Generated: 2026-08-10T12:41:24-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 1 IPv4 address(es) detected. |
| ERROR | IPv6 (AAAA) | 0/10 | 0 IPv6 address(es) detected. |
| OK | Name server redundancy | 20/20 | 4 NS record(s); 2 or more required. |
| OK | SOA record | 10/10 | Authoritative zone record. |
| ERROR | DNSSEC chain | 0/15 | Both DS and DNSKEY are required. |
| ERROR | CAA policy | 0/5 | Certificate authority restriction. |
| OK | DNS propagation | 10/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 1 MX record(s). |
| OK | SPF | 25/25 | SPF policy published. |
| OK | DMARC | 25/25 | DMARC policy published. |
| OK | DKIM | 20/20 | A DKIM selector was verified. |
| OK | MTA-STS | 5/5 | Mail transport policy. |
| OK | TLS-RPT | 5/5 | TLS reporting policy. |
| OK | Valid TLS certificate | 55/55 | 71 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 31/35 | 8 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: 211.41.245.43.in-addr.arpa |
| WARNING | IPv4 diversity | 20/35 | Two or more IPv4 addresses receive full points. |
| ERROR | IPv6 connectivity | 0/35 | AAAA availability. |
| OK | DNS resolution | 40/40 | At least one address family must resolve. |
| ERROR | HTTP response | 0/40 | HTTP/2 403 |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 43.245.41.211 |
| AAAA | |
| CNAME | |
| MX | 0 citystgeorges-ac-uk.mail.protection.outlook.com. |
| TXT | "v=spf1 redirect=citystgeorges.ac.uk.on.autospf.email" "_xuofvmnw9360xdj9896c9ziwf8x27oj" "hpe-greenlake-domain-verification=64374c6c6e544d7256444b594a2d7154465a4855634341716c4d626339476c41" "autospf-verification=Amev5gNvCl46nhIEFl7oAvsGxjVPmaOR" "TLRWAGSCU1SI3A46R6AIG5HZIQLFT8FT90U6ZO1T0" "google-site-verification=gJVWgjm9M1sQBoPJmR6SsCUJD_M3XimI8JXqA3g1-AI" "airtable-verification=00893238b74b01c9c3a560357af50f91" "google-site-verification=Xk0ndk-eDYOjb-zBzztmrCNfGo2OnKOzZ5WVQS_06v8" "autodesk-domain-verification=os0HhtcVxl_aunk-n3um" "apple-domain-verification=z48apzFFdRVwHRaA" "coursera-domain-verification=LsH00d88Q9vUqTjmsToLihoNd1HZ7askf6VeQIyQsSOtri2ihkJzEv8xOQ9RL9JN" |
| NS | ns4.ja.net. ns01.city.ac.uk. ns3.ja.net. ns02.city.ac.uk. |
| SOA | ns01.city.ac.uk. hostmaster.city.ac.uk. 330 10800 3600 2419200 3600 |
| CAA | |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |