spectrumcontrol.com

Valid Email Server

Domain Overview

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

Checked via [email protected] ยท 2026-03-28 04:30:26 UTC ยท โ†บ Refresh

MX Hostnames

  • spectrumcontrol-com.mail.protection.office365.us

MX Priorities

  • spectrumcontrol-com.mail.protection.office365.us: 10

A / AAAA Records

  • 23.92.184.172 โ†ฉ corespin.84.172.percepticon.net

Mail Server IPs

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

SOA Record

Raw SOA ns03.domaincontrol.com dns.jomax.net 2026030503 28800 7200 604800 600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030503
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns03.domaincontrol.com
ns04.domaincontrol.com

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:4.37.32.250 ip4:4.78.16.158 ip4:4.2.4.126 ip4:212.187.244.3 ip4:205.182.227.189 include:spf.protection.office365.us include:spf.protection.outlook.com include:5942715.spf06.hubspotemail.net -all
๐Ÿ“Š DNS lookups: 3/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; 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: 392 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

3 records
  • MS=ms46481417
  • SPFv=spf1 ip4:4.37.32.250 ip4:4.78.16.158 ip4:4.2.4.126 ip4:212.187.244.3 ip4:205.182.227.189 include:spf.protection.office365.us include:spf.protection.outlook.com include:5942715.spf06.hubspotemail.net -all
  • 3YKQkYl2kSoLGBuA4rNdyhY+hrImgM3/wNoIm5KjB5n/LhpTQboAesb0e27gUhgqazyfkmRbk19cloU3bvVomQ==
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