Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
quantum.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:55:59 UTC · ↺ Refresh
MX Hostnames
- quantum-com.mail.protection.outlook.com
MX Priorities
- quantum-com.mail.protection.outlook.com: 10
A / AAAA Records
- 217.114.94.2 (no PTR)
Mail Server IPs
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
cleo.ns.cloudflare.com dns.cloudflare.com 2397914379 10000 2400 604800 1800
Primary NS (mname)
cleo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397914379
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sloan.ns.cloudflare.com
cleo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:146.174.192.0/18 ip4:50.57.196.251 ip4:67.139.72.104 ip4:202.189.79.91 ip4:68.171.172.82 ip4:138.1.36.217 include:spf.protection.outlook.com include:mktomail.com include:_spf.salesforce.com include:spf1.satmetrix.com include:spf.mindmatrix.net include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; ri=86400; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
17 records- SPFv=spf1 ip4:146.174.192.0/18 ip4:50.57.196.251 ip4:67.139.72.104 ip4:202.189.79.91 ip4:68.171.172.82 ip4:138.1.36.217 include:spf.protection.outlook.com include:mktomail.com include:_spf.salesforce.com include:spf1.satmetrix.com include:spf.mindmatrix.net include:_spf.psm.knowbe4.com -all
- MS=6AC70F0D3BE7A527B103039E5D76397FCCB05BAA
- qgUlD8cMsmWqYsewj/Ph1MYuDKuBfC1M68FipaguL7qAiFgRrqVGFv536iYIsYFgVnAgmB+l2Qln1Q0kkzpgXw==
- teamviewer-sso-verification=fb2bf92665a34902b4e570e0a9808241
- GXBfZKCCSpGrjPX0HpLrrtE1qBMT5NNUcU1YvERyWEw=
- cisco-ci-domain-verification=184206e7d4d66ec8825cba2d1d2c12d0ad4f3d69970cf73e489a338081155667
- ZOOM_verify_pz9uG6gyAPbn65ZD07h62p
- _globalsign-domain-verification=YkbjPxxYAVVSCk1qB4d42BlOtPOXaW9-f60jA6sc4k
- apple-domain-verification=qYsNVBlfoh9Zqp9r
- webexdomainverification.=4e5f5d43-175b-4eb4-9fb4-0a4227baf38c
- anthropic-domain-verification-w1xf0t=k1HDjRaAvKLGLisr3RbDJvCAY
- a1023050689940a48ed7fa17f6bce177
- MS=ms36556134
- atlassian-domain-verification=nnVJ39DQDTx6aAUKosnCUnpJ07nvaZaXht0KfyxpuhLoQKdBIzcagD45Od7S7DzL
- /9CSatnN+b8dKh99F0fXS40T2EgpQU/LWhelN9VUwy8tVPBKWdmgzR6AVPb6CVKuH/8qTID/igt8IPw5Sty/6A==
- atlassian-sending-domain-verification=e0419a47-5578-4fe2-8436-547c1cc0322a
- openai-domain-verification=dv-Z0tHR4wxFMao04c5BB0LkiqY
Full email verification for quantum.com
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