DNS Report: port.ac.uk

Generated: 2026-08-09T14:05:46-05:00

81/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/202 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 records20/207 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 certificate55/55124 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers16/354 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: ec2-3-248-71-106.eu-west-1.compute.amazonaws.com
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/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
3.248.71.106
AAAA
CNAME
MX
30 aspmx2.googlemail.com.
10 aspmx.l.google.com.
30 aspmx4.googlemail.com.
30 aspmx5.googlemail.com.
20 alt1.aspmx.l.google.com.
20 alt2.aspmx.l.google.com.
30 aspmx3.googlemail.com.
TXT
"google-site-verification=hrSnXjmt7-eAEJEjIH-fiuawiesBNcFr6qNeVv966zg"
"autodesk-domain-verification=LDC6vXOvq6g-IoQilToS"
"google-site-verification=MG8G2wgSurJ1BJYRhOsZMXAKDeNSn8muTs-9ej0XsB4"
"QuoVadis=2397bf92-d6ee-4bf4-9d71-c1166fe9a390"
"google-site-verification=ypPYZSCt78tYNb0RXPofLp6Ci8V4dIfMH8DS4EvkwYw"
"ZOOM_verify_yxYkl5joSuWZasub4NmTGw"
"MS=ms83483494"
"MS=ms72065754"
"mentimeter-9294d899-8aaf-412d-85f8-1a7bf555b52f"
"QuoVadis=fd9bd3c6-fc77-4921-bb28-2ed4c760c7f6"
"google-site-verification=h_0fY5D3W7WNf2M9sw_gCJsLVloRynMBNSF5yTkoTBQ"
"ccea4d7d-a915-4673-93a2-447235b1f411.100718"
"facebook-domain-verification=ph58tfqnpcpv1djag9pytnrkpcqraq"
"cisco-ci-domain-verification=53603b8b45c2a2b85bb3c115dfe8014f3ed1fb8e6d247f1a23395035034dfe3b"
"adobe-idp-site-verification=2dd099867f687579ba1908f7c73e2059e4b7560d916e172e23370e23438b9b32"
"_globalsign-domain-verification=xqvYWm9syTayijselvIbYnPFCI4hwwrQQB4ac0jtgb"
"google-site-verification=eufaA8KpSVLizzgcmKi2ycwKwaQtFCr2Uow2aWjt6Ic"
"amazonses:OwSONUbu7+zfk/nLBW1wF8X18S8gygJqGmAgCXAmMdo="
"v=spf1 include:_spf.google.com ip4:148.197.0.0/16 include:servers.mcsv.net include:_ses.getbynder.com ip4:108.177.15.27 ip4:80.6.91.150 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19" " ip4:76.223.176.0/20 ip4:54.240.64.0/19 ip4:54.240.96.0/19 ip4:52.82.172.0/22 ip4:34.198.56.55 ip4:76.223.128.0/19 ip6:2a00:2381:db::/56 ip6:2a05:2080::/29 ip4:5.196.146.211 ip4:5.196.146.250 ip4:46.105.146.11 ip4:192.9" "9.26.11 ip4:54.36.22.50 ip4:54.36.22.124 ip4:5.196.146.195 ip4:67.227.87.186 ip4:217.182.181.164 ip4:217.182.181.254 ip4:147.160.167.0/26 ip4:52.49.201.246 ip4:52.49.235.189 ip4:23.21.109.197 ip4:23.21.109.212 exists:%{i}._spf.mta.salesforce.com include:s" "pf.planoncloud.com include:spf.protection.outlook.com -all"
"docusign=6fc6196a-9cc0-49f0-9e24-6e1619226c26"
"docusign=a977bae2-af0c-4eb1-af30-0ba46d2db488"
NS
dns1.port.ac.uk.
dns0.port.ac.uk.
SOA
dns0.port.ac.uk. hostmaster.port.ac.uk. 2019525455 14400 3600 2419200 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP