optretina.com

Valid Email Server
Domain Lookup › optretina.com

Domain Overview

DNS: ✓ just now Checker: ✓ just now
optretina.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 09:55:46 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

  • aspmx2.googlemail.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • aspmx2.googlemail.com: 40
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 52.57.65.112 ↩ ec2-52-57-65-112.eu-central-1.compute.amazonaws.com

Mail Server IPs

  • 172.253.157.26 ↩ yubrupd-in-f26.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 192.178.234.27 ↩ ncsclj-in-f27.1e100.net
  • 2800:3f0:4003:c14::1b (no PTR)
  • 2800:3f0:4003:c14::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 173.194.45.26 ↩ yuiadum-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net

SOA Record

Raw SOA lloyd.ns.cloudflare.com dns.cloudflare.com 2415378354 10000 2400 604800 1800
Primary NS (mname)
lloyd.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415378354
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lloyd.ns.cloudflare.com
rosalie.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx a include:amazonses.com include:_spf.google.com include:spf.mandrillapp.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict 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

✗ 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
  • google-site-verification=WxRRkHsE9LqPLwEhKGU3MyIbivZCf09wzq_r5LCUDA4
  • SPFv=spf1 mx a include:amazonses.com include:_spf.google.com include:spf.mandrillapp.com -all
  • MS=ms80379380
  • atlassian-domain-verification=ZRwCqzViGMv1HaJ29fRCCEUu76ynra9z/5UmRL2SaZzWU/3zxWRYg6wmae676OQI
  • facebook-domain-verification=p33uwwhco89ehszzccx2wzjafhh81z
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 optretina.com

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

No credit card required
Get 1,000 Free Credits