Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smcco.biz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 21:41:17 UTC · ↺ Refresh
MX Hostnames
- smtp1-msp.securence.com
- smtp1-mke.securence.com
MX Priorities
- smtp1-mke.securence.com: 10
- smtp1-msp.securence.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 216.17.3.48 ↩ smtp1.msp.securence.com
SOA Record
Raw SOA
ns-2003.awsdns-58.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-2003.awsdns-58.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2003.awsdns-58.co.uk
ns-40.awsdns-05.com
ns-555.awsdns-05.net
ns-1453.awsdns-53.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:75.140.55.243 ip4:12.203.232.58 ip4:75.140.55.244 a:mail.smcco.biz include:spf.securence.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
2 records- MS=ms94185182
- SPFv=spf1 ip4:75.140.55.243 ip4:12.203.232.58 ip4:75.140.55.244 a:mail.smcco.biz include:spf.securence.com include:spf.protection.outlook.com -all
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