Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
susd.k12.or.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 10:42:23 UTC · ↺ Refresh
MX Hostnames
- susd-k12-or-us.mail.protection.outlook.com
MX Priorities
- susd-k12-or-us.mail.protection.outlook.com: 0
A / AAAA Records
- 198.237.16.248 (no PTR)
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.douglasesd.k12.or.us postmaster.douglasesd.k12.or.us 200609333 900 600 86400 3600
Primary NS (mname)
ns.douglasesd.k12.or.us
Admin Email (rname)
postmaster@douglasesd.k12.or.us
Serial
200609333
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
dns1.k12.or.us
ns2.douglasesd.k12.or.us
ns.douglasesd.k12.or.us
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:198.237.16.205 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;rua=mailto:[email protected]; pct=100; aspf=s; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- apple-domain-verification=0GVs0Eh6UJym8q3S
- SPFv=spf1 mx ip4:198.237.16.205 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com -all
- BK9ftR0kauy0wlgwVdm5sRBWQI0Eupeah9lsd3XfelZifeZ+7+KzVTP+a70EUljpUB1xwVZUHd2XYzMPGvyjYw==
- google-site-verification=QTGxq1VMBicP9ae7a47LycHe4ZjPuLXvW1UfCy7VE-I
- 8cxycj62lfxx855ntxwy9rf73h9sp67s
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