DNS Report: tohoku.ac.jp

Generated: 2026-08-09T06:46:01-05:00

53/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/205 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
ERRORValid TLS certificate0/55No valid certificate was retrieved.
ERRORCertificate lifetime0/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: narugo.net.tohoku.ac.jp
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
130.34.11.111
AAAA
CNAME
MX
5 ALT2.ASPMX.L.GOOGLE.COM.
10 ALT3.ASPMX.L.GOOGLE.COM.
5 ALT1.ASPMX.L.GOOGLE.COM.
10 ALT4.ASPMX.L.GOOGLE.COM.
1 ASPMX.L.GOOGLE.COM.
TXT
"C8E9C1C6E32530A235EC4678581BF971"
"adobe-idp-site-verification=479f2f198c8f61d8af3fb4114324a2b7b8fbe76124576bc04ae429bd236ed145"
"MS=F57F6D585ABC3948FCE12DD3A37737B914D77ABF"
"v=spf1 include:_spf.google.com ~all"
"google-site-verification=yDn9bqi4HP0IxDzINOPSAfHlhHT6-ExApZIeGXxIemg"
NS
dns-x.sinet.ad.jp.
ns4.tohoku.ac.jp.
ns1.tohoku.ac.jp.
ns2.tohoku.ac.jp.
SOA
ns1.tohoku.ac.jp. postmaster.tohoku.ac.jp. 2026080600 3600 1800 2419200 1200
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP