Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
americansignature.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:52:03 UTC · ↺ Refresh
MX Hostnames
- americansignature-com.mail.protection.outlook.com
MX Priorities
- americansignature-com.mail.protection.outlook.com: 0
A / AAAA Records
- 165.160.15.20 (no PTR)
- 165.160.13.20 (no PTR)
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2020061930 43200 3600 604800 86400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2020061930
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns1.cscdns.net
dns2.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf2.vcf.com include:spf3.vcf.com include:spf4.vcf.com include:spf5.vcf.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; fo=0:1:d:s; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- SPFv=spf1 include:spf2.vcf.com include:spf3.vcf.com include:spf4.vcf.com include:spf5.vcf.com include:spf.protection.outlook.com -all
- MS=ms21134301
- google-site-verification=LH69Jj3_BugPLXjGnrRaMaXq6JJHrIlQtirB55p52kI
- google-site-verification=nM22tYXvaqXVxuobvc2UcMaZl6f21M6oXf2RYKX0cms
- atlassian-domain-verification=HFV90E9mLjkOUSU8U9cCGuYgkd7Yfc5A0vtIx9hfcPQCBJuVXuSCPPBISJHDA8sa
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