DNS Report: open.edu

Generated: 2026-08-09T09:16:11-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/206 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.
OKHTTP security headers35/359 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: open-edu-csvip.open.ac.uk
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
137.108.200.104
AAAA
CNAME
MX
10 open-edu.mail.protection.outlook.com.
TXT
"google-site-verification=KLQmkBsMNGjV3_nUmOkJw07lK3ZIXeFBPvilow84wXk"
"B6B0975F-29DA-4863-AD9B-4CE3671954ED"
"v=spf1 include:spf.protection.outlook.com  ip4:137.108.232.47 ip4:137.108.232.48 ip4:137.108.170.8 ip4:137.108.170.38 ip4:137.108.170.40 ip4:137.108.185.44 -all"
"QuoVadis=9a987046-9ec6-40b4-a739-41ad71aa5c85"
NS
dns3.easydns.org.
nse-2.open.ac.uk.
dns2.easydns.net.
nse-0.open.ac.uk.
dns1.easydns.com.
nse-1.open.ac.uk.
SOA
nse-0.open.ac.uk. hostmaster.open.ac.uk. 626265871 1200 180 1209600 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP