skilldbuild.com

Valid Email Server

Domain Overview

DNS: ✓ 15h ago Checker: ✓ 15h ago
skilldbuild.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 08:42:29 UTC · ↺ Refresh

MX Hostnames

  • ALT2.ASPMX.L.GOOGLE.com
  • ALT3.ASPMX.L.GOOGLE.com
  • ALT1.ASPMX.L.GOOGLE.com
  • ASPMX.L.GOOGLE.com
  • ALT4.ASPMX.L.GOOGLE.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • alt4.aspmx.l.google.com: 10
  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 5
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 165.140.156.73

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net

SOA Record

Raw SOA ns1.cloud-160507.managed-vps.net admin.skilldbuild.com 2025021579 86400 7200 2400000 86400
Primary NS (mname)
ns1.cloud-160507.managed-vps.net
Admin Email (rname)
admin@skilldbuild.com
Serial
2025021579
Refresh
86400s
Retry
7200s
Expire
2400000s
Minimum TTL
86400s

Nameservers (NS)

ns1.cloud-160507.managed-vps.net
ns2.cloud-160507.managed-vps.net

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:165.140.156.73 include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

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 +a +mx +ip4:165.140.156.73 include:_spf.google.com -all
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