knck.io

Valid Email Server
Domain Lookup › knck.io

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
knck.io
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 08:40:01 UTC · ↺ Refresh

MX Hostnames

  • mxa.mailgun.org
  • mxb.mailgun.org

MX Priorities

  • mxb.mailgun.org: 10
  • mxa.mailgun.org: 10

A / AAAA Records

  • 44.222.10.25 ↩ ec2-44-222-10-25.compute-1.amazonaws.com
  • 3.213.65.9 ↩ ec2-3-213-65-9.compute-1.amazonaws.com
  • 54.173.213.28 ↩ ec2-54-173-213-28.compute-1.amazonaws.com
  • 52.203.235.170 ↩ ec2-52-203-235-170.compute-1.amazonaws.com
  • 32.195.26.115 ↩ ec2-32-195-26-115.compute-1.amazonaws.com
  • 44.205.121.126 ↩ ec2-44-205-121-126.compute-1.amazonaws.com

Mail Server IPs

  • 34.149.236.64 ↩ 64.236.149.34.bc.googleusercontent.com
  • 34.160.63.108 ↩ 108.63.160.34.bc.googleusercontent.com

SOA Record

Raw SOA ns-27.awsdns-03.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-27.awsdns-03.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1066.awsdns-05.org
ns-1774.awsdns-29.co.uk
ns-27.awsdns-03.com
ns-728.awsdns-27.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:159.135.239.116 ip4:161.38.194.150 ip4:161.38.195.226 include:mailgun.org -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; ri=43200;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • google-site-verification=kX385mPm3fWjSAX3HEbc3KNO2ayYbiqHEVWphCkAmEY
  • SPFv=spf1 ip4:159.135.239.116 ip4:161.38.194.150 ip4:161.38.195.226 include:mailgun.org -all
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