First Seen Apr 07, 2016 · First Import May 07, 2016 · Last Import Jul 31, 2026 · Type generic · Operator Sina Corporation · DNSSEC Signed since Sep 10, 2019 no valid signature
Also indexed as: Domain Nameserver
| Name | First Seen | Domains |
|---|---|---|
| ta.ngtld.cn | Jun 23, 2026 | 14 |
| tb.ngtld.cn | Jun 23, 2026 | 14 |
| tc.ngtld.cn | Jun 23, 2026 | 14 |
| td.ngtld.cn | Jun 23, 2026 | 14 |
| te.ngtld.cn | Jun 23, 2026 | 14 |
| Name | First Seen | Last Seen | Domains |
|---|---|---|---|
| a0.nic.xn--9krt00a (a0.nic.微博) | Apr 07, 2016 | Jun 29, 2026 | 2 |
| a2.nic.xn--9krt00a (a2.nic.微博) | Apr 07, 2016 | Jun 29, 2026 | 2 |
| b0.nic.xn--9krt00a (b0.nic.微博) | Apr 07, 2016 | Jun 29, 2026 | 2 |
| c0.nic.xn--9krt00a (c0.nic.微博) | Apr 07, 2016 | Jun 29, 2026 | 2 |
| Domain | Added |
|---|---|
| nic.xn--9krt00a (nic.微博) | Jun 19, 2026 |
| xn--9krt00a (微博) | Jun 18, 2026 |
| Primary NS | a0.nic.xn--9krt00a (a0.nic.微博) |
|---|---|
| Mailbox | hostmaster.donuts.email. |
| Serial | 1783428732 |
| Refresh | 2 hours |
| Retry | 15 minutes |
| Expire | 14 days |
| Minimum TTL | 1 hour |
| Serial | First Seen | Last Seen |
|---|---|---|
| 1783386866 | Jul 07, 2026 | Jul 07, 2026 |
| 1783301227 | Jul 06, 2026 | Jul 06, 2026 |
| 1783214979 | Jul 05, 2026 | Jul 05, 2026 |
| 1783128115 | Jul 04, 2026 | Jul 04, 2026 |
| 1783041871 | Jul 03, 2026 | Jul 03, 2026 |
| 1782955593 | Jul 02, 2026 | Jul 02, 2026 |
| 1782868690 | Jul 01, 2026 | Jul 01, 2026 |
| 1782783043 | Jun 30, 2026 | Jun 30, 2026 |
| 1782696146 | Jun 29, 2026 | Jun 29, 2026 |
| 1782609275 | Jun 28, 2026 | Jun 28, 2026 |
Signed since Sep 10, 2019. This zone is validation-broken: it serves no valid signature for some apex type.
Signed domains: 1 · DS records: 2 (as of Jul 31, 2026)
| Role | Algorithm | Public Key | First Seen |
|---|---|---|---|
| KSK | RSA/SHA-256 | showAwEAAdpmSm77nPyJOspk3q1T/lPK1KIx+M8OjII2SJlxfRdVswXI2fWSUWDTJGiPoDyv3urveUSn0KnnEaroulfO3Qt9JSWqokI6nWQY2bpjWYh900kwWu4/AAkZEyzMZ7Rx9HI1vVQwTnVhociZBrLrvOOjEvUlItupHsBsVgFvWy3Q5YOTKBRowJGjAooMU2MYVcbYeJ/lT+IhezzJXgdjWZzk9Arf1z9HGYKENdbqQReesm7H/XtFMp0DsUVnqvCHBt+iJuC7WybLBqOIkDTM+JUyi68rPjp6nU2dtEtWTMGzgqLVEwZ3r2QWTyEP7uxVa8kcvt+QPtMAwnE4HyhT/98= |
Jun 18, 2026 |
| KSK | RSA/SHA-256 | showAwEAAb7ndsDpNyB2GacO8wIbyCA4jks/6MEqN82suX1M6BHAg7Z34z0ugGZkMG7+w+THPTqLKO2dd3yP1mPHZciK0oRgnajSvnp2B1okWYsE8abZ9dhjFy1U1BDo/pQrDFRVLIOq08OIrkQFLw2tbPPtmzv2FLx57KAVY1WN2/skXZGKWV8ZCBdCpsunnEJqrdYFjutYlTkn7qn5ogPf3l9ZUBOulRoXQLFl7nCKl8yqdOQ9O/Gj2SF5vqa7P7jdjzLX5rnezTIE0TJD9rRnSLj+14ESHLF1Ce2CexxW/kBw9wOaIyluj6iXD5Gd2WcZcduChsdvpmzXYjRJfnojgJ4lFf0= |
Nov 10, 2020 |
| ZSK | RSA/SHA-256 | showAwEAAcTI01k67vlMn3Spfen+S5wS9kaYYYmy/D/rn0VnER+jL0UObXj86vob7MdauoanqwuoYYNAFus9h1+/DGw08TgTcox51xFJeQDotm7sB0BBlawIbQ6aTuNB6m53vF8X4m9gnssmXvf6Np5SU/wOqPQJLm/8+wuoBBSVMuPU9BeZ |
Jun 18, 2026 |
| ZSK | RSA/SHA-256 | showAwEAAblx+sujQsNngLHFdxQI7+nX/t1XIp4Ebu5+LawUcM2xpySoGw4B+SJUv6D34pUwKpEthYR4FqiHju/XK+cOkn34T644gOObcwyU01mGoiYeL8UEDCXXIng5GnA9GkanRdiuAa6Vizn2iUY0+026VPE8ONMEIDh1AS//L/HBAzYr |
May 10, 2026 |
| Signs | Key Tag | Signer | Expires |
|---|---|---|---|
| SOA | 63876 | xn--9krt00a (微博) | Jul 28, 2026 |
| DNSKEY | 6052 | xn--9krt00a (微博) | Jul 22, 2026 |
Periods this zone served no valid signature for some apex type (SOA or DNSKEY), by day.
| Start | End | Days |
|---|---|---|
| Jul 23, 2026 | ongoing | 9 |