Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simarco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:35:29 UTC · ↺ Refresh
MX Hostnames
- simarco-com.mail.protection.outlook.com
MX Priorities
- simarco-com.mail.protection.outlook.com: 1
A / AAAA Records
- 185.199.220.36 ↩ krypton.cloudhosting.uk
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns75.domaincontrol.com dns.jomax.net 2025111802 28800 7200 604800 600
Primary NS (mname)
ns75.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025111802
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns75.domaincontrol.com
ns76.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:109.176.82.195 ip4:193.117.212.122 ip4:37.122.212.17 ip4:92.207.133.18 ip4:51.140.37.132 ip4:51.141.5.228 ip4:185.53.59.17 ip4:157.231.92.37 ip4:20.68.206.184 ip4:20.108.53.232 include:spf.protection.outlook.com include:_spf.tacklephishing.com include:spf.mailjet.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ 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
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:109.176.82.195 ip4:193.117.212.122 ip4:37.122.212.17 ip4:92.207.133.18 ip4:51.140.37.132 ip4:51.141.5.228 ip4:185.53.59.17 ip4:157.231.92.37 ip4:20.68.206.184 ip4:20.108.53.232 include:spf.protection.outlook.com include:_spf.tacklephishing.com include:spf.mailjet.com ~all
Full email verification for simarco.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits