Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centralgatech.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 14:40:31 UTC · ↺ Refresh
MX Hostnames
- mx1.hc4168-54.iphmx.com
- mx2.hc4168-54.iphmx.com
MX Priorities
- mx2.hc4168-54.iphmx.com: 20
- mx1.hc4168-54.iphmx.com: 10
A / AAAA Records
- 72.162.132.28 (no PTR)
Mail Server IPs
- 68.232.146.77 ↩ esa1.hc4168-54.iphmx.com
- 68.232.154.204 ↩ esa2.hc4168-54.iphmx.com
SOA Record
Raw SOA
ns1-06.azure-dns.com hostmaster.centralgatech.edu 2014122462 900 600 86400 3600
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
hostmaster@centralgatech.edu
Serial
2014122462
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com exists:%{i}.spf.hc4168-54.iphmx.com exists:%{i}._spf.mta.salesforce.com ip4:69.196.241.0/24 ip4:72.162.132.6 ip4:69.196.242.128/28 ip4:192.230.230.0/25 ip4:37.216.222.128/28 ip4:69.196.238.0/28 ip4:192.230.237.0/24 ip4:192.230.238.0/24 ip4:64.74.237.230/31 ip4:216.147.212.20/30 ip4:104.20.210.250 ip4:167.89.16.8 ip4:104.47.0.0/17 ip4:72.162.1.0/24 include:mail.centralgatech.edu include:sendgrid.net include:_spf1.mailgun.org include:_spf2.mailgun.org -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=100;aspf=r;adkim=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
4 records- apple-domain-verification=XY1T09Q1OTXDKI0w
- bw=1nqFcgO2Phi4ucvA8L97/evTZVXYiQHP6kodhEIPiDSK
- d7g47eot0fmrc0ommgmieqoreo
- SPFv=spf1 include:spf.protection.outlook.com exists:%{i}.spf.hc4168-54.iphmx.com exists:%{i}._spf.mta.salesforce.com ip4:69.196.241.0/24 ip4:72.162.132.6 ip4:69.196.242.128/28 ip4:192.230.230.0/25 ip4:37.216.222.128/28 ip4:69.196.238.0/28 ip4:192.230.237.0/24 ip4:192.230.238.0/24 ip4:64.74.237.230/31 ip4:216.147.212.20/30 ip4:104.20.210.250 ip4:167.89.16.8 ip4:104.47.0.0/17 ip4:72.162.1.0/24 include:mail.centralgatech.edu include:sendgrid.net include:_spf1.mailgun.org include:_spf2.mailgun.org -all
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