Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
amherst.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 21:07:46 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 170.10.132.242 ↩ 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
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
udns1.cscdns.net hostmaster.cscdns.net 2019101636 28800 7200 604800 14400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2019101636
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
udns1.cscdns.net
udns2.cscdns.uk
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.amherst.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- openai-domain-verification=dv-UfWiNaZtmVDA0Foy3uAungIV
- smartsheet-site-validation=iSoA3CebUIL_w1uwOIyuc40kgs5F1s4Q
- anthropic-domain-verification-526qmq=4e6uhiefUzsISitggLtPfTIRb
- new-relic-domain-verification=71b8b35ff53c47239079b0d1d418f7ee
- atlassian-sending-domain-verification=8f9124c7-40e9-471f-a3bb-f7c938b740be
- stripe-verification=0911383E28956B235C545080A8C7631534BAF7B9FB5A484E4EDF23143A0AA4B1
- /jvDr4Qf2c8QKLxmTOSlU8Ckil6SKDgybBoA0zy91fulNfe2bRJStkvreF3000DONrmIhJnOB40D0fSYP2QYjA==
- atlassian-domain-verification=6itqyjX6ZL4lng2p4Is6BLwP2BHXg/rRRcvwfxHXvH/PlZFQULSFeuQ4fqKTv/1M
- SPFv=spf1 include:_spf.amherst.com -all
- MS=ED947CF52889DCE8631283DB029E99FE75905062
- jamf-site-verification=A9ccCugZG5jsM6aiGOVhag
- v=msv1 t=2FE70513-2602-4151-88FB-5073221523C9
- bw=UeuoChV29aidbKW5cdsXfsRHFkZ5IUywrGVNcg2R8AcA
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