overdue-linkedin.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
overdue-linkedin.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-19 08:42:19 UTC · ↺ Refresh

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MX Hostnames

  • overduelinkedin-com01i.mail.protection.outlook.com

MX Priorities

  • overduelinkedin-com01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 51.68.132.246 ↩ route-a3.hosting.markets

Mail Server IPs

  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.pmasteck.com okonjohn133.gmail.com 2026061901 3600 1800 1209600 86400
Primary NS (mname)
ns1.pmasteck.com
Admin Email (rname)
okonjohn133@gmail.com
Serial
2026061901
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns6.pmasteck.com
ns1.pmasteck.com
ns2.pmasteck.com
ns5.pmasteck.com

SPF Record

✓ Strict (-all)
v=spf1 +ip4:79.137.68.87 +include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

✓ 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 +ip4:79.137.68.87 +include:spf.protection.outlook.com -all
  • DMARCv=DMARC1; p=none;
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