firmament.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
firmament.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-26 17:33:24 UTC ยท โ†บ Refresh

MX Hostnames

  • firmament-com.mail.protection.outlook.com

MX Priorities

  • firmament-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 143.95.38.148 โ†ฉ trevor.asoshared.com

Mail Server IPs

  • 52.101.40.1 โ†ฉ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.9.21 โ†ฉ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.8.34 โ†ฉ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.194.3 โ†ฉ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 โ†ฉ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 โ†ฉ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 โ†ฉ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 โ†ฉ mail-bl2pr02cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.asmallorange.com root.trevor.asoshared.com 2026030600 86400 7200 3600000 86400
Primary NS (mname)
ns1.asmallorange.com
Admin Email (rname)
root@trevor.asoshared.com
Serial
2026030600
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.asmallorange.com
ns1.asmallorange.com

SPF Record

โœ“ Strict (-all)
v=spf1 +ip4:143.95.154.82 +include:spf.protection.outlook.com -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;sp=quarantine;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: quarantine

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
default._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

4 records
  • _304rk32ko4oj1liw8b4n2sk5icw0pmr
  • google-site-verification=ElRGbW4dpFTVoY-N9ksOvf4n4r3GekeCwC-ddd2p6RA
  • anthropic-domain-verification-3a3j84=65Y60VQGjnQ0UFwmpvmIyymdD
  • SPFv=spf1 +ip4:143.95.154.82 +include:spf.protection.outlook.com -all
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