dot.bi

cas.cn

Protected Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) cstnet.cn
“cas” 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 23:07 UTC
TypeValue
NSns3.cstnet.cn · ns4.cstnet.cn
A159.226.242.61
AAAA2400:dd01:1017:1000::9fe2:f23d
MX5 mx.cstnet.cn
TXTv=spf1 include:spf.mail.cstnet.cn -all
SOAns1.cdns.cn mail.cnnic.cn serial 4647

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
159.226.242.61
Network
AS7497 · CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS), CN
Provider
Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Country
CN (network registration, not server location)
CDN
none detected
IPv6
yes

Web

Source: dot.bi probe

No web data for this domain yet.

Email

Source: DNS

Protected Mail is authenticated and spoofed mail is quarantined.

Provider
cstnet.cn
SPF
present all: fail
DMARC
p=quarantine reports on
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
cas FR single
Length
3 characters
Digits · hyphens
none · none
Readability
high
Brandability
90 / 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