Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
theblacktux.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:31:53 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 20
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 23.227.38.65 ↩ myshopify.com
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-1815.awsdns-34.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1815.awsdns-34.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1815.awsdns-34.co.uk
ns-907.awsdns-49.net
ns-1283.awsdns-32.org
ns-178.awsdns-22.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:usb._netblocks.mimecast.com include:_spf.google.com include:emailus.freshservice.com include:mailgun.org ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
15 records- facebook-domain-verification=lzpef7anhxdgvies6g4ws8r1y1w9pk
- google-site-verification=LiGwsYrX5Lf8drAaZN-uMsGAvGvgXq048KRTb5Gr6rc
- jamf-site-verification=jcdsqbp2rnzcLyU7EXKZXw
- klaviyo-site-verification=RSaCxv
- klaviyo-site-verification=TJ6jdP
- shopify-verification-code=hzEUTKvw5BKUGhxPNxWpfMt47v7BrR
- SPFv=spf1 include:usb._netblocks.mimecast.com include:_spf.google.com include:emailus.freshservice.com include:mailgun.org ~all
- @=0ed1fe018a4a042e58c5074e05a703e5d747a272a8
- MS=ms22805105
- _globalsign-domain-verification=W0buKB5ZmL-VwwHw2oQyQImk3I1q3hSemf2qmB1hjP
- amazonses:mK+TDuuId24pQo/PeofV5QAi8ARTv0BgFmsKu0XMBWo=
- anthropic-domain-verification-ndjv4r=kY7eQnll5bt24fZG2NkQNMvXU
- apple-domain-verification=KEl0fiKAJt8VQd5l
- atlassian-domain-verification=uMfHRibGA9YTeUCvxTaR2M7w9XIkpsHYKzjvYhJDWlCxucik3trXTRYuMmjPWhVF
- dropbox-domain-verification=fnm8f64q4j6o
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