Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
semperfiprinting.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 10:56:23 UTC · ↺ Refresh
MX Hostnames
- semperfiprinting-com.mail.protection.outlook.com
MX Priorities
- semperfiprinting-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.209.230.94 ↩ ec2-3-209-230-94.compute-1.amazonaws.com
- 54.226.20.138 ↩ ec2-54-226-20-138.compute-1.amazonaws.com
Mail Server IPs
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-849.awsdns-42.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-849.awsdns-42.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1526.awsdns-62.org
ns-1686.awsdns-18.co.uk
ns-406.awsdns-50.com
ns-849.awsdns-42.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:amazonses.com include:spf.protection.outlook.com include:spf.mailjet.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- SPFv=spf1 a mx include:amazonses.com include:spf.protection.outlook.com include:spf.mailjet.com -all
- MS=ms17682027
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