DNS Report: washu.edu

Generated: 2026-08-09T09:14:32-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/205 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5586 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
23.185.0.3
AAAA
2620:12a:8001::3
2620:12a:8000::3
CNAME
MX
10 washu-edu.mail.protection.outlook.com.
TXT
"apple-domain-verification=avI5WwVJnvFFxIFE"
"MS=ms87679064"
"v=spf1 include:spf.protection.outlook.com include:mailgun.org -all"
"AE0583BA20BF9B0101899C0C621599F5"
NS
ns03.ip.wustl.edu.
ns00.ip.wustl.edu.
ns02.ip.wustl.edu.
ns01.ip.wustl.edu.
ns04.ip.wustl.edu.
SOA
ns00.ip.wustl.edu. noc.wustl.edu. 30337 10800 3600 2419200 900
CAA
0 issuewild "digicert.com"
0 issuewild "letsencrypt.org"
0 issue "amazonaws.com"
0 issuewild "amazonaws.com"
0 issuewild "awstrust.com"
0 issue "awstrust.com"
0 issue "sectigo.com"
0 issue "digicert.com"
0 issue "emsign.com"
0 issuewild "sectigo.com"
0 issue "amazon.com"
0 issuewild "emsign.com"
0 issuewild "amazontrust.com"
0 issue "amazontrust.com"
0 issue "letsencrypt.org"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuewild "amazon.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP