quebueno.es

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
quebueno.es
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 11:15:11 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

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

MX Priorities

  • alt2.aspmx.l.google.com: 20
  • alt3.aspmx.l.google.com: 30
  • alt4.aspmx.l.google.com: 30
  • aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 20

A / AAAA Records

  • 34.248.106.192
  • 176.34.100.88

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net
  • 172.253.139.26 ↩ yuiadsk-in-f26.1e100.net
  • 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1b (no PTR)

SOA Record

Raw SOA ns-1464.awsdns-55.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1464.awsdns-55.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-40.awsdns-05.com
ns-742.awsdns-28.net
ns-1464.awsdns-55.org
ns-1802.awsdns-33.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:amazonses.com include:spf.mandrillapp.com include:spf.mailjet.com include:servers.mcsv.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

8 records
  • google-site-verification=zInEYWc51eEJKOpsVQEDsrsiTFbsaxYB_X1DcvNAvvc
  • openai-domain-verification=dv-BNRVZzjZMM7YmDT1I0r1IcXx
  • SPFv=spf1 include:_spf.google.com include:amazonses.com include:spf.mandrillapp.com include:spf.mailjet.com include:servers.mcsv.net ~all
  • Acumbamail-domain-verification:fab44e02-b7b6-11ef-9980-005056bd5094
  • atlassian-domain-verification=XTHKXJqIXwjxCYItL43YP9KhpCxkBrxVeStm3MUTgoxaEqBBTJY3irutuSPW8xeB
  • cursor-domain-verification-94070g=01wWE2NiJ1zEAsQyEng7z9wbT
  • google-site-verification=lsKugzLhYN5i2y-OKpifqKr2V-DpVdooWylviriZyzU
  • google-site-verification=qfk9rgeto7O0qZemWBDAJu16jjKzqZyYhYX3b0Ut1lo
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 · Customize →
See demo & docs
Deep verification
Full email verification for quebueno.es

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

No credit card required
Get 1,000 Free Credits