Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
optiline.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 06:35:03 UTC · ↺ Refresh
MX Hostnames
- optiline-com.mail.protection.outlook.com
MX Priorities
- optiline-com.mail.protection.outlook.com: 0
A / AAAA Records
- 50.116.56.184 ↩ 50-116-56-184.ip.linodeusercontent.com
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
ns43.domaincontrol.com dns.jomax.net 2026042403 28800 7200 604800 600
Primary NS (mname)
ns43.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026042403
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns44.domaincontrol.com
ns43.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:64.225.24.38 ip4:50.116.56.184 include:spf-us.emailsignatures365.com include:spf.protection.outlook.com include:_spf.google.com include:transmail.net include:relay.mailchannels.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 236 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
4 records- zoho-verification=zb50750394.zmverify.zoho.com
- MS=ms79706546
- SPFv=spf1 a mx ip4:64.225.24.38 ip4:50.116.56.184 include:spf-us.emailsignatures365.com include:spf.protection.outlook.com include:_spf.google.com include:transmail.net include:relay.mailchannels.net -all
- brevo-code:8b6789613dd15cd30ed660873b0de8e9
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