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blackwells.co.uk
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blackwells.co.uk
2 IPv4 address(es) detected.
2 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.
No tested DKIM selector responded.
Mail transport policy.
TLS reporting policy.
32 day(s) remaining.
Full points require at least 30 days remaining.
8 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.
104.18.40.29 172.64.147.227
2a06:98c1:310d::ac40:93e3 2a06:98c1:3107::6812:281d
Not configured
20 eu-smtp-inbound-2.mimecast.com. 10 eu-smtp-inbound-1.mimecast.com.
"v=spf1 ip4:213.177.248.96/27 ip4:87.117.239.69/32 include:eu._netblocks.mimecast.com include:_spf.pur3.net ~all" "0ed1fe018a0cc0d097d47e491f97bee3b1305dfb86"
gwen.ns.cloudflare.com. oswald.ns.cloudflare.com.
gwen.ns.cloudflare.com. dns.cloudflare.com. 2410994481 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 ip4:213.177.248.96/27 ip4:87.117.239.69/32 include:eu._netblocks.mimecast.com include:_spf.pur3.net ~all
v=DMARC1; p=none; rua=mailto:05b6c5634047570@rep.dmarcanalyzer.com; ruf=mailto:05b6c5634047570@for.dmarcanalyzer.com; fo=1;
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 - 30.5 ms - Port 465: Closed/unreachable - 4021.5 ms - Port 587: Closed/unreachable - 124.2 ms - 220 eu-smtp-inbound-1.mimecast.com ESMTP; Tue, 11 Aug 2026 07:51:00 +0100