Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dhss.delaware.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 17:40:02 UTC · ↺ Refresh
MX Hostnames
- dhss-delaware-gov.mail.protection.outlook.com
MX Priorities
- dhss-delaware-gov.mail.protection.outlook.com: 10
A / AAAA Records
- 13.107.246.69 (no PTR)
Mail Server IPs
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 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
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.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:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.delaware.gov publicdns.delaware.gov 2019100801 10800 3600 604800 38400
Primary NS (mname)
ns01.delaware.gov
Admin Email (rname)
publicdns@delaware.gov
Serial
2019100801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns01.delaware.gov
ns02.delaware.gov
SPF Record
✓ Strict (-all)
v=spf1 ip4:167.21.0.0/16 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
3 records- SPFv=spf1 ip4:167.21.0.0/16 include:spf.protection.outlook.com -all
- 21668608.spf06.hubspotemail.net
- ms-domain-verification=d7700e40-2b5e-4bb1-bf7c-875e2ba24167
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