sigmatronintl.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
sigmatronintl.com
Yes
โœ“ Yes
Proofpoint
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-22 00:15:52 UTC ยท โ†บ Refresh

MX Hostnames

  • mxb-0031ba01.gslb.pphosted.com
  • mxa-0031ba01.gslb.pphosted.com

MX Priorities

  • mxa-0031ba01.gslb.pphosted.com: 10
  • mxb-0031ba01.gslb.pphosted.com: 10

A / AAAA Records

  • 35.215.66.198 โ†ฉ 198.66.215.35.bc.googleusercontent.com

Mail Server IPs

  • 148.163.154.179 โ†ฉ mx0b-0031ba01.pphosted.com
  • 148.163.150.237 โ†ฉ mx0a-0031ba01.pphosted.com

SOA Record

Raw SOA ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com
ns2-09.azure-dns.net

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spf-0031ba01.pphosted.com include:_spf.psm.knowbe4.com include:emailus.freshservice.com include:one.zoho.com ip4:12.132.93.134 ip4:50.228.162.206 ip4:144.121.172.142 ~all
๐Ÿ“Š DNS lookups: 4/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

10 records
  • Foxit-domain-verification=a7edbbb0ce9ac9e2bda140406dd03fc0
  • _eozghm4nx4yp8hexmuvkwrc2nfcyrih
  • asv=a96675803ae2561046beda409443ab5a
  • zoho-verification=zb39977509.zmverify.zoho.com
  • +yF0P5qVTtqqtx3N8IUpDIGzoSmMouiUUeDnGSjLy16QEpGNUJyKrzs+zHA3RH4xbj496CelYv+1hshjREZeog==
  • SPFv=spf1 include:spf-0031ba01.pphosted.com include:_spf.psm.knowbe4.com include:emailus.freshservice.com include:one.zoho.com ip4:12.132.93.134 ip4:50.228.162.206 ip4:144.121.172.142 ~all
  • adobe-idp-site-verification=1a422bb4c37ea986c7a4d4c6145c0cececed902f7e9efc317b4a72a749abde61
  • ZA=Gu/P0ylK7jldV0WT7qF4yx2Au8iMa1Sfc94j8A/fUTA=
  • apple-domain-verification=hpOILzx72N1wsJ8q
  • autodesk-domain-verification=04boTZEbHz68YeM8AV_r
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