Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
solunion.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 12:00:31 UTC · ↺ Refresh
MX Hostnames
- solunion-co.mail.protection.outlook.com
MX Priorities
- solunion-co.mail.protection.outlook.com: 3
A / AAAA Records
- 77.240.112.10 ↩ showerthinking2.acens.net
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
esdns1.mapfre.com dnsadmin.mapfre.com 2026011901 900 600 86400 3600
Primary NS (mname)
esdns1.mapfre.com
Admin Email (rname)
dnsadmin@mapfre.com
Serial
2026011901
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
esdns1.mapfre.com
esdns2.mapfre.com
esdns3.mapfre.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:83.169.91.63/32 ip4:83.169.91.97/32 ip4:69.169.228.106 ip4:69.169.228.107 ip4:69.169.228.87 ip4:69.169.228.96 include:mktomail.com include:mpfsr.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
5 records- SPFv=spf1 ip4:83.169.91.63/32 ip4:83.169.91.97/32 ip4:69.169.228.106 ip4:69.169.228.107 ip4:69.169.228.87 ip4:69.169.228.96 include:mktomail.com include:mpfsr.com -all
- _jnklvx49yx487h7jge8ttv1q7k18pr5
- MS=ms79176273
- Ol5gD0oERGK9w72GP8MKjFKvqLwa0guKZb1bOPwzHdo4ONQI4D0VieKCpmp4FK37s2QdY322ZJAnwpS8MHPlwQ==
- MS=ms61591991
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