Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sermat.com.ar
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 05:21:47 UTC · ↺ Refresh
MX Hostnames
- sermat-com-ar.mail.protection.outlook.com
MX Priorities
- sermat-com-ar.mail.protection.outlook.com: 0
A / AAAA Records
- 200.80.43.217 ↩ ivar4.toservers.com
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.towebs.com root.ivar4.toservers.com 2022111707 3600 1800 1209600 86400
Primary NS (mname)
ns1.towebs.com
Admin Email (rname)
root@ivar4.toservers.com
Serial
2022111707
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.towebs.com
ns2.towebs.com
ns4.towebs.com
ns3.towebs.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:200.80.43.217 ip4:181.119.48.184 ip4:200.80.43.104 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:200.80.43.217 ip4:181.119.48.184 ip4:200.80.43.104 include:spf.protection.outlook.com -all
- google-site-verification=QYIwa1Rx5zkXeyrQvsBHRCDYoshO2C-j0km1Zho6ETc
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