ack.com

Valid Email Server
Domain Lookup › ack.com

Domain Overview

DNS: ✓ 28d ago Checker: ✓ 28d ago
ack.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-18 00:47:30 UTC · ↺ Refresh

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MX Hostnames

  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx2.googlemail.com

MX Priorities

  • alt2.aspmx.l.google.com: 20
  • aspmx2.googlemail.com: 30
  • aspmx3.googlemail.com: 30
  • aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 20

A / AAAA Records

  • 3.211.19.212 ↩ ec2-3-211-19-212.compute-1.amazonaws.com

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 192.178.234.27 ↩ ncsclj-in-f27.1e100.net
  • 2800:3f0:4003:c14::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.62.27 ↩ bc-in-f27.1e100.net
  • 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net

SOA Record

Raw SOA ns-1896.awsdns-45.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1896.awsdns-45.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-921.awsdns-51.net
ns-97.awsdns-12.com
ns-1431.awsdns-50.org
ns-1896.awsdns-45.co.uk

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • google-site-verification=tvQRJAmQwVvd-g-TIcbUSh1DMRJIt-G7-GtMbmZIhg4
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