spectral.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
spectral.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-22 23:07:56 UTC ยท โ†บ Refresh

MX Hostnames

  • spectralsciences.mail.protection.office365.us

MX Priorities

  • spectralsciences.mail.protection.office365.us: 1

A / AAAA Records

  • 107.180.240.216 โ†ฉ dp-8d952ba0a0.dreamhostps.com

Mail Server IPs

  • 23.103.199.170 โ†ฉ mail-cy1usg020170.inbound.protection.outlook.com
  • 23.103.199.138 โ†ฉ mail-bn3usg020138.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dreamhost.com hostmaster.dreamhost.com 2026031503 14443 600 1814400 60
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2026031503
Refresh
14443s
Retry
600s
Expire
1814400s
Minimum TTL
60s

Nameservers (NS)

ns2.dreamhost.com
ns3.dreamhost.com
ns1.dreamhost.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.office365.us include:servers.mcsv.net include:_spf.psm.knowbe4.com ip4:107.180.240.216 -all
๐Ÿ“Š DNS lookups: 3/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; pct=100
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
โš  No aggregate reports (rua= not set)

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • MS=ms17010010
  • pzfAZaLKaUUgiQW2EZzA0kH+zqrJpTvbr8w2TzbRPSc=
  • SPFv=spf1 include:spf.protection.office365.us include:servers.mcsv.net include:_spf.psm.knowbe4.com ip4:107.180.240.216 -all
  • box-domain-verification=5e38b54cc61f920e4c9e97f1bc422ccddc4db574ccb0e6eb2bcee66f6cce5291
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