Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preferredmaterials.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 13:42:26 UTC · ↺ Refresh
MX Hostnames
- mxa-00344903.gslb.pphosted.com
- mxb-00344903.gslb.pphosted.com
MX Priorities
- mxb-00344903.gslb.pphosted.com: 10
- mxa-00344903.gslb.pphosted.com: 10
A / AAAA Records
- 13.248.243.5 ↩ a16e665f42988324c.awsglobalaccelerator.com
Mail Server IPs
- 185.183.30.218 ↩ mx08-00344903.pphosted.com
SOA Record
Raw SOA
ns1.markmonitor.com hostmaster.markmonitor.com 2026032001 86400 3600 2592000 172800
Primary NS (mname)
ns1.markmonitor.com
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2026032001
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
172800s
Nameservers (NS)
ns2.markmonitor.com
ns5.markmonitor.com
ns6.markmonitor.com
ns7.markmonitor.com
ns4.markmonitor.com
ns1.markmonitor.com
ns3.markmonitor.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.crhna.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject ;sp=none ;fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- MS=ms47569199
- 7fvbg5ffaofj8fonregj307aki
- dmlld3BvaW50X2F6dXJlX2NvbW1vbg==
- wombat-verification=3KwxVCQV1HEp-aRXRTKKaZ5G0frhk
- teamviewer-sso-verification=544fa9a5733c49ac8a542fed4002b586
- apple-domain-verification=e_Ij7l-x4Zwg-RDw_1_1yiRjhZtdbJrYTmu44040Uns
- SPFv=spf1 include:_spf.crhna.com include:spf.protection.outlook.com -all
- adobe-idp-site-verification=1cf630304a394497e92c95b1637cc5e487d32e7940de3c722f37dab39ff49265
Full email verification for preferredmaterials.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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