Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cinergy.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 05:04:37 UTC · ↺ Refresh
MX Hostnames
- east.smtp.mx.o365.serverdata.net
MX Priorities
- east.smtp.mx.o365.serverdata.net: 0
A / AAAA Records
- 104.18.18.243 (no PTR)
- 104.18.19.243 (no PTR)
- 2606:4700::6812:12f3 (no PTR)
- 2606:4700::6812:13f3 (no PTR)
Mail Server IPs
- 64.78.25.118 ↩ east.smtp.mx.o365.serverdata.net
SOA Record
Raw SOA
kevin.ns.cloudflare.com dns.cloudflare.com 2395306450 10000 2400 604800 1800
Primary NS (mname)
kevin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395306450
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
robin.ns.cloudflare.com
kevin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:108.166.182.214 ip4:62.13.141.102 ip4:3.218.109.141 a:mailon.spamtitan.com ip4:216.172.165.148 mx include:authsmtp.com include:sendgrid.net include:_spf-mailon-us-1.spamtitan.com include:spf.intermedia.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- hmt88feepro0cc12kdrkrglnbi
- SPFv=spf1 include:spf.protection.outlook.com ip4:108.166.182.214 ip4:62.13.141.102 ip4:3.218.109.141 a:mailon.spamtitan.com ip4:216.172.165.148 mx include:authsmtp.com include:sendgrid.net include:_spf-mailon-us-1.spamtitan.com include:spf.intermedia.net -all
- 0ed1fe018a8d2e34006bc0439b9621df7b1202310b
- MS=ms95967600
- apple-domain-verification=XDdYA7t4XmY9xCBx
- google-site-verification=Eue0gzPjMH2YEy3H8d5qRK4_rjTV_V9POPZLDXttsTs
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