HE
iknw.cn
Quick Links
BGP Toolkit Home
BGP Prefix Report
BGP Peer Report
Super Traceroute
Super Looking Glass
Cert Search
Exchange Report
Bogon Routes
World Report
Multi Origin Routes
DNS Report
Top Host Report
RPKI & ASPA Report
Internet Statistics
Looking Glass
Network Tools App
IPv6 Certification
IPv6 Progress
Going Native
Contribute Data
Credits
Contact Us
DNS
Certs
Website Info
IP Info
Whois
RDAP
SOA
Start of Authority
Primary NS
dns.4cun.com
Mailbox
admin.iknw.cn
Serial
1772528484
Refresh
3600
Retry
180
Expire
1209600
Minimum TTL
600
MX
Mail Exchangers
mxdomain.qq.com
10
TXT
TXT Records
4.cn-verify-463964
A
IPv4 Addresses
221.231.138.85
Certificate Transparency Statistics
Total Certificates:
0
Total Domains:
0
Query Time:
N/A
Certificate Transparency Statistics
Searching certificates...
Search Results (click row for details)
Valid From
Valid To
Status
Issuer / Serial
CT Logs
SANs
Count
IP
Domain
Hostname results link to the full Cert Search surface for deeper exploration.
Loading Website Preview...
IPs
Origin AS
Announcement
Description
221.231.138.85
AS4134
221.224.0.0/13
China Telecom Backbone
221.231.138.85
AS4134
221.231.0.0/16
China Telecom Backbone
221.231.138.85
AS137702
221.231.136.0/21
Nanjing, Jiangsu Province, P.R.China.
Loading whois...
Loading...
