DNS Report: london.ac.uk

Generated: 2026-08-11T07:21:51-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/203 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 certificate55/55204 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: uolrelay.uksouth.cloudapp.azure.com
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
51.132.32.57
AAAA
CNAME
MX
0 london-ac-uk.mail.protection.outlook.com.
TXT
"proxy-ssl.webflow.com"
"smartsheet-site-validation=JcMpyUpMui1c4QDmU0bSNwF9c0ly5MJn"
"yahoo-verification-key=+i1hSSXcFuchOYIXORdWSwof9+HeJiOVxrzr1lWWv24="
"v=spf1 include:_u.london.ac.uk._spf.smart.ondmarc.com ~all"
NS
ns0.ulcc.ac.uk.
ns1.ulcc.ac.uk.
ns2.ja.net.
SOA
ns0.ulcc.ac.uk. hostmaster.ulcc.ac.uk. 2026072400 10800 3600 632000 38400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP