DNS Coffee ☕
Zone

cn active

First Seen before tracking · First Import Dec 03, 2019 · Last Import Sep 05, 2020 · Type country-code · Operator China Internet Network Information Center (CNNIC) · DNSSEC Signed since before Dec 03, 2019

Also indexed as: Domain

17,976,250
Domains
278
Zone Imports
6
Current Nameservers
2
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 6
Name First Seen Domains
c.dns.cn Before Apr 11, 2011 90
ns.cernet.net Before Apr 11, 2011 2
a.dns.cn Before Apr 11, 2011 90
d.dns.cn Before Apr 11, 2011 87
b.dns.cn Before Apr 11, 2011 90
e.dns.cn Before Apr 11, 2011 87
Past Nameservers 2
Name First Seen Last Seen Domains
f.dns.cn Feb 01, 2018 Jun 17, 2023 87
g.dns.cn Feb 01, 2018 Jun 17, 2023 87
Sample Current Domains 0
No domains have been added to this zone recently.
The most recently added of the 17,976,250 domains in this zone, up to 50 — full lists via the API.
Sample Past Domains 0
No domains have left this zone recently.
The most recently removed domains that were in this zone and no longer are, up to 50 — full lists via the API.
SOA 278 serials
Primary NSa.dns.cn
Mailboxroot.cnnic.cn.
Serial2027056661
Refresh2 hours
Retry1 hour
Expire28 days
Minimum TTL6 hours
Show 10 recent serial changes
SerialFirst SeenLast Seen
2027052279 Sep 04, 2020 Sep 04, 2020
2027047897 Sep 03, 2020 Sep 03, 2020
2027042506 Sep 02, 2020 Sep 02, 2020
2027037072 Sep 01, 2020 Sep 01, 2020
2027032702 Aug 31, 2020 Aug 31, 2020
2027027959 Aug 30, 2020 Aug 30, 2020
2027024008 Aug 29, 2020 Aug 29, 2020
2027019772 Aug 28, 2020 Aug 28, 2020
2027011765 Aug 27, 2020 Aug 27, 2020
2027006878 Aug 26, 2020 Aug 26, 2020
Records Browse all

Catch-all zone-file records indexed under this zone, by type.

CNAME 10,752 TXT 3
DNSSEC signed

Signed since before Dec 03, 2019.

Signed domains: 578 · DS records: 626 (as of Jul 30, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAd4vztGWGI+qShKPs9MaXFqZIDgcnoUh59OnUHOi7w67q5oMXynRF2W1nyfg9RPV7ZY7oR2IaDm3/avBMUYokFLsyE8NavUfZORhoN0hnC6dRiv8VrYDCjj5VSh7kwk157mm3BxLn1XTs9Jys44bJ17fNxNjS4AGdUa94pOdGPTycSeJ76dUtWp8jz9ffborCWvsXtp3AsEJs7eFAmOJIqllE3gl4w2GmEKaq+AdYG7j1T5uWVg+sIZ1GCofi/+1ml6U588bqKzUSkjA4Gn+ZoLToviPSYAIC2/KeEYt1RYzUc3H72ScM+Kv2o+ZtC2YRSmrnVGqcSTriysYdlzmU7c=
 before Dec 03, 2019
ZSK RSA/SHA-256
showAwEAAaxMabJOjpV+ccAKgWjP1UBfVBN+VCFu92scQydffI3tNiFJ35GHGV8ktSQn72LYgMHUlibAX10D5a8BR2+6RSA6pUNIMnUuLwMAa03avcbvQcX8eG+C3Ys3VBi6sYMw7hXlxhZHMq9GPtsXtOjZfm9DAe7rz7T1pO5M0YniheXR
 before Dec 03, 2019
SignsKey TagSignerExpires
SOA 38388 cn Oct 05, 2020
DNSKEY 57724 cn Sep 26, 2020
DNSKEY 38388 cn Sep 26, 2020
Signature incidents (1)

Periods this zone served no valid signature for some apex type (SOA or DNSKEY), by day.

StartEndDays
Sep 27, 2020 ongoing 2,132