sjtu.edu.cn
The domain sjtu.edu.cn answers at IP address 202.120.2.119. Mail for sjtu.edu.cn goes through 4 servers; the highest priority one is mx01.sjtu.edu.cn. It also publishes 4 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 202.120.2.119 300s
MX MX records
- 10 mx01.sjtu.edu.cn 163s
- 10 mx02.sjtu.edu.cn 163s
- 20 mx03.sjtu.edu.cn 163s
- 20 mx04.sjtu.edu.cn 163s
NS NS records
- apple.sjtu.edu.cn 859s
- dns.sjtu.edu.cn 859s
TXT TXT records
- ic14zi8kzf8g848uofs9wvk1s43dzz88 300s
- v=spf1 ip4:202.112.26.0/24 ip4:202.120.2.0/24 ip4:202.121.179.0/24 ip4:111.186.58.48 ip4:111.186.58.61 ip4:111.186.58.62 ip4:111.186.58.66 ip4:111.186.58.24 -all 300s
- google-site-verification=mcuNzNPcotg0Umk8i7PNvtpd5_wDv6V-Q-Fo3vYMcxk 300s
- a85e415662a6425f70c138b67155e0d1d4ab0f34fbec6bd9101ffb83fdcbff5c 300s
SOA SOA records
- dns.sjtu.edu.cn 300s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 3 hours ago.