Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
co.san-joaquin.ca.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 22:02:35 UTC · ↺ Refresh
MX Hostnames
- co-sanjoaquin-ca-us01e.mail.protection.outlook.com
MX Priorities
- co-sanjoaquin-ca-us01e.mail.protection.outlook.com: 0
A / AAAA Records
- 199.83.131.6 ↩ 199.83.131.6.ip.incapdns.net
- 199.83.134.6 ↩ 199.83.134.6.ip.incapdns.net
Mail Server IPs
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net postmaster.pbi.net 2004080922 3600 900 604800 7200
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
postmaster@pbi.net
Serial
2004080922
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
cbru.br.ns.els-gms.att.net
cmtu.mt.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a:lb2.jobaps.com ip4:12.157.107.121/32 ip4:12.157.107.115/32 ip4:12.157.107.116/32 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=s
⚠ 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
1 record- SPFv=spf1 a:lb2.jobaps.com ip4:12.157.107.121/32 ip4:12.157.107.115/32 ip4:12.157.107.116/32 include:spf.protection.outlook.com ~all
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