DNS Coffee ☕
Zone

helsinki active

First Seen Jan 27, 2016 · First Import Feb 27, 2016 · Last Import Aug 24, 2026 · Type generic · Operator City of Helsinki · DNSSEC Signed since Sep 11, 2019

Also indexed as: Domain Nameserver

12
Domains
3,829
Zone Imports
4
Current Nameservers
0
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 4
Name First Seen Domains
a2.nic.helsinki Jan 27, 2016 2
b0.nic.helsinki Jan 27, 2016 2
c0.nic.helsinki Jan 27, 2016 2
a0.nic.helsinki Jan 27, 2016 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 12 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 2,411 serials
Primary NSa0.nic.helsinki
Mailboxhostmaster.donuts.email.
Serial1787533626
Refresh2 hours
Retry15 minutes
Expire14 days
Minimum TTL1 hour
Show 10 recent serial changes
SerialFirst SeenLast Seen
1787447328 Aug 23, 2026 Aug 23, 2026
1787361031 Aug 22, 2026 Aug 22, 2026
1787274071 Aug 21, 2026 Aug 21, 2026
1787188376 Aug 20, 2026 Aug 20, 2026
1787101996 Aug 19, 2026 Aug 19, 2026
1787014972 Aug 18, 2026 Aug 18, 2026
1786929240 Aug 17, 2026 Aug 17, 2026
1786842326 Aug 16, 2026 Aug 16, 2026
1786756037 Aug 15, 2026 Aug 15, 2026
1786669695 Aug 14, 2026 Aug 14, 2026
DNSSEC signed

Signed since Sep 11, 2019.

Signed domains: 1 · DS records: 1 (as of Aug 24, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAaFWJqU6fyeTDUzcv6wRsNi2Cvr3gCs35AA44QAr+kgDzJbZEQqs1p8zh91CZYI2QTnUvFUcBTOe9sZEH/VfTYzIUwOmWh06tBJqGd8pkfjBeHRHgHxkdFUo4hm+KcpO10QbWuRiCINyXxl/ftCbCOxaeDWAPwwFVZq83+FoYDg2ryRE571x9Zl0i+nKnJJtxWkwqXr2bN2gvXjSIiX5QkceamJhomBOkCzw0xr/BArNYHVuI1CeXAKAcUzlxVNUgNjs7/OtbRSW6uvKlP8B4D0aBlT6NrkLydliC91nhMi1JUgND9pzgXdYMsEwFzXPhFLWQD5JOT+1bB7smLiPl/c=
 Jun 08, 2021
ZSK RSA/SHA-256
showAwEAAcRxjgz8Ad0rdqXrWMtPV2rHA+mhn2AiJ/4j9BmjRnQyMigoAwqlwyyceMzayXil8mTuAfewCEYkeci4LMWjGio7v0sXOtNTuDJzMEVnTO4QPYv/o5+7e0vD7lRMQSADbs1fa6bcOmd3Qq78tHDgSfAYhcoNO8frZrEfvstgs1MJ
 Aug 10, 2026
ZSK RSA/SHA-256
showAwEAAdiRttvg+em+P3V/EzbfDXlwJmzIdAmUDT/g46orwg4WcbqxRis45ZCpCcHKegkYBlDZ6m/lWO8SmbHGqp6B1HguDgTycrisvlTp5EyWsieunzsg57izu7dUIH5vgC9NzN4a9352euJq8nbF794dmWhAQKH4nMKPzZMgGSPSTbSP
 Jul 10, 2026
SignsKey TagSignerExpires
SOA 31155 helsinki Sep 14, 2026
DNSKEY 31639 helsinki Sep 07, 2026
77 retired DNSKEYs no longer published.