alumni.cuhk.net DNS records

A IPv4 address
10m
alumni.cuhk.net has no A records.
AAAA IPv6 address
10m
alumni.cuhk.net has no AAAA records.
CNAME Canonical name
Apex domains cannot have CNAME records.
TXT Human readable text
1d
SPF
Sender policy
v=spf1 include:spf.protection.outlook.com ip4:202.45.188.46 ip4:202.45.188.50 ~all
Microsoft
Domain verification
MS=ms23660589
MX Mail server
5m
alumni-cuhk-net.mail.protection.outlook.com 10 Primary
Microsoft 365
NS Authoritative DNS server
1d
dns1.cuhk.edu.hk
dns2.cuhk.edu.hk
SOA Start of authority
1d
Zone apex
Start of authority
Email
[email protected]
Serial
201701284
Refresh
30m
Retry
15m
Expire
14d
Negative cache TTL
10m

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