
“sina” in other TLDs Compare

Registration

Source: RDAP Not available

No RDAP record was returned for this domain. Either the registry publishes no RDAP service for .cn, the domain is not registered, or the registry did not answer in time. dot.bi does not guess: no record means no registration data, not “available”.

DNS

Source: live resolutionResolved 2026-10-13 22:36 UTC
TypeValue
NSns1.sina.com.cn · ns2.sina.com.cn · ns3.sina.com.cn · ns4.sina.com.cn
A36.51.254.91
MX10 freemx1.sinamail.sina.com.cn
MX10 freemx2.sinamail.sina.com.cn
MX10 freemx3.sinamail.sina.com.cn
TXTv=spf1 include:spf.sinamail.sina.com.cn -all
SOAns1.sina.com.cn zhihao.staff.sina.com.cn serial 5

Certificates

Source: Certificate Transparency logs

No certificate for this domain has passed through the logs dot.bi follows since it started watching. Older certificates are not back-filled.

Hosting

Source: DNS + Team Cymru
IP
36.51.254.91
Network
AS37936 · SINA - 15F,Ideal Plaza No.58 Bei Si Huan Xi Road, CN
Provider
15F,Ideal Plaza No.58 Bei Si Huan Xi Road
Country
CN (network registration, not server location)
CDN
none detected
IPv6
no

Web

Source: dot.bi probe

No web data for this domain yet.

Email

Source: DNS

SPF only SPF is published but there is no DMARC policy.

Provider
com.cn
SPF
present all: fail
DMARC
missing
DKIM
not found common selectors only

Age

Source: Wayback Machine
First capture
—
Years archived
—
Registry created
—
In dot.bi since
2026-10-13 · Majestic Million

Name analysis

dot.bi dictionaries EN · FR
Words
sina EN single
Length
4 characters
Digits · hyphens
none · none
Readability
high
Brandability
100 / 100 heuristic

Same name, other TLDs

DNS check, cached a day

No check recorded yet.

History observed by dot.bi

Since 2026-10-130 events