Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
horacemann.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:02:05 UTC · ↺ Refresh
MX Hostnames
- ms45842701.msv1.invalid
- 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: 10
- ms45842701.msv1.invalid: 32767
A / AAAA Records
- 20.84.196.90 (no PTR)
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
pdns91.ultradns.com ipdse.horacemann.com 2017063872 86400 86400 86400 86400
Primary NS (mname)
pdns91.ultradns.com
Admin Email (rname)
ipdse@horacemann.com
Serial
2017063872
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
pdns91.ultradns.net
pdns91.ultradns.org
pdns91.ultradns.biz
pdns91.ultradns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=bff3bwgp._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 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- 407f09ebff6f49008896a5d6b3dbf0d6
- 6d02120e881644deb550dd1535abc51d
- SPFv=spf1 redirect=bff3bwgp._spf._d.mim.ec
- MS=0D01FE1986DD70E5A11CDA8526CA7616FBF92B7C
- knowbe4-site-verification=c7c977e5dc438d33b71db2807cebaa93
- anthropic-domain-verification-5x2mby=IGWCRr9esXK8t2kXdOzdbmAQJ
- identrust_validate=yUZxMmRBeTEK6ppoAA/wHbAYhavUzzU4UHEZDU2+X6vW
- yahoo-verification-key=Jtl4ue7cWQ+LGziGXEZ8nXeuons3IroyMzheKb/HO+Q=
- google-site-verification=De8KDg2r81_FKuWAtaWo6BKB90AcLU2-DcuqHbFcWD0
- google-site-verification=ZXG0SV438pby35Frie3H72ariRc0m7dKb0qjv9-ZDI0
- google-site-verification=xY4Bb4K3Tl7mdSaHfRK5Be7Z2_jAL0fTVpcFXkAKza4
- CIU4gKOKDn4qQGrdxagGW6uAscEpF66fCZYZc8Vnye14UHjBkLIdVtQFQ97uezDE877uHRKbpjPcXWRE07hEGA==
- SBjxm4QlnSIaBYFZ6JQN80Ma90Yw/XYE/RTSCVFOBbnZcCZ0oDQaelmj9gLJYugyPAGJkJNnZhyIX2OAbXBqAQ==
- box-domain-verification=de7394895de343c66c2c3c42409b7ed62ec0d008ca6cdc041d5dd33e6591929c
- MS=ms45842701
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