u-tokyo.ac.jp
IP address
—
Mail
Configured
Records
10
The domain u-tokyo.ac.jp answers at IP address —. Mail for u-tokyo.ac.jp goes through 3 servers; the highest priority one is utmail4.nc.u-tokyo.ac.jp. It also publishes 2 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
MX MX records
- 25 utmail4.nc.u-tokyo.ac.jp 21600s
- 30 utmail3.nc.u-tokyo.ac.jp 21600s
- 50 utmail5.nc.u-tokyo.ac.jp 21600s
NS NS records
- dns1.nc.u-tokyo.ac.jp 21600s
- dns-x.sinet.ad.jp 21600s
- dns2.nc.u-tokyo.ac.jp 21600s
- dns3.nc.u-tokyo.ac.jp 21600s
TXT TXT records
- v=spf1 include:spf0.cert.u-tokyo.ac.jp -all 21600s
- google-site-verification=Pc6rbWRrFkMXdimz3W8ecr4pPDndxA10HSZxvzH-SfU 21600s
SOA SOA records
- dns1.nc.u-tokyo.ac.jp 21600s
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 10 hours ago.