~/dnsniffer/issuers/xserver·rank #220
▸ How many domains does XServer secure?
1
active domains whose current TLS certificate was issued by XServer, as of - 0.00% of all attributed domains.
# rank #220 of all CAs# all records held: 1# subdomains: 0# intermediates: 1# Japan
~/issuers/xserver/history·active domains
1
domains secured by XServer on 2026-10-31 · ▲ +0 (+0.00%) since 2026-10-31
# y-axis starts at 0, not zero - domain counts move by fractions of a percent a day.
# change over time
30 days
-
90 days
-
1 year
-
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| XServer RSA Domain Validation Secure Server CA | Japan | 1 |
# faq
- ? How many domains does XServer secure?
- XServer is the certificate authority for 1 active domains as of October 31, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is XServer gaining or losing market share?
- We do not yet hold a full year of history for XServer. The chart above shows everything we have recorded so far.
- ? Which intermediate CAs does XServer sign from?
- We have seen 1 intermediates under XServer, the busiest being “XServer RSA Domain Validation Secure Server CA” with 1 domains. The full list, with per-intermediate counts, is on this page.
- ? Where does this number come from?
- DNSniffer ingests Certificate Transparency logs continuously and records the issuer of the most recent certificate seen for each domain, then snapshots the per-issuer count once a day. It measures how much of the live web a CA currently secures, not how many certificates it has issued over its lifetime.