No retrieval yet.

Hosting Lookup	Type a domain, then press Enter.	Operational from May 6, 2025 - Security Header Tool - Issues on GitHub - Insight at janwillemstegink.nl
IPv4 without www	IPv6 without www	IPv4 with www	IPv6 with www
Autonomous System +/-	Autonomous System +/-	Autonomous System +/-	Autonomous System +/-
Start of Authority +/-	Start of Authority +/-	Start of Authority +/-	Start of Authority +/-
Name Servers +/-	Name Servers +/-	Name Servers +/-	Name Servers +/-
[ANAME] +/-	[ANAME] +/-	[ANAME] +/-	[ANAME] +/-
CNAME +/-	CNAME +/-	CNAME +/-	CNAME +/-
A +/-	A +/-	A +/-	A +/-
AAAA +/-	AAAA +/-	AAAA +/-	AAAA +/-
rDNS +/-	rDNS +/-	rDNS +/-	rDNS +/-
FCrDNS +/-	FCrDNS +/-	FCrDNS +/-	FCrDNS +/-
HINFO +/-	HINFO +/-	HINFO +/-	HINFO +/-
CAA higher +/-	CAA higher +/-	CAA higher +/-	CAA higher +/-
CAA +/-	CAA +/-	CAA +/-	CAA +/-
MX +/-	MX +/-	MX +/-	MX +/-
MX lookup +/-	MX lookup +/-	MX lookup +/-	MX lookup +/-
DMARC CNAME higher +/-	DMARC CNAME higher +/-	DMARC CNAME higher +/-	DMARC CNAME higher +/-
DMARC TXT higher +/-	DMARC TXT higher +/-	DMARC TXT higher +/-	DMARC TXT higher +/-
DMARC CNAME +/-	DMARC CNAME +/-	DMARC CNAME +/-	DMARC CNAME +/-
DMARC TXT +/-	DMARC TXT +/-	DMARC TXT +/-	DMARC TXT +/-
SPF TXT +/-	SPF TXT +/-	SPF TXT +/-	SPF TXT +/-
TXT +/-	TXT +/-	TXT +/-	TXT +/-
TLSA _25._tcp +/-	TLSA _25._tcp +/-	TLSA _25._tcp +/-	TLSA _25._tcp +/-
TLSA _25._udp +/-	TLSA _25._udp +/-	TLSA _25._udp +/-	TLSA _25._udp +/-
TLSA _25._sctp +/-	TLSA _25._sctp +/-	TLSA _25._sctp +/-	TLSA _25._sctp +/-
TLSA _25._quic +/-	TLSA _25._quic +/-	TLSA _25._quic +/-	TLSA _25._quic +/-
TLSA _443._tcp +/-	TLSA _443._tcp +/-	TLSA _443._tcp +/-	TLSA _443._tcp +/-
SSL raw +/-	SSL raw +/-	SSL raw +/-	SSL raw +/-
SSL +/-	SSL +/-	SSL +/-	SSL +/-
robots.txt url +/-	robots.txt url +/-	robots.txt url +/-	robots.txt url +/-
robots.txt +/-	robots.txt +/-	robots.txt +/-	robots.txt +/-
meta tags +/-	meta tags +/-	meta tags +/-	meta tags +/-
legacy security.txt +/-	legacy security.txt +/-	legacy security.txt +/-	legacy security.txt +/-
.well-known/security.txt +/-	.well-known/security.txt +/-	.well-known/security.txt +/-	.well-known/security.txt +/-
HSTS header +/-	HSTS header +/-	HSTS header +/-	HSTS header +/-
HTTP headers +/-	HTTP headers +/-	HTTP headers +/-	HTTP headers +/-
transfer information +/-	transfer information +/-	transfer information +/-	transfer information +/-