Harvard Business School
hbs.edu
Harvard Business School
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
hbs.edu
Harvard Business School
1 IPv4 address(es) detected.
0 IPv6 address(es) detected.
4 NS record(s); 2 or more required.
Authoritative zone record.
Both DS and DNSKEY are required.
Certificate authority restriction.
Agreement between public resolvers.
1 MX record(s).
SPF policy published.
DMARC policy published.
A DKIM selector was verified.
Mail transport policy.
TLS reporting policy.
28 day(s) remaining.
Full points require at least 30 days remaining.
0 of 9 evaluated headers detected.
PTR: hbs.edu
Two or more IPv4 addresses receive full points.
AAAA availability.
At least one address family must resolve.
HTTP/2 200
Final URL uses HTTPS.
128.103.124.107
Not configured
Not configured
0 hbs-edu.mail.protection.outlook.com.
"google-site-verification=KWWYxaXGTAa5LHvT8lM806dEPJ40bQ_kWVmWOwWeZ78" "facebook-domain-verification=oja2f2thuafwhte6h60nf0msr2sxp5" "miro-verification=9345300622344c33b1181efcb9424832ac017640" "SFMC-Gip__BGh6JJG1QgzdgI2nxXgWSOqkAYV-U_GbrJy" "v=DKIM1; k=rsa;p=p=\"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtOajCM1EA837f/qrI6kmjSQzxQqbCtlYzPvNkBSperH7j7UPotyeNlS1gYnRM83xrdx/AdnPOx9lsq2+El1gVYffxGkKeEW76k+8wrhwFyUSl1cQIGo7votAOib0yAQkwnAATRGh8YCG9hPmxcpnrDEAD5Kq4ZfmIhlkQI9qGnKcP2/30517kx4QevgBW+F" "oXVqq9dGNZAOp82\"" "tmes=a18926e3a06d3b62227000f92b63ac3c" "workspace_mjbxg35dfz3ut3ferqm" "anthropic-domain-verification-1s9aq9=FtEpZvDFj779FaEOzBpUuQI9W" "google-site-verification=c-eaSAavhfMv5ChJyT8tZbpoz8KQY4W7qzjzh5yFJ70" "manus-domain-verification-797tq1=rS9Dfb1DQkRfVyzzaSTVdff9e" "smartsheet-site-validation=4Yoy3WT6fIqQIdHLNxq4w8Jm6tUXDFJK" "airtable-verification=a92cef30671587a4f6deb7951c1c3f1a" "v=spf1 ip4:199.94.19.0/24 ip4:199.94.20.0/24 ip4:128.103.0.0/16 ip4:198.245.85.88 ip4:3.236.169.128/27 ip4:3.236.67.96/27 include:spf.protection.outlook.com include:spf2.hbs.edu ~all" "openai-domain-verification=dv-N0AJMTlwiqDrJ50CnOOTDtVA" "atlassian-domain-verification=MrrVn0jd3Vovf0f63CeGlmxWGmnkIJjDchwflNLdm4sg8wlRIAffoeJWA8P9w/6P" "google-site-verification=c8yyoa6hgn1nnyyeRMj7IQm1X4wjFT2p9Qe_NeB9PBM" "atlassian-domain-verification=QVOqqD/jaSFcxusq6e05h36VGz8CZyBa4RworUk0MhCx0v3BuKYN9CI8MWygOIDN" "cisco-ci-domain-verification=5eefa9e06279e8347d5a3890fee2647546c934d381d2fad041bafdc86db6dd0e" "MS=ms43247693" "pFKF7oEYfg7mo0mK6psIlIf/qVXwG+38RhEhJ9kBHZ5WyPkQgqhiaVBfGnFo0AND8beSeIcdNzzrsiVDhoosBw==" "759dded284e74e05affa6d5e9265f07b" "2nlfqmqvhklzfhzt9k3rtsfp2wt7k6pr"
ns4-38.azure-dns.info. ns3-38.azure-dns.org. ns1-38.azure-dns.com. ns2-38.azure-dns.net.
ns1-38.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
v=spf1 ip4:199.94.19.0/24 ip4:199.94.20.0/24 ip4:128.103.0.0/16 ip4:198.245.85.88 ip4:3.236.169.128/27 ip4:3.236.67.96/27 include:spf.protection.outlook.com include:spf2.hbs.edu ~all
v=DMARC1; p=none; pct=100; rua=mailto:re+nzdeoemcot0@dmarc.postmarkapp.com; sp=none; aspf=r;
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCfJ4O74xWyvjgO/jE+2ET6fXOnp+ZCJk9HPHpzlw8TOqpiRG+TixyXQSFS4Aqh7YhVDew90rFt7nic9CL/BidiQ7CmSelXAiSbFdDahJ0RykbpL0F4odjd666l7XM8tNVpaVMyqJ98Wxukqt8ZMMepCDwoTbqV026sLToEFOlMpQIDAQAB;
5 public resolvers queried.
8.8.8.81.1.1.19.9.9.9208.67.222.22294.140.14.14Port 25: Closed/unreachable - 34.3 ms - Port 465: Closed/unreachable - 4055.4 ms - Port 587: Closed/unreachable - 4004 ms -