DNS Coffee ☕
Zone

unicom active

First Seen Feb 05, 2016 · First Import Feb 19, 2019 · Last Import Nov 08, 2026 · Type generic · Operator China United Network Communications Corporation Limited · DNSSEC Signed since before Sep 05, 2019

Also indexed as: Domain

4
Domains
2,817
Zone Imports
8
Current Nameservers
10
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 8
Name First Seen Domains
f.zdnscloud.cn Dec 13, 2024 24
i.zdnscloud.cn Dec 13, 2024 24
b.zdnscloud.cn Dec 13, 2024 24
a.zdnscloud.cn Dec 13, 2024 24
d.zdnscloud.com Jun 11, 2019 24
g.zdnscloud.com Jun 11, 2019 22
j.zdnscloud.com Jun 11, 2019 24
c.zdnscloud.com Jun 11, 2019 24
Past Nameservers 10
Name First Seen Last Seen Domains
i.zdnscloud.com Jun 11, 2019 Dec 12, 2024 0
a.zdnscloud.com Jun 11, 2019 Dec 12, 2024 0
f.zdnscloud.com Jun 11, 2019 Dec 12, 2024 0
b.zdnscloud.com Jun 11, 2019 Dec 12, 2024 0
ns2.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns1.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns6.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns3.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns4.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns5.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
Sample Current Domains 0
No domains have been added to this zone recently.
The most recently added of the 4 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 466 serials
Primary NSa.zdnscloud.com
Mailboxtd_dns_gtld.knet.cn.
Serial1369971255
Refresh3 hours
Retry1 hour
Expire14 days
Minimum TTL1 hour
Show 10 recent serial changes
SerialFirst SeenLast Seen
1369971254 Nov 04, 2026 Nov 04, 2026
1369971253 Nov 02, 2026 Nov 03, 2026
1369971252 Oct 24, 2026 Nov 01, 2026
1369971251 Oct 23, 2026 Oct 23, 2026
1369971250 Oct 22, 2026 Oct 22, 2026
1369971249 Oct 13, 2026 Oct 21, 2026
1369971248 Oct 12, 2026 Oct 12, 2026
1369971247 Oct 10, 2026 Oct 11, 2026
1369971246 Oct 01, 2026 Oct 09, 2026
1369971245 Sep 30, 2026 Sep 30, 2026
DNSSEC signed

Signed since before Sep 05, 2019. (zone file as of Nov 08, 2026)

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

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAa2WU0tl7cY1V+jSx4PfEC7OddnXfuUcG725Z4q/5oydm3UZmB2wmnXPSXwsuwHKy8Z8abiwqDHPTjgwSGT5nCC8BqQuj008g/H5zLFBZe69ILv27KIpMgckEGg4paY3/j0U6yciRLFlUFgZ9yBN/ddWmXRkt69nuuTjQBrh7RchZnf9yrVylacTCdaYniD3Z5IN5OQvXh2V9geNXp/6bu1S+otbOl0iznhs54CdxJXWtCxSb6diqUlyAhyxwv2VH4SuTjkgUzOyxQt5BSBR47KS5O83xbUk018zrbBCiI+Mz9qmECRg9wtN3Sq0dc7/Tvye0fckEc88If0ep9kYVk8=
 Dec 27, 2022
ZSK RSA/SHA-256
showAwEAAckh2dO7RGri0SPAelG+7MkLuUu7CnwTUA1NFygWr+cdImhDGbM2LPuomo7w7++whMsQD5efSAcd+3nfKANttrvkggFg3+0g2YZ9Ipb4jqrDM6quODPkdNQrBF4f+v8sI/PdzEUTI9RxpnYlMC8qPlyQYxGRJOo/5gPYTBoStXWZ
 Aug 26, 2026
SignsKey TagSignerExpires
DNSKEY 28037 unicom Nov 18, 2026
SOA 39226 unicom Nov 18, 2026
28 retired DNSKEYs no longer published.