Attention Required! | Cloudflare
learner.org
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
learner.org
3 IPv4 address(es) detected.
3 IPv6 address(es) detected.
2 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.
68 day(s) remaining.
Full points require at least 30 days remaining.
2 of 9 evaluated headers detected.
PTR not detected.
Two or more IPv4 addresses receive full points.
AAAA availability.
At least one address family must resolve.
HTTP/2 403
Final URL uses HTTPS.
104.26.8.23 104.26.9.23 172.67.73.67
2606:4700:20::ac43:4943 2606:4700:20::681a:917 2606:4700:20::681a:817
Not configured
10 us-smtp-inbound-2.mimecast.com. 10 us-smtp-inbound-1.mimecast.com.
"google-site-verification=nWv8zO1mE8trxoqY5wJg4qfqRcDzgd4kjor7ClROPDs" "6gqcz5CKKjHdhA7RcYfAmpYGvvA8DAGMKG2W+BTAq3BmTrOnRr7kwSXSdPGDReFC7DyNoYU8x9PgYufOsbV5oA==" "MS=ms70477595" "knowbe4-site-verification=49ec5a3b80f621046482613e1a9b4e3a" "v=spf1 include:spf.protection.outlook.com include:_netblocks.mimecast.com include:47917809.spf05.hubspotemail.net -all"
piotr.ns.cloudflare.com. irma.ns.cloudflare.com.
irma.ns.cloudflare.com. dns.cloudflare.com. 2411417964 10000 2400 604800 1800
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
v=spf1 include:spf.protection.outlook.com include:_netblocks.mimecast.com include:47917809.spf05.hubspotemail.net -all
v=DMARC1; p=reject; rua=mailto:dmarc@annenberg.opsgenie.net;
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjFO2At0kaco+patq31g7YQ3Vm2zPNBsubkUwR/vXgU1FmVjnZ59dQJxZWKCJlLEGmwNa6mJAGL1IH6p9p39c77U1/RAZjoQD7Ku/JD7CdDlO//vy0crZ/928DiX1x61zJy+lCq3+/FPekti7c6DUl+AchXxYlHRFIlF4O/PQBnQIDAQAB; n=1024,1453039028,1468763828
5 public resolvers queried.
8.8.8.81.1.1.19.9.9.9208.67.222.22294.140.14.14Port 25: Closed/unreachable - 0.9 ms - Port 465: Closed/unreachable - 4002 ms - Port 587: Closed/unreachable - 27.8 ms - 220 us-smtp-inbound-1.mimecast.com ESMTP; Mon, 10 Aug 2026 07:14:34 -0400