Harvard Business Review - Ideas and Advice for Leaders
hbr.org
Find new ideas and classic advice on strategy, innovation and leadership, for global leaders from the world's best business and management experts.
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
hbr.org
Find new ideas and classic advice on strategy, innovation and leadership, for global leaders from the world's best business and management experts.
4 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.
2 MX record(s).
SPF policy published.
DMARC policy published.
A DKIM selector was verified.
Mail transport policy.
TLS reporting policy.
82 day(s) remaining.
Full points require at least 30 days remaining.
4 of 9 evaluated headers detected.
PTR: server-3-162-163-113.ord56.r.cloudfront.net
Two or more IPv4 addresses receive full points.
AAAA availability.
At least one address family must resolve.
HTTP/2 200
Final URL uses HTTPS.
3.162.163.113 3.162.163.56 3.162.163.54 3.162.163.83
Not configured
Not configured
10 mxa-00044a01.gslb.pphosted.com. 10 mxb-00044a01.gslb.pphosted.com.
"google-site-verification=ikLo_eYH7jY56yB4qtVoDTxY9WUWl7NkUEsM-UB6DT0" "google-site-verification=0fyEgLpijqbt_OMG0ncBIK4G153eKqHF7UeGfTZgZk0" "_1nl5kysnqxswpmo75e1u1fdcbs0fptr" "smartsheet-site-validation=76f6Fdn8EnnOgbwX-KcCnJ5Nj66wRUeo" "v=spf1 ip4:167.89.5.215 include:hbsp.harvard.edu include:amazonses.com include:u12602457.wl208.sendgrid.net include:aspmx.sailthru.com include:_spf.bigcommerce.com ~all" "docusign=59df337d-04fe-422f-bd8e-438fc3e80d21" "webexdomainverification.4C675B8B1892B136E053AB06FC0A3F65=7b2ac320-8920-4cf1-826d-975f96f199cb" "Wo71J1PNbWKkAikjb4WeqxCjBcNQwf6hcll0LJM6s9peRMF1ImcaCENQfddffLROaJY6wZHW2jrUsDNXC38vjg==" "onetrust-domain-verification=0df7d79642a64b338bb91818045b158d" "google-site-verification=P1JGD_hnkAqlxSPmsFW_M2nifpmJC2iBjnfmKi1uJCc" "ciscocidomainverification=3a5e2e428cc891b6aef0b7598537338dd5c2bf8fe96326d58d87f62324dd9733" "sip=m699vbpan7kdoitobogsq38e1k" "lyncdiscover = seh3q1rpvadu98fpk213q7htq2" "extensis-domain-verification=3decd987-0352-469b-8111-a273b429588a" "facebook-domain-verification=hvrm85rd5hvr18o50vzpd1lprkjg76" "MS=ms51679339" "openai-domain-verification=dv-yzIW4FvevpXrgKYrQ9Ndlm4V" "knowbe4-site-verification=f00a4d6e618b4a00b6f39e0b4c9e093f" "atlassian-domain-verification=5VnB9cXf8cZ+rqMksjlq1KyEzUSjGsBJ5irmtvOZtpwtq6AsKSs+jGHcKUhotODA" "google-site-verification=o-E502ZnlfSSAM2JRb0RUfIxROmYDcYVOZnzlVRknS0"
ns-469.awsdns-58.com. ns-1175.awsdns-18.org. ns-604.awsdns-11.net. ns-1877.awsdns-42.co.uk.
ns-1175.awsdns-18.org. hostmaster.harvardbusiness.org. 1 7200 900 1209600 86400
0 issue "sectigo.com" 0 issue "amazontrust.com" 0 issue "awstrust.com" 0 issue "amazon.com" 0 iodef "mailto:hostmaster@harvardbusiness.org" 0 issue "digicert.com" 0 issue "letsencrypt.org" 0 issue "amazonaws.com"
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
v=spf1 ip4:167.89.5.215 include:hbsp.harvard.edu include:amazonses.com include:u12602457.wl208.sendgrid.net include:aspmx.sailthru.com include:_spf.bigcommerce.com ~all
v=DMARC1; p=reject; pct=100; rua=mailto:ufwln6jz@ag.dmarcian.com; ruf=mailto:ufwln6jz@fr.dmarcian.com
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDvat4AvhjD+SbldG4vLxO64shUysj61y0g/Yv0brJt5GmBX8otJ2qMZuimhrLX6edFmOKtWUKMdsb5G1f9u2qbjHtjYr0FRiI2YCSY5VQ/W0M2Wm7CAzzRi2dkNYkrZX5dVeGFs8/oRA9W+D5ah53YyR5rnslx66k6sT76vrI5wQIDAQAB;
5 public resolvers queried.
8.8.8.81.1.1.19.9.9.9208.67.222.22294.140.14.14Port 25: Closed/unreachable - 28.5 ms - Port 465: Closed/unreachable - 48.4 ms - Port 587: Closed/unreachable - 50.5 ms -