Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
builtbycm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 05:56:30 UTC · ↺ Refresh
MX Hostnames
- builtbycm-com.mail.protection.outlook.com
MX Priorities
- builtbycm-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns4.thedomainsaver.com jackm.cissellmueller.com 2024022003 7200 7200 172800 38400
Primary NS (mname)
ns4.thedomainsaver.com
Admin Email (rname)
jackm@cissellmueller.com
Serial
2024022003
Refresh
7200s
Retry
7200s
Expire
172800s
Minimum TTL
38400s
Nameservers (NS)
ns3.thedomainsaver.com
ns4.thedomainsaver.com
ns1.thedomainsaver.com
ns2.thedomainsaver.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 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
4 records- duo_sso_verification=Ui1yIbOM72H4r080AN5Ww4jh4T5hPs0XmJJoFANWRDuCCVWPbFVHBhtQWjsmfRAU
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=iA5cSM9SxXsHkAKSX-RX_x_5FBYH-MSvSXrSQT2UMmg
- MS=ms64579150
Full email verification for builtbycm.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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