Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
russobrosplumbing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:31:20 UTC · ↺ Refresh
MX Hostnames
- russobrosplumbing-com.mail.protection.outlook.com
MX Priorities
- russobrosplumbing-com.mail.protection.outlook.com: 1
A / AAAA Records
- 192.58.198.93 (no PTR)
- 162.254.31.93 ↩ 31.254.162-93.dc74.net
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns49.domaincontrol.com dns.jomax.net 2026022000 28800 7200 604800 600
Primary NS (mname)
ns49.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns50.domaincontrol.com
ns49.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.249.109.23 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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- knowbe4-site-verification=49ac7b799eec209cad6bd01eaffef71e
- google-site-verification=ONYdbFr29lxnUu59bLV5KD6ihRc1-4in8vOwu8QZ6Es
- SPFv=spf1 ip4:216.249.109.23 include:spf.protection.outlook.com -all
- MS=ms53519077
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