Generated: 2026-08-09T02:38:29-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 4 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. |
| ERROR | DNS propagation | 0/10 | 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. |
| ERROR | MTA-STS | 0/5 | Mail transport policy. |
| ERROR | TLS-RPT | 0/5 | TLS reporting policy. |
| OK | Valid TLS certificate | 55/55 | 123 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 4/35 | 1 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: server-108-157-142-4.mci50.r.cloudfront.net |
| OK | IPv4 diversity | 35/35 | 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 | 108.157.142.4 108.157.142.26 108.157.142.7 108.157.142.80 |
| AAAA | |
| CNAME | |
| MX | 0 iflscience-com.mail.protection.outlook.com. |
| TXT | "mandrill_verify.RgZ3LtkHxNR4sMeRcp1p3w" "google-site-verification=xZghqV1nD6ot2MCUihM_47toVFFmratsvG69Gi-k1kE" "v=spf1 a ip4:216.208.153.97 ip4:216.223.155.112/28 ip4:66.159.123.64/28 ip4:198.2.188.112 include:amazonses.com include:spf.protection.outlook.com ip4:88.151.128.0/21 include:servers.mcsv.net include:_spf.spotme.com " "include:20033579.spf08.hubspotemail.net ~all" "MS=ms97297058" "atlassian-domain-verification=Rsm7NYeI6lDurJ2WeshJx2VmByR5noPtq4qbF9zvgKcAsNifeApFGC5VJdVkMeBj" "google-site-verification=x_XSnS5PkDA7xMzP3D5NAE4BUR8SRY5PTj7zK2OpFeM" "google-site-verification=r7Ok8ZWd5YGfjqBeIPRkE0UIq1TtL4XF8-9rTOHL7aE" "google-site-verification=bAkGbUibS6t6WLWFFz_5DGISZZmsTZ9TLVt4_uQI5Ug" "google-site-verification=PWNiOVgSZ3DXJDbIxHgny0urIR05bN6DCS-yTZZ47Jw" |
| NS | ns-1468.awsdns-55.org. ns-1564.awsdns-03.co.uk. ns-652.awsdns-17.net. ns-507.awsdns-63.com. |
| SOA | ns-652.awsdns-17.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400 |
| CAA | |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |