solver4.com

Valid Email Server
Domain Lookup › solver4.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
solver4.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-24 22:41:16 UTC · ↺ Refresh

MX Hostnames

  • solver4-com.mail.protection.outlook.com

MX Priorities

  • solver4-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 74.208.236.209 ↩ 74-208-236-209.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::2ea ↩ 2607-f1c0-100f-f000-0000-0000-0000-02ea.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1087.ui-dns.de hostmaster.1und1.com 2017060140 28800 7200 604800 600
Primary NS (mname)
ns1087.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060140
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1090.ui-dns.com
ns1071.ui-dns.biz
ns1059.ui-dns.org
ns1087.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com ~all
📊 DNS lookups: 5/10
~ 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

2 records
  • SPFv=spf1 include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com ~all
  • v=verifydomain MS=1930811
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