spf.tsinghua.edu.cn DNS records

A IPv4 address
10m
spf.tsinghua.edu.cn has no A records.
AAAA IPv6 address
10m
spf.tsinghua.edu.cn has no AAAA records.
CNAME Canonical name
10m
spf.tsinghua.edu.cn has no CNAME records.
TXT Human readable text
2h
SPF
Sender policy
v=spf1 ip4:101.6.4.0/24 ip4:166.111.204.0/24 ip4:166.111.2.24/29 ip4:59.66.3.24/29 ip4:101.5.3.24/29 ip4:101.6.3.24/29 ip4:183.172.3.24/29 ip4:183.173.3.24/29 include:spf.icoremail.net -all
MX Mail server
10m
spf.tsinghua.edu.cn has no MX records.
NS Authoritative DNS server
10m
spf.tsinghua.edu.cn has no NS records.
NS records for this zone are defined at tsinghua.edu.cn.
trace spf.tsinghua.edu.cn NS records for tsinghua.edu.cn
SOA Start of authority
10m
Zone apex
Start of authority
Email
[email protected]
Serial
2099126317
Refresh
1h
Retry
15m
Expire
7d
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