Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
capital.k12.de.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 12:29:20 UTC · ↺ Refresh
MX Hostnames
- capital-k12-de-us.mail.protection.outlook.com
MX Priorities
- capital-k12-de-us.mail.protection.outlook.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.delaware.gov publicdns.delaware.gov 2019091901 10800 3600 604800 38400
Primary NS (mname)
ns01.delaware.gov
Admin Email (rname)
publicdns@delaware.gov
Serial
2019091901
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
7 records- ZOOM_verify_m3S19UStRjimc-GZYdwFOA
- 3G3Yw+4wTTY0RQCBRfDO+JfSYDFlOjKq+mJlfJ6UPEd20cxuuqArQFQd8tCa9gMdBm84GN0zZimnfYhl0Cqt4A==
- adobe-idp-site-verification=28bf4e5719b9ff95badf32ab43b0677188e54ca02859ded8e5cf1056e13ef46c
- oMqKKitF+hmIrUQ2W2eZDVa+kJ2YJDL8UOLpBPjNqlSK/60emdf+GSp7Epr1++FFPNm3uv2poO5VfBmX4vr/eQ==
- apple-domain-verification=2HX705uK09xX43jb
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- google-site-verification=DueoDDJBrzpQVeNo6_gGA2FPoM6TvJTFHVsfBDUsivA
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