opgen.com

Valid Email Server
Domain Lookup › opgen.com

Domain Overview

DNS: ✓ 4h ago Checker: ✓ 4h ago
opgen.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 11:50:10 UTC · ↺ Refresh

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MX Hostnames

  • opgen-com.mail.protection.outlook.com

MX Priorities

  • opgen-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 35.212.122.49 ↩ 49.122.212.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 13 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
13
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ptr ip4:64.95.71.141 a:dnsma.accellion.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • opgen.pstn.ctteams.services
  • SPFv=spf1 ptr ip4:64.95.71.141 a:dnsma.accellion.com include:spf.protection.outlook.com ~all
  • globalsign-domain-verification=4d44178d80d8acf0237c0e104fcbd07e
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