DNS Coffee ☕
Zone

tw.cn active

First Seen before tracking · First Import Dec 06, 2019 · Last Import Sep 05, 2020 · Type public-suffix · Operator icann · DNSSEC Signed since before Dec 06, 2019

Also indexed as: Domain

1,393
Domains
275
Zone Imports
8
Current Nameservers
0
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 8
Name First Seen Domains
a.dns.cn Before Dec 06, 2019 90
b.dns.cn Before Dec 06, 2019 90
c.dns.cn Before Dec 06, 2019 90
cns.cernet.net Before Dec 06, 2019 78
d.dns.cn Before Dec 06, 2019 87
e.dns.cn Before Dec 06, 2019 87
f.dns.cn Before Dec 06, 2019 87
g.dns.cn Before Dec 06, 2019 87
Past Nameservers 0
Name First Seen Last Seen Domains
Sample Current Domains 0
No domains have been added to this zone recently.
The most recently added of the 1,393 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 267 serials
Primary NSa.dns.cn
Mailboxroot.cnnic.cn.
Serial2025267835
Refresh2 hours
Retry1 hour
Expire28 days
Minimum TTL6 hours
Show 10 recent serial changes
SerialFirst SeenLast Seen
2025267833 Sep 04, 2020 Sep 04, 2020
2025267832 Sep 03, 2020 Sep 03, 2020
2025267830 Sep 02, 2020 Sep 02, 2020
2025267825 Sep 01, 2020 Sep 01, 2020
2025267820 Aug 31, 2020 Aug 31, 2020
2025267815 Aug 30, 2020 Aug 30, 2020
2025267811 Aug 29, 2020 Aug 29, 2020
2025267810 Aug 28, 2020 Aug 28, 2020
2025267803 Aug 27, 2020 Aug 27, 2020
2025267800 Aug 26, 2020 Aug 26, 2020
Records Browse all

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

TXT 2
DNSSEC signed

Signed since before Dec 06, 2019.

Signed domains: 0 · DS records: 0 (as of Sep 08, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAcbGi8TZzkrGQaaCaHeok+n4zU5PdRLrEFGKS1a6vN/+HK42iGpDrUPJnzk2aDB8KPoXw04PDf89u7A0VVzsZHXfx1UuC6xjnuq3D+4/2P2rTIIipRJkqsevbRZZDAzgol1DCWfat7bpNYimZS6iprZH5DN2TjL32z1YvEGnuaSZ4CSj7sOuCGToNbhHi+bdqKo7w5vmvQdID2h2UXvimy1hgJuUVqmHQ18l1Yee/W4/1EW80v9SZxZYiTt02iyVrOCKi5uI5jEo7z72jmvSPgLcU6gujxHmdVe53VutqYgHMCM0Wo8PIi3mz+3RU4KwEjvEiuB7tyrNjYemllh3wWM=
 before Dec 06, 2019
ZSK RSA/SHA-256
showAwEAAbLJm3WbiU1lBfNst5qj2jOY4C9Oi1mz8ldNhsqiN//yhKo1giyj5JF3F1wOtu5zB1Qdqj1IAcshQSHDp8ooBK77iyfLrsSoxyiKhYNK5V31FnzQNZKvpwaJ7k0Duev7AlEBsOeaJMV/x8SS/teRUXR1q2FI5WNI/yHY4yzhjCm7
 before Dec 06, 2019
SignsKey TagSignerExpires
SOA 54306 tw.cn Oct 05, 2020
DNSKEY 54306 tw.cn Sep 27, 2020
DNSKEY 38566 tw.cn Sep 27, 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 2,173