Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
emailrue21.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 18:21:01 UTC · ↺ Refresh
MX Hostnames
- reply.s12.exacttarget.com
MX Priorities
- reply.s12.exacttarget.com: 10
A / AAAA Records
- 13.110.204.15 ↩ reply.s12.exacttarget.com
Mail Server IPs
- 13.110.204.15 ↩ reply.s12.exacttarget.com
SOA Record
Raw SOA
ns1.exacttarget.com hostmaster.exacttarget.com 2025041600 7200 3600 1209600 3600
Primary NS (mname)
ns1.exacttarget.com
Admin Email (rname)
hostmaster@exacttarget.com
Serial
2025041600
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.exacttarget.com
ns2.exacttarget.com
ns3.exacttarget.com
ns4.exacttarget.com
SPF Record
✓ Strict (-all)
v=spf1 include:cust-spf.exacttarget.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; ri=43200; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- 31df902zg10csz6dpdjd234l9qs69zn0
- SPFv=spf1 include:cust-spf.exacttarget.com -all
- google-site-verification=_V-7lGpsWiX8T98IdhQpGleMyJ5SC9RgPUNHiq77670
- google-site-verification=x2Dg1UahIg6ctp2sJeDwYGFv83TQl8q3kYvOD7yREYY
Full email verification for emailrue21.com
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