Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sanfordbrown.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 08:33:10 UTC · ↺ Refresh
MX Hostnames
- mailbag.careered.com
MX Priorities
- mailbag.careered.com: 1
A / AAAA Records
- 216.59.59.84 ↩ redirect-ip-84-v4.customer.totaluptime.net
- 2602:ffe2:99::123 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
a1.uberns.com hostmaster.careered.com 2025030500 10800 1800 2592000 3600
Primary NS (mname)
a1.uberns.com
Admin Email (rname)
hostmaster@careered.com
Serial
2025030500
Refresh
10800s
Retry
1800s
Expire
2592000s
Minimum TTL
3600s
Nameservers (NS)
b1.uberns.com
a1.uberns.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=lGjiZgwdn_xXKdraoGInIgOWi71-mA4vBG84_wAmMBE
- SPFv=spf1 -all
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