DNS Coffee ☕
Zone

unicom active

First Seen Feb 05, 2016 · First Import Feb 19, 2019 · Last Import Jul 30, 2026 · Type generic · Operator China United Network Communications Corporation Limited · DNSSEC Signed since Oct 07, 2019

Also indexed as: Domain

4
Domains
2,716
Zone Imports
8
Current Nameservers
10
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 8
Name First Seen Domains
a.zdnscloud.cn Dec 13, 2024 26
b.zdnscloud.cn Dec 13, 2024 26
f.zdnscloud.cn Dec 13, 2024 26
i.zdnscloud.cn Dec 13, 2024 26
j.zdnscloud.com Jun 11, 2019 26
g.zdnscloud.com Jun 11, 2019 24
d.zdnscloud.com Jun 11, 2019 26
c.zdnscloud.com Jun 11, 2019 26
Past Nameservers 10
Name First Seen Last Seen Domains
a.zdnscloud.com Jun 11, 2019 Dec 12, 2024 0
b.zdnscloud.com Jun 11, 2019 Dec 12, 2024 0
f.zdnscloud.com Jun 11, 2019 Dec 12, 2024 0
i.zdnscloud.com Jun 11, 2019 Dec 12, 2024 0
ns6.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns5.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns4.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns3.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns2.dns.nic.unicom Feb 05, 2016 Jun 10, 2019 0
ns1.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 442 serials
Primary NSa.zdnscloud.com
Mailboxtd_dns_gtld.knet.cn.
Serial1369971230
Refresh3 hours
Retry1 hour
Expire14 days
Minimum TTL1 hour
Show 10 recent serial changes
SerialFirst SeenLast Seen
1369971229 Jul 24, 2026 Jul 24, 2026
1369971228 Jul 15, 2026 Jul 23, 2026
1369971227 Jul 13, 2026 Jul 14, 2026
1369971226 Jul 02, 2026 Jul 12, 2026
1369971225 Jul 01, 2026 Jul 01, 2026
1369971224 Jun 21, 2026 Jun 30, 2026
1369971223 Jun 20, 2026 Jun 20, 2026
1369971222 Jun 09, 2026 Jun 19, 2026
1369971221 Jun 08, 2026 Jun 08, 2026
1369971220 May 29, 2026 Jun 07, 2026
DNSSEC signed

Signed since Oct 07, 2019.

Signed domains: 0 · DS records: 0 (as of Jul 30, 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
showAwEAAcUUDnNAC9NGX/stQcFSRNI+5GU89Mg0PVMxo3scqLefEzjeJ/KEJVCkZBYYp3H8jiId/Xyl/gNTCTA9c5sTAPgqC646VTI7sOx1TMPkKf+X2axwx2vJPMTB+IUQ7TM/2G5N8zU27luBUYkVqwT9U1cU3zX3ia/fMJ+DCs+jVVP5
 May 27, 2026
SignsKey TagSignerExpires
DNSKEY 28037 unicom Aug 07, 2026
SOA 8893 unicom Aug 07, 2026
27 retired DNSKEYs no longer published.