Generated: 2026-08-09T05:36:29-05:00
| 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 | 3 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. |
| OK | CAA policy | 5/5 | Certificate authority restriction. |
| OK | DNS propagation | 10/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 5 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 | 115 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 16/35 | 4 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: sheffield.ac.uk |
| 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. |
| OK | HTTP response | 40/40 | HTTP/1.1 200 OK |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 143.167.2.102 |
| AAAA | |
| CNAME | |
| MX | 10 alt3.aspmx.l.google.com. 5 alt2.aspmx.l.google.com. 5 alt1.aspmx.l.google.com. 1 aspmx.l.google.com. 10 alt4.aspmx.l.google.com. |
| TXT | "QuoVadis=b6b1f5bd-5729-453c-9950-107c31ff576a" "apple-domain-verification=aQwUN0OnGdXEaFv7" "fastly-domain-delegation-nswth4upxeqnqveipseg-00624106-2026-03-04" "google-site-verification=isKsdLEuDlo36yj5mOEE565z5MSZ3ZToeKOK5ovSB0U" "google-site-verification=xecQmyR2UQAd3OiZbAW_FJHFJPwg8p8uX30nW4o6zOY" "v=spf1 ip4:143.167.0.0/16 ip4:95.172.88.0/22 ip4:130.88.36.5 ip4:80.93.168.194 ip4:85.92.81.226 ip4:146.177.26.90/31 ip4:146.177.26.108/31 ip4:81.17.56.1 ip4:94.23.120.168 ip4:149.56.182.220 ip4:35.242.247.107 ip4:34.107.8.58" " ip4:212.227.126.128/25 ip4:82.165.159.0/26 ip4:212.227.15.0/25 ip4:212.227.17.0/27 ip4:217.72.192.64/26 ip4:74.121.48.4 ip4:31.221.91.141 ip4:212.54.136.59 ip4:31.221.72.237 ip4:35.177.177.249 ip4:35.178.89.45" " ip4:50.56.130.220/30 ip4:207.97.204.96/29 ip4:146.20.14.104/30 ip4:164.177.132.168/30 ip4:35.234.108.85/32 ip4:34.90.200.156/32 ip4:35.204.47.209/32" " include:_spf.google.com include:wpm.flywire.com include:spf.mailanyone.net include:spf.mandrillapp.com include:shops.shopify.com -all" |
| NS | hippo.shef.ac.uk. ns4.ja.net. acheron.shef.ac.uk. |
| SOA | hippo.shef.ac.uk. hostmaster.shef.ac.uk. 2025592592 3600 3600 1209600 600 |
| CAA | 0 issue "digicert.com" 0 issue "godaddy.com" 0 issue "pki.goog" 0 issuewild "letsencrypt.org" 0 issue "letsencrypt.org" 0 issuewild "sectigo.com" 0 issue "sectigo.com" 0 issue "amazon.com" 0 iodef "mailto:soc@sheffield.ac.uk" |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | 100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.roaming.ja.net. |
| TLSA | |
| SSHFP |