Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
billnanceplumbing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 02:30:29 UTC · ↺ Refresh
MX Hostnames
- billnanceplumbing-com.mail.protection.outlook.com
MX Priorities
- billnanceplumbing-com.mail.protection.outlook.com: 10
A / AAAA Records
- 198.185.165.130 (no PTR)
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
dns087.a.register.com root.register.com 2021012047 28800 7200 604800 3600
Primary NS (mname)
dns087.a.register.com
Admin Email (rname)
root@register.com
Serial
2021012047
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns030.c.register.com
dns087.a.register.com
dns083.d.register.com
dns016.b.register.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:65.102.218.33 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- duo_sso_verification=LHgxaGQkEGt2t44zcahTKUtZbNui261u8jbq0808dDCGOjW5UqMEDKUh1vdh1hNb
- OAmdv58oYpp963EaU2Wtrkn1t1/AtCiev9lfI+XCYEyr8FmDx0ZoqEy6K/kn6L3lKF+uA3KMEF4yG1aXMtlOrw==
- SPFv=spf1 mx a ip4:65.102.218.33 include:spf.protection.outlook.com -all
- MS=ms18186460
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