Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arapahoecu.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 07:20:48 UTC · ↺ Refresh
MX Hostnames
- arapahoecu-org.mail.protection.outlook.com
MX Priorities
- arapahoecu-org.mail.protection.outlook.com: 10
A / AAAA Records
- 209.17.116.160 (no PTR)
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns49.worldnic.com namehost.worldnic.com 126030212 10800 3600 604800 3600
Primary NS (mname)
ns49.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030212
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns49.worldnic.com
ns50.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:107.0.83.226 ip4:64.19.196.209 ip4:216.145.127.64/27 ip4:64.31.9.144/28 ip4:216.245.214.96/28 ip4:206.80.14.230 ip4:149.72.47.228 include:documatix.com include:spfref.jackhenry.com include:arapahoecu-org.spf.smtp25.com mx a:_mailhosts.swbc.com ~all
📊 DNS lookups: 6/10
~ 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: 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
5 records- m06l3btnglabon2ffhs8oas4kt
- MS=ms70556869
- d5k0p10oui58ufphlo0u079fn6
- SPFv=spf1 include:spf.protection.outlook.com ip4:107.0.83.226 ip4:64.19.196.209 ip4:216.145.127.64/27 ip4:64.31.9.144/28 ip4:216.245.214.96/28 ip4:206.80.14.230 ip4:149.72.47.228 include:documatix.com include:spfref.jackhenry.com include:arapahoecu-org.spf.smtp25.com mx a:_mailhosts.swbc.com ~all
- iRHHBOMstPakl6NEtEIclw==
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