Nameserver check
Zone github.com, delegated by a.gtld-servers.net
- ✓ Delegation at com matches the zone’s NS records
- · 2 separate DNS providers (different SOA primaries: dns1.p08.nsone.net, ns-1707.awsdns-21.co.uk); serials are compared within each provider
- ✓ 4 nameservers at dns1.p08.nsone.net serve SOA serial 1656468023
- ✓ 4 nameservers at ns-1707.awsdns-21.co.uk serve SOA serial 1
- ✓ No problems found
Nameservers
| Nameserver | IPv4 | Status | SOA serial |
|---|---|---|---|
| dns1.p08.nsone.net | 198.51.44.8 | Authoritative 23 ms |
1656468023 |
| dns2.p08.nsone.net | 198.51.45.8 | Authoritative 33 ms |
1656468023 |
| dns3.p08.nsone.net | 198.51.44.72 | Authoritative 22 ms |
1656468023 |
| dns4.p08.nsone.net | 198.51.45.72 | Authoritative 25 ms |
1656468023 |
| ns-1283.awsdns-32.org | 205.251.197.3 | Authoritative 4 ms |
1 |
| ns-1707.awsdns-21.co.uk | 205.251.198.171 | Authoritative 23 ms |
1 |
| ns-421.awsdns-52.com | 205.251.193.165 | Authoritative 27 ms |
1 |
| ns-520.awsdns-01.net | 205.251.194.8 | Authoritative 2 ms |
1 |
Glue from com
| ns-421.awsdns-52.com | A | 205.251.193.165 |
| ns-421.awsdns-52.com | AAAA | 2600:9000:5301:a500::1 |
SOA
- Primary
- dns1.p08.nsone.net.
- Contact
- hostmaster.nsone.net.
- Refresh / retry
- 43200s / 7200s
- Expire
- 1209600s
- Negative TTL
- 3600s