Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rmu.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 23:55:22 UTC · ↺ Refresh
MX Hostnames
- mxb-00006a01.gslb.pphosted.com
- mxa-00006a01.gslb.pphosted.com
MX Priorities
- mxb-00006a01.gslb.pphosted.com: 0
- mxa-00006a01.gslb.pphosted.com: 0
A / AAAA Records
- 23.185.0.1 (no PTR)
- 2620:12a:8001::1 (no PTR)
- 2620:12a:8000::1 (no PTR)
Mail Server IPs
- 66.159.239.196 ↩ mx0b-00006a01.pphosted.com
SOA Record
Raw SOA
ns-1522.awsdns-62.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1522.awsdns-62.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-652.awsdns-17.net
ns-126.awsdns-15.com
ns-1522.awsdns-62.org
ns-1845.awsdns-38.co.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.159.241.224 ip4:66.159.239.196 ip4:64.254.132.54 ip4:206.107.42.249 ip4:206.107.42.254 ip4:209.143.65.66/26 ip4:128.242.118.200 ip4:50.31.43.252 ip4:198.187.196.100 ip4:198.187.196.130 include:_spf.google.com include:spf.elluciancloud.com include:outboundmail.blackbaud.net include:spf.constantcontact.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; aspf=r; rua=mailto:[email protected],mailto:[email protected]; adkim=r; ruf=mailto:[email protected],mailto:[email protected]; fo=1; rf=afrf; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
google._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- atlassian-domain-verification=kBsO5oZ8dueLTrkBm30jqd5jcTT3Suqc9RzoaJNtXqZ0Sa4DPTuBhPJM4wwTqvB0
- atlassian-sending-domain-verification=04c264bf-8958-4157-a471-dae5d837ac51
- docusign=1b0695dd-58b8-44d3-bb7e-fed2f6d59e57
- google-site-verification=ANINuSiHVjE4XKOqLv_poTQXzVmSz8nhRV09HBu3I5o
- jamf-site-verification=xpkXlPUzKASX7li9hbU_-A
- lcsiqrbd588t38u6iiopeg17k9
- SPFv=spf1 ip4:66.159.241.224 ip4:66.159.239.196 ip4:64.254.132.54 ip4:206.107.42.249 ip4:206.107.42.254 ip4:209.143.65.66/26 ip4:128.242.118.200 ip4:50.31.43.252 ip4:198.187.196.100 ip4:198.187.196.130 include:_spf.google.com include:spf.elluciancloud.com include:outboundmail.blackbaud.net include:spf.constantcontact.com -all
- 39nt378asm6nrb60edng7g7od5
- AS2TrustedDomains=*.rmu.edu
- PSMPLEFT55E6ADFNJLSWXXXT5JV5APZ44KSB0CMU9
- _b58vn4i41s75h6qzek6fmi7t4l12kd7
- adobe-idp-site-verification=47609addf4826fb06078b81b3c34a8874aa881418edaeb1a94a54e3dc326f984
- apple-domain-verification= 8kMMqRoEPphDGVHu
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