Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smartsign.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 12:56:01 UTC · ↺ Refresh
MX Hostnames
- smartsign-com.mail.protection.outlook.com
MX Priorities
- smartsign-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.30.104 (no PTR)
- 104.17.31.104 (no PTR)
- 2606:4700::6811:1f68
- 2606:4700::6811:1e68
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
cory.ns.cloudflare.com dns.cloudflare.com 2399459825 10000 2400 604800 1800
Primary NS (mname)
cory.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399459825
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gene.ns.cloudflare.com
cory.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:24.103.28.243/32 ip4:70.18.212.42/32 ip4:20.81.142.14/32 ip4:18.209.182.237/32 ip4:198.37.145.8/32 ip4:18.211.196.135/32 ip4:13.82.47.53/32 ip4:20.163.233.87/32 ip4:34.202.130.15/32 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.google.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=112FEDDE80A4C79A6755F987C0F3ACEE37BBA6A7
- jA81QM2cQeDgTlyEqE9LzdfhAJt7Qy
- SPFv=spf1 ip4:24.103.28.243/32 ip4:70.18.212.42/32 ip4:20.81.142.14/32 ip4:18.209.182.237/32 ip4:198.37.145.8/32 ip4:18.211.196.135/32 ip4:13.82.47.53/32 ip4:20.163.233.87/32 ip4:34.202.130.15/32 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.google.com ~all
Full email verification for smartsign.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits