DNS Coffee ☕
Zone

unicom active

First Seen Feb 05, 2016 · First Import Feb 19, 2019 · Last Import Sep 21, 2026 · Type generic · Operator China United Network Communications Corporation Limited · DNSSEC Signed since Oct 07, 2019

Also indexed as: Domain

4
Domains
2,769
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 26
i.zdnscloud.cn Dec 13, 2024 26
b.zdnscloud.cn Dec 13, 2024 26
a.zdnscloud.cn Dec 13, 2024 26
d.zdnscloud.com Jun 11, 2019 26
g.zdnscloud.com Jun 11, 2019 24
j.zdnscloud.com Jun 11, 2019 26
c.zdnscloud.com Jun 11, 2019 26
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 454 serials
Primary NSa.zdnscloud.com
Mailboxtd_dns_gtld.knet.cn.
Serial1369971243
Refresh3 hours
Retry1 hour
Expire14 days
Minimum TTL1 hour
Show 10 recent serial changes
SerialFirst SeenLast Seen
1369971242 Sep 19, 2026 Sep 19, 2026
1369971241 Sep 18, 2026 Sep 18, 2026
1369971239 Sep 08, 2026 Sep 17, 2026
1369971238 Sep 07, 2026 Sep 07, 2026
1369971237 Aug 28, 2026 Sep 06, 2026
1369971236 Aug 27, 2026 Aug 27, 2026
1369971235 Aug 26, 2026 Aug 26, 2026
1369971234 Aug 17, 2026 Aug 25, 2026
1369971233 Aug 16, 2026 Aug 16, 2026
1369971232 Aug 06, 2026 Aug 15, 2026
DNSSEC signed

Signed since Oct 07, 2019.

Signed domains: 0 · DS records: 0 (as of Sep 21, 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 Oct 03, 2026
SOA 39226 unicom Oct 03, 2026
28 retired DNSKEYs no longer published.