Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
da.lacounty.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 16:12:46 UTC · ↺ Refresh
MX Hostnames
- da-lacounty-gov.mail.protection.outlook.com
MX Priorities
- da-lacounty-gov.mail.protection.outlook.com: 10
A / AAAA Records
- 45.60.151.78 (no PTR)
- 45.60.171.78 (no PTR)
Mail Server IPs
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
dc-ib-a01.isd.lacounty.gov please_set_email.absolutely.nowhere 2008012845 10800 3600 2419200 60
Primary NS (mname)
dc-ib-a01.isd.lacounty.gov
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
2008012845
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
60s
Nameservers (NS)
dci-ib-e02.isd.lacounty.gov
lrci-ib-e04.isd.lacounty.gov
dci-ib-e01.isd.lacounty.gov
lrci-ib-e03.isd.lacounty.gov
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:159.83.252.226 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- apple-domain-verification=8w8TbnmVndoXJUcf
- asv=6cafac643dff3da83b557e5c09e94cdc
- MS=ms67899912
- MS=ms37148434
- SPFv=spf1 include:spf.protection.outlook.com ip4:159.83.252.226 -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for da.lacounty.gov
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits