DNS Coffee ☕
Zone

sina active

First Seen Mar 31, 2016 · First Import May 07, 2016 · Last Import Sep 14, 2026 · Type generic · Operator Sina Corporation · DNSSEC Signed since Sep 10, 2019

Also indexed as: Domain Nameserver

2
Domains
3,778
Zone Imports
5
Current Nameservers
4
Past Nameservers
Zone Growth
Nameserver Timeline
Current Nameservers 5
Name First Seen Domains
te.ngtld.cn Jun 23, 2026 14
ta.ngtld.cn Jun 23, 2026 14
td.ngtld.cn Jun 23, 2026 14
tb.ngtld.cn Jun 23, 2026 14
tc.ngtld.cn Jun 23, 2026 14
Past Nameservers 4
Name First Seen Last Seen Domains
c0.nic.sina Mar 31, 2016 Jun 29, 2026 0
a2.nic.sina Mar 31, 2016 Jun 29, 2026 0
a0.nic.sina Mar 31, 2016 Jun 29, 2026 0
b0.nic.sina Mar 31, 2016 Jun 29, 2026 0
Sample Current Domains 2
Domain Added
nic.sina Jun 19, 2026
sina Jun 18, 2026
The most recently added of the 2 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 2,372 serials
Primary NSta.ngtld.cn
Mailboxsysmgr.cnnic.cn.
Serial2019322525
Refresh4 hours
Retry1 hour
Expire28 days
Minimum TTL6 hours
Show 10 recent serial changes
SerialFirst SeenLast Seen
2019322524 Aug 22, 2026 Sep 12, 2026
2019322523 Aug 04, 2026 Aug 21, 2026
1783428727 Jul 08, 2026 Aug 03, 2026
1783387495 Jul 07, 2026 Jul 07, 2026
1783300591 Jul 06, 2026 Jul 06, 2026
1783214337 Jul 05, 2026 Jul 05, 2026
1783128110 Jul 04, 2026 Jul 04, 2026
1783041231 Jul 03, 2026 Jul 03, 2026
1782954957 Jul 02, 2026 Jul 02, 2026
1782868685 Jul 01, 2026 Jul 01, 2026
DNSSEC signed

Signed since Sep 10, 2019.

Signed domains: 1 · DS records: 1 (as of Sep 14, 2026)

RoleAlgorithmPublic KeyFirst Seen
KSK RSA/SHA-256
showAwEAAdpmSm77nPyJOspk3q1T/lPK1KIx+M8OjII2SJlxfRdVswXI2fWSUWDTJGiPoDyv3urveUSn0KnnEaroulfO3Qt9JSWqokI6nWQY2bpjWYh900kwWu4/AAkZEyzMZ7Rx9HI1vVQwTnVhociZBrLrvOOjEvUlItupHsBsVgFvWy3Q5YOTKBRowJGjAooMU2MYVcbYeJ/lT+IhezzJXgdjWZzk9Arf1z9HGYKENdbqQReesm7H/XtFMp0DsUVnqvCHBt+iJuC7WybLBqOIkDTM+JUyi68rPjp6nU2dtEtWTMGzgqLVEwZ3r2QWTyEP7uxVa8kcvt+QPtMAwnE4HyhT/98=
 Jun 18, 2026
ZSK RSA/SHA-256
showAwEAAcTI01k67vlMn3Spfen+S5wS9kaYYYmy/D/rn0VnER+jL0UObXj86vob7MdauoanqwuoYYNAFus9h1+/DGw08TgTcox51xFJeQDotm7sB0BBlawIbQ6aTuNB6m53vF8X4m9gnssmXvf6Np5SU/wOqPQJLm/8+wuoBBSVMuPU9BeZ
 Jun 18, 2026
SignsKey TagSignerExpires
SOA 6264 sina Oct 12, 2026
DNSKEY 6264 sina Oct 12, 2026
DNSKEY 44374 sina Oct 12, 2026
Signature incidents (1)

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

StartEndDays
Jul 23, 2026 Aug 04, 2026 12
84 retired DNSKEYs no longer published.