Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marshall.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 02:43:33 UTC · ↺ Refresh
MX Hostnames
- marshall-edu.mail.protection.outlook.com
MX Priorities
- marshall-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:3::7f:0:0:0:2b2 (no PTR)
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-34.azure-dns.com dnsadmin.marshall.edu 2793 3600 1200 259200 3600
Primary NS (mname)
ns1-34.azure-dns.com
Admin Email (rname)
dnsadmin@marshall.edu
Serial
2793
Refresh
3600s
Retry
1200s
Expire
259200s
Minimum TTL
3600s
Nameservers (NS)
ns3-34.azure-dns.org
ns4-34.azure-dns.info
ns1-34.azure-dns.com
ns2-34.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:_u.marshall.edu._spf.dmarcla.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]; fo=d; ri=3600
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
18 records- adobe-idp-site-verification=4198d5dc5e01f65f03edba67917d7510ac37a69b35cdf0ff0f8591522545f503
- jJjiFB4PobwIeKbzW9SeIsKs9K/vcHbzrxQnJI+xLWwOKyPJrxD0yegvb1oj0GCI0n9Hue+n//bWhjMLil2oeQ==
- autodesk-domain-verification=v6mOkXfzOwc6E8i2U_cS
- 00DDp000000K5es=1TBV400000000ZV
- iContact1562104
- aoimsamrbqv57adjtopogogclb
- smartsheet-site-validation=KUzkktxieTPp1pFDNf0vQ-yDk7yYsQ1e
- MS=ms68651341
- adobe-sign-verification=9e7995ea9d392016de05a8a65e0355aa
- U7G9+ZfeD4oYTmZft7dy/868TYPeiKUM6aZMNZZALrfe91zIPRm234njyDs+V19gzDjmlQyvl/PAXSL8Ewb6Ug==
- nn2lr3a9rt1bp5kpf078lneeq0
- abuseipdb-verification=BGtM85jp
- have-i-been-pwned-verification=ca687585fcd428df75d85bf2cc4c13cf
- google-site-verification=HmGCxexYSxxXD-efQ0uLId05-7sKsk6Gi-UinmXpPn0
- SPFv=spf1 include:_u.marshall.edu._spf.dmarcla.com -all
- sending_domain847783=8d36e7c5d2a217ea8a6e417d9782d23850569432240ce2bd7786ec45f1f0ffb8
- apple-domain-verification=9dS7YLdbsErIHaA5
- v+u8j+5G/P9KPSRC9QAwmQZUk6+TqGwX92JSyLpD/1KOGSUvQC4b+xy9z7rzAj4IyhnaMIBNo/ddNm3KDhDcyA==
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