Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
doe.k12.de.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 07:49:12 UTC · ↺ Refresh
MX Hostnames
- doe-k12-de-us.mail.protection.outlook.com
MX Priorities
- doe-k12-de-us.mail.protection.outlook.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.delaware.gov publicdns.delaware.gov 2019101601 10800 3600 604800 38400
Primary NS (mname)
ns01.delaware.gov
Admin Email (rname)
publicdns@delaware.gov
Serial
2019101601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns01.delaware.gov
ns02.delaware.gov
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; 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
✓ 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
11 records- apple-domain-verification=eZndIUNAuOxVCOmW
- openai-domain-verification=dv-Z1Atq0Y112b7G9YnP5S5rROg
- brevo-code:6867d201687fe188b81e9df0e2e70126
- CJeW7nwfsGYoJspIMQSu7N2B7XtqmvbV2zz+ktF99la4Ik21mF2IxhsCei9Xmk90/215Ls7Dsj7XjEsMJiWhOA==
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- e2ma-verification=876fb
- vzDff4Mtw7J+Ur0uCR9s4NWA2qZWuARC9zkEH2pJfLggnb44NnEd0lSjb8NsMuw1A72d9pVZqvSRKBD48YTS8A==
- ZOOM_verify_KFzVC6qLEMsYU9enPuuOV4
- cisco-ci-domain-verification=791c699db72dacfa8aa335f1f68b1af1962684fc2f1b5049e7f846e7453d7029
- adobe-idp-site-verification=a30dc407a792200761c1eb9c65b5cdaa63bd4a84144d47c0e0bad1f60edfec72
- google-site-verification=eZpUKd3pbluLFltNziG9i3bxq3kHm8UFs4uAwP3KrDU
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