DNS Report: siu.edu

Generated: 2026-08-09T17:22:16-05:00

77/100

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 records20/201 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.
OKValid TLS certificate55/55151 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: plesk-sites1.web.siu.edu
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/1.1 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
131.230.21.130
AAAA
CNAME
MX
0 siu-edu.mail.protection.outlook.com.
TXT
"adobe-idp-site-verification=8e699fe7391a61d469bd007a3295c397905fb566b98db27d355d3483eac0a86e"
"v=spf1 a mx ip4:131.230.0.0/16 include:spf.protection.outlook.com include:sendgrid.net include:a._spf.brightspace.com ~all"
"e2ma-verification=19bbb"
"MS=ms20230666"
"e2ma-verification=702eb"
"HoxTnhzvBYZ82oYiTjotA/8BUKC/NJEHjQL5Yvtwo15uaVyH+vsDHa5xmjKxnwtDtJloUn2AHIlLstIoCDWMLg=="
"apple-domain-verification=UWcwBIUNhBK-htVraea_MSmuyduELwRhhWx2MFJw2OE"
"apple-domain-verification=wLe0m12b2Z4EunYa"
NS
ns4.siu.edu.
ns3.siu.edu.
ns1.siu.edu.
ns5.siu.edu.
SOA
ns1.siu.edu. network-engineering.siu.edu. 2026080600 600 300 172800 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP