DNS Coffee ☕
Zone

ac.za active

First Seen before tracking · First Import Dec 09, 2019 · Last Import Mar 10, 2025 · Type public-suffix · Operator icann · DNSSEC Signed since Dec 17, 2019

Also indexed as: Domain

426
Domains
1,913
Zone Imports
5
Current Nameservers
0
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 5
Name First Seen Domains
disa.tenet.ac.za Before Dec 09, 2019 54
ns2us.dns.business Before Dec 09, 2019 9
ns3.dns.business Before Dec 09, 2019 4
ns4.dns.business Before Dec 09, 2019 3
za-ns.anycast.pch.net Before Dec 09, 2019 2
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 426 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 1,912 serials
Primary NSzone-ds.dns.business
Mailboxhostmaster.tenet.ac.za.
Serial2025031016
Refresh8 hours
Retry2 hours
Expire30 days
Minimum TTL8 hours
Show 10 recent serial changes
SerialFirst SeenLast Seen
2025030926 Mar 09, 2025 Mar 09, 2025
2025030834 Mar 08, 2025 Mar 08, 2025
2025030735 Mar 07, 2025 Mar 07, 2025
2023143249 Mar 06, 2025 Mar 06, 2025
2023143153 Mar 05, 2025 Mar 05, 2025
2023143057 Mar 04, 2025 Mar 04, 2025
2023142955 Mar 03, 2025 Mar 03, 2025
2023142863 Mar 02, 2025 Mar 02, 2025
2023142770 Mar 01, 2025 Mar 01, 2025
2023142672 Feb 28, 2025 Feb 28, 2025
Records Browse all

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

CNAME 2
DNSSEC signed

Signed since Dec 17, 2019.

Signed domains: 26 · DS records: 26 (as of Sep 13, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAaq5yKLyGYl4cKtBSLuSpsmE9gHPCW7P82FwZNF6C+TtG5c1mDOMAGlJp7YIkGzD2DIP8G3OxYsyHshwAgd2BCn4ejt19jY0ZzenTXYv9a0Hy0QQBIiIDfAQsr2KrGYQJg7YEkZHB/w5ChDLGv4w4cNwiiGlP7t5TAKZexxOGLxvAk6QF8I7EabKwgRyyDBAkJ+N/kSmoAhO1m4P8tN2jpScKPiMwqDd6gMIbGQ93OCMyxvdPzmI2cfukH76rm/U3v/0zxQMQKdIWzMkVVAarWvEEhMzp1NwOWLtaKKsliZm8WiWWk+jCb+W5RDSFba9omACn9DszmTzY3eurTAKfq0=
 Feb 17, 2025
ZSK RSA/SHA-256
showAwEAAduse/yz9w8x5de25Bkg2RfLniJvvRMehRVI9+Xc8sye6rwYiKLwuKWqohYZHozECEB3YST4nFftTUPw+yB42YNsWAYED7KIB2nIDIeDgtwgkk7X2uzRDH9nyMnGoX0Sg/Dk6fF0neun+vp7cmg/eWtTbOcHAxHvF8uA5GpWfWwyFAjovWu/j2gUnLbnXKGh7lj+uIhYSUbarC/DMxGNGmG9Odf27M2XzCmeEPM2894Hy2o23ql958YirfFrKyg2FVqbu8ptqn526XZVMob0ikqDHGWgCv5wLX9zuCPsgtOYxX7Fvha+SR4TUZ8gQYEK5jDuQe9F9VCiR5Vx/Umv2Js=
 Mar 04, 2025
SignsKey TagSignerExpires
DNSKEY 26749 ac.za Mar 24, 2025
SOA 46798 ac.za Mar 24, 2025
Signature incidents (1)

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

StartEndDays
Mar 25, 2025 ongoing 538
67 retired DNSKEYs no longer published.