Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alston.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 17:35:51 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 20
A / AAAA Records
- 68.220.40.173 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.markmonitor.com hostmaster.markmonitor.com 2026031204 86400 3600 2592000 172800
Primary NS (mname)
ns1.markmonitor.com
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2026031204
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
172800s
Nameservers (NS)
ns7.markmonitor.com
ns1.markmonitor.com
ns2.markmonitor.com
ns3.markmonitor.com
ns4.markmonitor.com
ns5.markmonitor.com
ns6.markmonitor.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_netblocks.mimecast.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- apple-domain-verification=rJs1pfwuLPTxzoBw
- MS=ms28388825
- onetrust-domain-verification=e56bb16855424de9bd797e5fc58ec4af
- cisco-ci-domain-verification=1f20c5d9fe7b07a4f2452af3d5cb93cdf0fbf8c84cdc57dc67754d80c6491bd
- ZOOM_verify_1tI20F3NSkeq8mFHYqXDkg
- docusign=d35bb47a-f6bd-4cad-bea0-8f13182d04df
- webexdomainverification.4C675B8874DFB136E053AB06FC0A3F65=dc919ee6-83d1-4863-8251-c9e7d1b191a6
- SPFv=spf1 include:_netblocks.mimecast.com ~all
- globalsign-domain-verification=pbKMgLinknAX_HUKwCap-JRmoFyhSjShEc5kUjaGiB
- remote-domain-verification=b6f88dce-5669-45c7-bc13-eceb9601f676
Full email verification for alston.com
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