Domain Overview
DNS: ✓ 11h ago
Checker: ✓ 11h ago
contactopmd.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-01 04:57:12 UTC · ↺ Refresh
MX Hostnames
- contactopmd-com.mail.protection.outlook.com
MX Priorities
- contactopmd-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.30 (no PTR)
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns4.estrasol.com.mx devnull.sourcedns.com 2026052603 3600 1800 1209600 86400
Primary NS (mname)
ns4.estrasol.com.mx
Admin Email (rname)
devnull@sourcedns.com
Serial
2026052603
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.estrasol.com.mx
nsl4.estrasol.com.mx
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.28.85.114 ip4:50.28.72.76 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
1 record- SPFv=spf1 ip4:50.28.85.114 ip4:50.28.72.76 include:spf.protection.outlook.com -all
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