redblakk.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
redblakk.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 15:59:11 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

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

A / AAAA Records

  • 104.21.13.129
  • 172.67.200.14
  • 2606:4700:3036::ac43:c80e
  • 2606:4700:3032::6815:d81

Mail Server IPs

  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.139.27 ↩ yuiadsk-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net

SOA Record

Raw SOA kia.ns.cloudflare.com dns.cloudflare.com 2398491065 10000 2400 604800 1800
Primary NS (mname)
kia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398491065
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

renan.ns.cloudflare.com
kia.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:35.208.53.105 include:_spf.mailspamprotection.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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

8 records
  • google-site-verification=VNbbv8wRyFEflGDeGk1SQat16zu0cq9-8wkOC3pGpuA
  • google-site-verification=bbAelDAf1Fc--v6r_NTSG1U__49aUFy_lvi23lIvN9E
  • google-site-verification=fb0mjaWwV3P9B4ywelNOVMDXParW35Kqju1oPWM23Q4
  • SPFv=spf1 +a +mx +ip4:35.208.53.105 include:_spf.mailspamprotection.com ~all
  • SPFv=spf1 include:transmail.net ~all
  • zoho-verification=zb24509738.zmverify.zoho.com
  • MS=AB4719D2D4056F328A9985FB653F0CD75FF187AE
  • apple-domain-verification=Oq55N0EN3KuHyciV
Full email verification for redblakk.com

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