knack-research.com

Valid Email Server
Domain Lookup › knack-research.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
knack-research.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 02:20:38 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 162.159.143.30
  • 172.66.3.26

Mail Server IPs

  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net
  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA mustafa.ns.cloudflare.com dns.cloudflare.com 2414461747 10000 2400 604800 1800
Primary NS (mname)
mustafa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2414461747
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

mustafa.ns.cloudflare.com
rosalie.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ 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

✓ 1 found
google._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

7 records
  • SPFv=spf1 include:_spf.google.com ~all
  • _amazonses.knack-research.com
  • _cf-custom-hostname.knack-research.com\010 5472486c-97f6-40b2-9e40-f37562bcc531
  • _cf-custom-hostname.www.knack-research.com\010 909bd7c2-7710-4404-85e1-9d7985f501a9
  • cisco-ci-domain-verification=6e10309e08d0ac240cdbd4f3bee3ea9a43d85a656e2cf83bc7b2bcbd5ae0741a
  • facebook-domain-verification=egqw4gxl0cooshz337g3j3s4h5lyb1
  • google-site-verification=flrJF3ZU9Y5j4sIHiu-R-hzejXnkmNyFqw-HNmAuhYE
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