The best free cultural & educational media on the web - Open Culture
openculture.com
Your guide to FREE educational media. Find thousands of free online courses, audio books, textbooks, eBooks, language lessons, movies and more.
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
openculture.com
Your guide to FREE educational media. Find thousands of free online courses, audio books, textbooks, eBooks, language lessons, movies and more.
1 IPv4 address(es) detected.
0 IPv6 address(es) detected.
6 NS record(s); 2 or more required.
Authoritative zone record.
Both DS and DNSKEY are required.
Certificate authority restriction.
Agreement between public resolvers.
7 MX record(s).
SPF policy published.
DMARC policy published.
A DKIM selector was verified.
Mail transport policy.
TLS reporting policy.
75 day(s) remaining.
Full points require at least 30 days remaining.
1 of 9 evaluated headers detected.
PTR: ec2-18-204-45-111.compute-1.amazonaws.com
Two or more IPv4 addresses receive full points.
AAAA availability.
At least one address family must resolve.
HTTP/1.1 200 OK
Final URL uses HTTPS.
18.204.45.111
Not configured
Not configured
5 aspmx.l.google.com. 40 aspmx5.googlemail.com. 30 aspmx3.googlemail.com. 5 alt1.aspmx.l.google.com. 1 alt2.aspmx.l.google.com. 30 aspmx4.googlemail.com. 30 aspmx2.googlemail.com.
"v=spf1 mx a include:openculture.com include:amazonses.com ~all" "google-site-verification=yAHooWK9hUjOSwYblROEyqASW_bPfrE5KaIV9niQVis"
ns10.dnsmadeeasy.com. ns15.dnsmadeeasy.com. ns13.dnsmadeeasy.com. ns11.dnsmadeeasy.com. ns14.dnsmadeeasy.com. ns12.dnsmadeeasy.com.
ns10.dnsmadeeasy.com. dns.dnsmadeeasy.com. 2009010750 43200 3600 1209600 180
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
v=spf1 mx a include:openculture.com include:amazonses.com ~all
v=DMARC1; p=none; rua=mailto:newsletter@openculture.com; pct=50;
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkkER1EfiC5gb/k7Vr59bX35VHR+qYmigxlxrGMu6d5tbDOg7JluaG6qc4r5N67v25ZHRHAJTFryr4YDf7pFiox1zj/b2eMPeU0bZyXCSwj2/3WNxPENA5uohx2+NyJ+MZHZcQ9j1TJhWp6FLYu7mzOI+i6LaMYUjac1ZsfKrPUNhWzBJZMy2ujxEuO9PQu2Q9yIuyo2p0JZuXVHHpuSyOQe+ZXd3aASe6MMT38IasEn+PGIvlMdlw0KZmxe3y55DfxEHrzkP166S+3E02WPKvLvPorretA3RFTAAcUSbE1gOlMWoSki/ingLV7+WBZoAVxTBLLczXnoivD7hb6okmQIDAQAB
5 public resolvers queried.
8.8.8.81.1.1.19.9.9.9208.67.222.22294.140.14.14Port 25: Closed/unreachable - 0.8 ms - Port 465: Closed/unreachable - 4020.7 ms - Port 587: Closed/unreachable - 4020.7 ms -