DNS Coffee ☕
Zone

smart active

First Seen Jul 16, 2016 · First Import Sep 03, 2016 · Last Import Jul 30, 2026 · Type generic · Operator Smart Communications, Inc. (SMART) · DNSSEC Signed since Nov 26, 2019

Also indexed as: Domain Nameserver

50
Domains
3,572
Zone Imports
4
Current Nameservers
4
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 4
Name First Seen Domains
a.nic.smart Mar 03, 2018 2
b.nic.smart Mar 03, 2018 2
c.nic.smart Feb 28, 2018 2
d.nic.smart Feb 28, 2018 2
Past Nameservers 4
Name First Seen Last Seen Domains
apdns3.nic.smart Jul 16, 2016 Mar 02, 2018 0
apdns4.nic.smart Jul 16, 2016 Mar 02, 2018 0
apdns1.nic.smart Jul 16, 2016 Feb 27, 2018 0
apdns2.nic.smart Jul 16, 2016 Feb 27, 2018 0
Sample Current Domains 1
Domain Added
iotinnovation.smart Jul 30, 2026
The most recently added of the 50 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 2,400 serials
Primary NSns0.centralnic.net
Mailboxhostmaster.centralnic.net.
Serial1785373746
Refresh1 minute
Retry30 minutes
Expire70 days
Minimum TTL1 hour
Show 10 recent serial changes
SerialFirst SeenLast Seen
1785287586 Jul 29, 2026 Jul 29, 2026
1785202032 Jul 28, 2026 Jul 28, 2026
1785115146 Jul 27, 2026 Jul 27, 2026
1785028506 Jul 26, 2026 Jul 26, 2026
1784942166 Jul 25, 2026 Jul 25, 2026
1784856736 Jul 24, 2026 Jul 24, 2026
1784769484 Jul 23, 2026 Jul 23, 2026
1784682849 Jul 22, 2026 Jul 22, 2026
1784596387 Jul 21, 2026 Jul 21, 2026
1784510226 Jul 20, 2026 Jul 20, 2026
DNSSEC signed

Signed since Nov 26, 2019.

Signed domains: 0 · DS records: 0 (as of Jul 30, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAdVJeTuQnnmLwE1Tmzsf6so7vmuzQG1ouTCsmA7Fp08tu29Vtbmc4qXXys4fei8TCs3YgOyjj7dcLgUbGaxX8ynAUHYNlZKWdAkMKK/dOLf9p3FESkqTsDJJIoQ6Y8QsIErqGDxHvbfZHHgt1o0RlbcpW2rIPrUwL2vlGUQb8c9G9hElCNUpROsEHHzTiQ2QeXxqopJsaUG1M5T1AiK6HqP4pVMFiwU2dkRmCPTsornYinoWBOxDlUpo3hepXaSMt/c4mx7sB3D4HoH8laLVCkPvqabhUrH8d6xkqYEI/UBl/r5FJ83ADddfiGk2sQIW8L7+Gzi8WOiPdd1qsES9R9k=
 May 14, 2024
ZSK RSA/SHA-256
showAwEAAaRma11iRRBTBJIxLA9hKdw80V9xfPSokbINo1Po+LwXg3r3LogslLWCSqNyjJ2vvkwV5U8dDP5qEb1mCP3dFN77gU1l7EcU0FXnGHmZunoOprV4jI4tcbG5k+0tKCdtNTDyOf3duJ4dkRUgTZwexLmBjjljP6fjFfr2TvVug/9L
 May 14, 2024
SignsKey TagSignerExpires
SOA 15219 smart Aug 29, 2026
DNSKEY 22664 smart Aug 11, 2026
Signature incidents (1)

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

StartEndDays
Apr 19, 2021 Apr 21, 2021 2
22 retired DNSKEYs no longer published.