southern.edu

Valid Email Server
Domain Lookup › southern.edu
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
southern.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 10:01:17 UTC · ↺ Refresh

MX Hostnames

  • mxb-00157602.gslb.pphosted.com
  • mxa-00157602.gslb.pphosted.com

MX Priorities

No priority data.

A / AAAA Records

  • 216.229.224.250

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns0.intranet.southern.edu
ns1.southern.edu
ns4.southern.edu
ns3.southern.edu
ns5.wireless.southern.edu
ns2.southern.edu

SPF Record

✓ Strict (-all)
v=spf1 ip4:216.229.224.0/24 ip4:54.240.121.247 ip4:54.240.121.248 include:spf.protection.outlook.com include:_spf0.southern.edu include:_spf1.southern.edu include:_spf2.southern.edu include:_spf3.southern.edu -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=s; adkim=s; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 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

9 records
  • google-site-verification=qwcN7l4Pj8KH1L-_OUGqmTReWqMFaXbjSuiy4MA13T8
  • google-site-verification=1A22-fJiyAIZ1SF7M_jcu1EAnrZTn_a0xv6sBBqBQck
  • 8opuml8dufsosune48k2ue4kka
  • include:22235947.spf01.hubspotemail.net
  • atlassian-sending-domain-verification=2f7f8ae6-3c79-4fac-b9b6-63ce94fc6a8a
  • SPFv=spf1 ip4:216.229.224.0/24 ip4:54.240.121.247 ip4:54.240.121.248 include:spf.protection.outlook.com include:_spf0.southern.edu include:_spf1.southern.edu include:_spf2.southern.edu include:_spf3.southern.edu -all
  • atlassian-domain-verification=RJQmbN006adDsVpkXVtX/5Ip9dGyio18UnBmDswbkSQFFltA9bzYH/uh3Qc8K8bp
  • _h2jpqnirlratn3bn4wnxvcbxltrn06d
  • google-site-verification=Ts-Bv4-_XrRX9HZe5gsG-TK0njg7qyWGstXsDRthbno
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