Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seaford.k12.de.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 12:20:41 UTC · ↺ Refresh
MX Hostnames
- seaford-k12-de-us.mail.protection.outlook.com
MX Priorities
- seaford-k12-de-us.mail.protection.outlook.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.delaware.gov publicdns.delaware.gov 2019071701 10800 3600 604800 38400
Primary NS (mname)
ns01.delaware.gov
Admin Email (rname)
publicdns@delaware.gov
Serial
2019071701
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
✓ 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
6 records- apple-domain-verification=RCgbMXoL2P7dGrNz
- MS=72A749742E9EFB2552A7938D4790079CC90C39F3
- google-site-verification=JU724rXKd9b16sB-VO3fxssqYxQndt60aHOa-fKo1aM
- openai-domain-verification=dv-Srro9GyDUfAXwQqXevwN0PR9
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- cisco-ci-domain-verification=4f581a53a2662cd9c940aedef7ee43e0bd4bf0e2d9b88f09602d4b3d6b0b2ec6
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