z1.app

Valid Email Server
Domain Lookup › z1.app

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
z1.app
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 01:38:35 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • v2oua76ay2chdroxs7jfltmucifpc5kdc2mzw65xiwiarqoaqc4q.mx-verification.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • v2oua76ay2chdroxs7jfltmucifpc5kdc2mzw65xiwiarqoaqc4q.mx-verification.google.com: 15

A / AAAA Records

  • 185.199.110.153
  • 185.199.108.153
  • 185.199.111.153
  • 185.199.109.153

Mail Server IPs

  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.179.27 ↩ pd-in-f27.1e100.net
  • 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net

SOA Record

Raw SOA ns-494.awsdns-61.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-494.awsdns-61.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-494.awsdns-61.com
ns-903.awsdns-48.net
ns-1315.awsdns-36.org
ns-1649.awsdns-14.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:amazonses.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

5 records
  • notion_verify_xk@BBb4+^g}BG1Gnn,._C:jCTne*e~KyY,zo:RZMP%~d^w2u#KB#,ug#C7yccQy,7s4%vT
  • SPFv=spf1 include:_spf.google.com include:amazonses.com ~all
  • MS=674F6DCF81E464114BC2B20C4DE7D5065B6AD29
  • google-site-verification=NCZeUfCqANix4o-5_bQSa2OvDiXeWk_XEjtGvM0n5ME
  • google-site-verification=x6tXc12OZVfAKbo97EihIgL_Pyksqee7Z1HD4r3hP1o
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for z1.app

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits