Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
courtesycars.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:58:56 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 23.44.201.16 ↩ a23-44-201-16.deploy.static.akamaitechnologies.com
- 23.44.201.25 ↩ a23-44-201-25.deploy.static.akamaitechnologies.com
- 2600:1402:9800:d::b833:2ac4 ↩ g2600-1402-9800-000d-0000-0000-b833-2ac4.deploy.static.akamaitechnologies.com
- 2600:1402:9800:d::b833:2ac6 ↩ g2600-1402-9800-000d-0000-0000-b833-2ac6.deploy.static.akamaitechnologies.com
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
craig.ns.cloudflare.com dns.cloudflare.com 2398848557 10000 2400 604800 1800
Primary NS (mname)
craig.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398848557
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
craig.ns.cloudflare.com
lauryn.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=4d9d205q._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; sp=none; fo=0:1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
10 records- knowbe4-site-verification=60bec4c9c051f128775238e34145f841
- specops-verification-code=b7f82fa2-ffc7-467f-9a3c-8a1c9aa70dc7
- stripe-verification=40d75b9c9b55a040ba3ae796acca7e5075a681c3aa94a209bac3128a61fefd0a
- SPFv=spf1 redirect=4d9d205q._spf._d.mim.ec
- MS=ms27708578
- bdvPC1FsR8YdEHsI9PuODGb3USwgcYwNKYKnhRntoRAtII1fsekdQzZVQ4J/6EZGEu8y1/fIvh0udOBbn7r1hA==
- cisco-ci-domain-verification=35ca760426fc7fc0d1edb9199e7ae7e060939316113378aa2f67e472e50e8682
- docusign=3f7a242f-67a8-469e-810e-e2aaa0269cf9
- google-site-verification=pb9-btvYJmaw3ze9uyTv3SCnhH6qP7pparjgq4CImbU
- google-site-verification=x9DJEnHCG8moJ0mYj9mJ4fH_mPEaDiEWWeMccF6wdGM
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