db-gc.com

Valid Email Server
Domain Lookup › db-gc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
db-gc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 16:05:50 UTC · ↺ Refresh

MX Hostnames

  • dbgc-com0e.mail.protection.outlook.com

MX Priorities

  • dbgc-com0e.mail.protection.outlook.com: 10

A / AAAA Records

  • 146.190.56.13 ↩ server09-sfo3.seattleserver.com

Mail Server IPs

  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA a.ns.seattleserver.com support.seattleserver.com 2026021401 3600 1800 1209600 86400
Primary NS (mname)
a.ns.seattleserver.com
Admin Email (rname)
support@seattleserver.com
Serial
2026021401
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

b.ns.seattleserver.com
a.ns.seattleserver.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:146.190.56.13 +a +mx +ip4:169.59.11.252 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

✓ 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 ip4:146.190.56.13 +a +mx +ip4:169.59.11.252 include:spf.protection.outlook.com ~all
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