rcsj.edu

Valid Email Server
Domain Lookup › rcsj.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rcsj.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 20:54:46 UTC · ↺ Refresh

MX Hostnames

  • rcsj-edu.mail.protection.outlook.com

MX Priorities

  • rcsj-edu.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.211.71 (no PTR)
  • 104.21.23.128 (no PTR)
  • 2606:4700:3037::ac43:d347
  • 2606:4700:3032::6815:1780

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA elliott.ns.cloudflare.com dns.cloudflare.com 2399161669 10000 2400 604800 1800
Primary NS (mname)
elliott.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399161669
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

elliott.ns.cloudflare.com
elly.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:107.1.86.65 ip4:107.1.86.66 ip4:107.1.86.242 ip4:198.187.196.100 ip4:208.117.49.214 include:servers.mcsv.net include:spf.protection.outlook.com include:_spf.freshsales.io include:spf.blackboardconnect.com include:mh.blackboard.com ip4:142.0.176.0/20 ip4:204.232.162.112/28 ip4:204.232.180.112/29 ip4:204.232.180.128/29 ip4:69.20.119.216/29 ip4:76.12.109.192/27 ip4:67.59.141.128/28 ip4:209.41.176.224/28 ip4:69.48.230.0/25 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; ri=86400;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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

16 records
  • hpv3hct3br7k41k32422g0qxpwshsj63
  • d365mktkey=wsHDIlBflZGNjg2GOblygp7qAdudPOvRaZXaPMo4NIox
  • facebook-domain-verification=aw3rimcejh9fougdhb4jwmkse3ueti
  • adobe-idp-site-verification=a537d9a0a077897c7a33220f0e0090951edf2d02482710d87f8d4b290b3012e8
  • f92f73d804fc464cb9db3d271d46b6db
  • fjn99wbpg13xhm8jb6d9q3khq0rbs3py
  • d365mktkey=ghS5cSStVbm1VrTMcR1iKGRaEtvg7QhIr9tlgAo56dQx
  • SPFv=spf1 ip4:107.1.86.65 ip4:107.1.86.66 ip4:107.1.86.242 ip4:198.187.196.100 ip4:208.117.49.214 include:servers.mcsv.net include:spf.protection.outlook.com include:_spf.freshsales.io include:spf.blackboardconnect.com include:mh.blackboard.com ip4:142.0.176.0/20 ip4:204.232.162.112/28 ip4:204.232.180.112/29 ip4:204.232.180.128/29 ip4:69.20.119.216/29 ip4:76.12.109.192/27 ip4:67.59.141.128/28 ip4:209.41.176.224/28 ip4:69.48.230.0/25 ~all
  • google-site-verification=TaJQeXNMHV7D6QMGkDqDDCVvt7aL7PTZI-SPh-mmTpo
  • a7209fdf019e46389b1f98c19d14cf1c
  • rjxfx77m8kvgjz4kj6mw8f2z5m9jphd3
  • nCbJxSWCU11xMZAR2LrmH0d2j5HeZNpaWsJggMnIfqR+kQbKYzbjEpQVPTqx/uJONtvpXxsoC/Ws0XaT5l3tnQ==
  • bw=3osDbjE4YaPCV7Z0E8p9uTQ1HiyFnCpSnkMawq48IPD9
  • Ppq85ylhnU6k/IlhJDtH/NtkongWHoWdA/Tw4cnTou/DXa1pdaLE6OnGIi87cTHOt+qOXcbRNWk1YfIqdzRZSg==
  • adobe-idp-site-verification=9d53227b38b9e0a81a029d718b299120168c1062743d0fa1207e4ef276e0de42
  • MS=ms15349125
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