DNS Report: sherpa.ac.uk

Generated: 2026-08-10T07:09:29-05:00

68/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 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.
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.
OKTLS-RPT5/5TLS reporting policy.
OKValid TLS certificate55/5588 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two 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
104.18.31.127
104.18.30.127
AAAA
CNAME
MX
0 sherpa-ac-uk.mail.protection.outlook.com.
TXT
"QuoVadis=d08bd3ed-22ed-4a05-b862-360d39cf6682"
"v=spf1 -all"
"MS=ms30362276"
NS
ns-725.awsdns-26.net.
ns-362.awsdns-45.com.
ns-1225.awsdns-25.org.
ns-1757.awsdns-27.co.uk.
SOA
ns-1757.awsdns-27.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
0 issuewild "ssl.com"
0 iodef "mailto:information.security@jisc.ac.uk"
0 issue "letsencrypt.org"
0 issuewild "letsencrypt.org"
0 issue "ssl.com"
0 issue "amazontrust.com"
0 issuewild "amazontrust.com"
0 issuewild "sectigo.com"
0 issue "sectigo.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP