optimumseismic.com

Valid Email Server
Domain Lookup › optimumseismic.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
optimumseismic.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 18:47:31 UTC · ↺ Refresh

MX Hostnames

  • optimumseismic-com.mail.protection.outlook.com

MX Priorities

  • optimumseismic-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 68.66.239.232 (no PTR)

Mail Server IPs

  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.a2hosting.com root.az1-ts1.a2hosting.com 2026031501 3600 1800 1209600 86400
Primary NS (mname)
ns1.a2hosting.com
Admin Email (rname)
root@az1-ts1.a2hosting.com
Serial
2026031501
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.a2hosting.com
ns4.a2hosting.com
ns1.a2hosting.com
ns2.a2hosting.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:68.66.226.75 include:spf.a2hosting.com include:_spf.google.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

✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 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

6 records
  • google-site-verification=p--dmWI5NXiX34HKqeVyBOD3NxnqqEaAYNiMBKO9Bgs
  • google-site-verification=u_AEBJRWiPebvFyfXdxWF95e9s_FGfSyxKzHBCTrWzk
  • google-site-verification=YYwAh3q56C3PeqQ7f3OaiB6r8BcSClEgUNkeRKMynAU
  • SPFv=spf1 ip4:68.66.226.75 include:spf.a2hosting.com include:_spf.google.com include:spf.protection.outlook.com ~all
  • MS=ms15727950
  • apple-domain-verification=ynyvcth7Kz4TJqAk
Full email verification for optimumseismic.com

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