IETF HTTP Working Group
httpwg.org
We maintain and develop the Hypertext Transfer Protocol - the core protocol of the World Wide Web
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
httpwg.org
We maintain and develop the Hypertext Transfer Protocol - the core protocol of the World Wide Web
4 IPv4 address(es) detected.
4 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.
0 MX record(s).
SPF policy published.
DMARC policy published.
No tested DKIM selector responded.
Mail transport policy.
TLS reporting policy.
46 day(s) remaining.
Full points require at least 30 days remaining.
0 of 9 evaluated headers detected.
PTR: cdn-185-199-110-153.github.com
Two or more IPv4 addresses receive full points.
AAAA availability.
At least one address family must resolve.
HTTP/2 200
Final URL uses HTTPS.
185.199.110.153 185.199.109.153 185.199.108.153 185.199.111.153
2606:50c0:8000::153 2606:50c0:8003::153 2606:50c0:8001::153 2606:50c0:8002::153
Not configured
Not configured
"v=spf1 -all"
terry.ns.cloudflare.com. beth.ns.cloudflare.com.
beth.ns.cloudflare.com. dns.cloudflare.com. 2410741915 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 -all
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s
Not configured
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 - 4022.6 ms - Port 587: Closed/unreachable - 4019.9 ms -