b.isi.edu DNS records

A IPv4 address
2h
b.isi.edu has no A records.
AAAA IPv6 address
2h
b.isi.edu has no AAAA records.
CNAME Canonical name
Apex domains cannot have CNAME records.
TXT Human readable text
2h
b.isi.edu has no TXT records.
MX Mail server
2h
b.isi.edu has no MX records.
NS Authoritative DNS server
12h
ns-e.b.isi.edu
ns-lax.b.root-servers.org
ns-w.b.isi.edu
SOA Start of authority
12h
Zone apex
Start of authority
Email
[email protected]
Serial
1752845783
Refresh
2h
Retry
2h
Expire
7d
Negative cache TTL
2h

Other record types

A AAAA AFSDB APL AXFR CAA CDNSKEY CDS CERT CNAME CSYNC DHCID DLV DNAME DNSKEY DS EUI48 EUI64 HINFO HIP HTTPS IPSECKEY IXFR KEY KX LOC MX NAPTR NS NSEC3 NSEC3PARAM NSEC NXT OPENPGPKEY OPT PTR RP RRSIG SIG SMIMEA SOA SPF SSHFP SVCB SRV TA TKEY TLSA TSIG TXT URI ZONEMD