Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
o.delta.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 10:07:07 UTC · ↺ Refresh
MX Hostnames
- inbound-reply.s1.exacttarget.com
MX Priorities
- inbound-reply.s1.exacttarget.com: 10
A / AAAA Records
- 68.232.201.28 ↩ mx-rmm.s1.exacttarget.com
Mail Server IPs
- 68.232.201.17 ↩ inbound-reply.s1.exacttarget.com
SOA Record
Raw SOA
ns1.exacttarget.com hostmaster.exacttarget.com 2026020600 7200 3600 1209600 3600
Primary NS (mname)
ns1.exacttarget.com
Admin Email (rname)
hostmaster@exacttarget.com
Serial
2026020600
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.exacttarget.com
ns4.exacttarget.com
ns1.exacttarget.com
ns2.exacttarget.com
SPF Record
✓ Strict (-all)
v=spf1 include:cust-spf.exacttarget.com include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- spf2.0/pra include:cust-senderid.exacttarget.com -all
- c5927d09177140bc9fdb834670344acf
- google-site-verification=NDlj2l7bL8MHSTdFGDx4_UNlY2Updxx014JI_OiAbLI
- google-site-verification=FolWupIdD2UsNnsfbH5vtDtPovic_YI8K1rmZhu2CQ8
- yahoo-verification-key=JR79wHKM7A4jM4UrwqYz1zgQ2Oex8sVWBWJ6QuL9fT8=
- yahoo-verification-key=tvZwPngUgbSjs0lj9JCfqbVnJoNFo/JmvGt5dH01ozs=
- SPFv=spf1 include:cust-spf.exacttarget.com include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
Full email verification for o.delta.com
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