Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hillsboroughcounty.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:57:54 UTC · ↺ Refresh
MX Hostnames
- hillsboroughcounty-org.mail.protection.outlook.com
MX Priorities
- hillsboroughcounty-org.mail.protection.outlook.com: 100
A / AAAA Records
- 3.33.186.135 ↩ afa7f374f51cc8991.awsglobalaccelerator.com
- 15.197.167.90 ↩ afa7f374f51cc8991.awsglobalaccelerator.com
Mail Server IPs
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.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:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-06.azure-dns.org
ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.hillsboroughcounty.org include:spf2.hillsboroughcounty.org include:spf3.hillsboroughcounty.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
12 records- jamf-site-verification=-YJWjrvOsc9kH141WCrNrA
- MS=ms65536053
- google-site-verification=Im2OpRfu2btQEpLc2FbKPWRSqDT11p0jnvpILqhmumk
- jW/c7+2fgyva9sIYw2d7sId0xzapa4OjjGgnn4tOBmKdRrCN1IoiphesC8oDH0W/iKSQAullGdlHUnpjFBuDlA==
- google-site-verification=zG1It2AS6TLBM6oOy1ZLhsCYUxlWvfSzJyAQtA-LYao
- logmein-verification-code=1f6e1054-1d80-4036-ba64-37b36a3f64ac
- cisco-ci-domain-verification=1871ff2bdddf33c8f47bc3828dd9ceec35ab932d15a54037a0ec6bdd5c197e09
- SPFv=spf1 include:spf1.hillsboroughcounty.org include:spf2.hillsboroughcounty.org include:spf3.hillsboroughcounty.org -all
- apple-domain-verification=Tu4cGvnq56RShoXd
- vmware-cloud-verification-705e27d7-f3d9-44fd-be49-ebd24ad20963
- 2UZaCJoN2ukxQsn3+k5xVRzstQwc1VW6oAQbFs5qADXc/3tfoyATccRlcnhVjY1oLPpp+41MzLUOzrJo8zlLpw==
- atlassian-domain-verification=14FpA1BG7aKJLasbuDv3Ks/Mi952TN24jMySUAAT/a6l7Ooba5/10HKK6K6/0Cqm
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