Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rrfedu.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 01:53:25 UTC · ↺ Refresh
MX Hostnames
- rrfedu-com.mail.protection.outlook.com
MX Priorities
- rrfedu-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.72.125 (no PTR)
- 172.67.184.161 (no PTR)
- 2606:4700:3033::6815:487d
- 2606:4700:3035::ac43:b8a1
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
earl.ns.cloudflare.com dns.cloudflare.com 2399678490 10000 2400 604800 1800
Primary NS (mname)
earl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399678490
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
earl.ns.cloudflare.com
michelle.ns.cloudflare.com
SPF Record
✓ Strict (-all)
V=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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
11 records- SPFV=spf1 include:spf.protection.outlook.com -all
- ZOOM_verify_MBPrYdXHRNSJGHtjKKmB3w
- adobe-idp-site-verification=389476bcde2b68f05244c2f129bfbf0
- adobe-sign-verification=389476bcde2b68f05244c2f129bfbf0
- google-site-verification=6wS9oz42KEsVnFGCAjUqHTXJ3T9XoVX3-oeTmpE6iqU
- google-site-verification=dBL_2PJMm2qedaVJwxOd_X3Mmwb--Dyh41DjYB_vJ5k
- pardot656873=5964ceba334764f526cb564eec7ef18666bb0d772a89b8d37cf0e6ecad04b4e1
- pardot656873=c29834e35846728884ba6bbc47da4cc331bc839513cf1c735966d573c666977e
- SPFv=spf1 ip4:164.90.148.154 include:servers.mcsv.net include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.salesforce.com ~all
- 00d70000000jyawea0
- MS=ms43340888
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