b30.coreserver.jp DNS records

A IPv4 address

10m

DigiRock

AS37907

Japan

Tokyo, Tokyo

AAAA IPv6 address

30m

b30.coreserver.jp has no AAAA records.

CNAME Canonical name

26m 1s

b30.coreserver.jp has no CNAME records.

TXT Human readable text

20m

SPF

Sender policy

MX Mail server

10m

b30.coreserver.jp 10 Primary

NS Authoritative DNS server

30m

b30.coreserver.jp has no NS records.
NS records for this zone are defined at coreserver.jp.

SOA Start of authority

30m

Zone apex

Start of authority

Serial

2396973762

Refresh

2h 46m 40s

Retry

40m

Expire

Negative cache TTL

30m

Other record types