schiffhardin.com

Valid Email Server
Domain Lookup › schiffhardin.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
schiffhardin.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 21:22:48 UTC · ↺ Refresh

MX Hostnames

  • mxa-00181202.gslb.pphosted.com
  • mxb-00181202.gslb.pphosted.com

MX Priorities

  • mxa-00181202.gslb.pphosted.com: 10
  • mxb-00181202.gslb.pphosted.com: 20

A / AAAA Records

  • 23.185.0.1 (no PTR)
  • 2620:12a:8001::1 (no PTR)
  • 2620:12a:8000::1 (no PTR)

Mail Server IPs

  • 205.220.174.28 ↩ mx0b-00181202.pphosted.com

SOA Record

Raw SOA auth1.dns.cogentco.com dns.cogentco.com 2025012103 10800 3600 604800 43200
Primary NS (mname)
auth1.dns.cogentco.com
Admin Email (rname)
dns@cogentco.com
Serial
2025012103
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
43200s

Nameservers (NS)

auth1.dns.cogentco.com
auth2.dns.cogentco.com

SPF Record

✓ Strict (-all)
v=spf1 mx a:spf-us.vx-email.com include:us._netblocks.mimecast.com include:amazonses.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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
  • 1sqnp8dnwql62gkgy8g795329cxq321k
  • cisco-ci-domain-verification=488abee88fa1cf92c219db08b5c159f014d5f4ce664dd2a02a093c4d880ea415
  • apple-domain-verification=QkFssjDqZKWdtaFi
  • spf2.0/pra ?all
  • docusign=df8b5bab-da49-489b-8cc0-9b92866d43ed
  • ZOOM_verify_SkrKHk3TQkGvjg-tZvv3iQ
  • knowbe4-site-verification=791ed951753b5b566dc92fd5f5c1999b
  • 0HpvS0RUjaJTdtjgL/XMJLWLVur1vVOPQR63wIr3WJxWE4pGPfDL25sXd5c8FsfKKChHDhvvYRmyTpiB2W6wPw==
  • SPFv=spf1 mx a:spf-us.vx-email.com include:us._netblocks.mimecast.com include:amazonses.com include:spf.protection.outlook.com -all
  • MS=ms58982994
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