sfenvironment.org

Email Relay / Proxy
Domain Lookup › sfenvironment.org
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sfenvironment.org
Yes
✓ Yes
Google
No
No
⚠ Yes
⚠ Yes
No

Checked via [email protected] · 2026-06-03 08:58:31 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
  • alt1.aspmx.l.google.com
  • aspmx5.googlemail.com
  • alt2.aspmx.l.google.com
  • route2.mx.cloudflare.net
  • route1.mx.cloudflare.net
  • route3.mx.cloudflare.net
  • aspmx.l.google.com
  • aspmx4.googlemail.com
  • aspmx3.googlemail.com

MX Priorities

  • aspmx5.googlemail.com: 10
  • route2.mx.cloudflare.net: 30
  • route1.mx.cloudflare.net: 39
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • route3.mx.cloudflare.net: 68
  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • aspmx4.googlemail.com: 10

A / AAAA Records

  • 104.21.52.151
  • 172.67.200.142
  • 2606:4700:3035::ac43:c88e
  • 2606:4700:3035::6815:3497

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 162.159.205.17 ↩ route2.mx.cloudflare.net
  • 162.159.205.18 ↩ route2.mx.cloudflare.net
  • 162.159.205.19 ↩ route2.mx.cloudflare.net
  • 2606:4700:f5::e ↩ route2.mx.cloudflare.net
  • 2606:4700:f5::f ↩ route2.mx.cloudflare.net
  • 2606:4700:f5::10 ↩ route2.mx.cloudflare.net
  • 162.159.205.12 ↩ route1.mx.cloudflare.net
  • 162.159.205.11 ↩ route1.mx.cloudflare.net
  • 162.159.205.13
  • 2606:4700:f5::b
  • 2606:4700:f5::d
  • 2606:4700:f5::c
  • 108.177.123.27
  • 2800:3f0:4003:c0f::1a
  • 172.253.116.27
  • 2a00:1450:400b:c02::1a

SOA Record

Raw SOA luke.ns.cloudflare.com dns.cloudflare.com 2405905431 10000 2400 604800 1800
Primary NS (mname)
luke.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405905431
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sunny.ns.cloudflare.com
luke.ns.cloudflare.com

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • facebook-domain-verification=4q9lvrhhr5165s06q1aw49n5mr9efe
  • google-site-verification=IoGvWEcwg3j7nWBttSh-Kz5ZVoY3EC0CraPtTDORqnI
  • google-site-verification=z7CeOP3kP-fJTRPNEM14cael4mMeZkG8CFaP1OBZeNc
  • SPFv=spf1 include:_spf.mx.cloudflare.net ~all
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 sfenvironment.org

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

No credit card required
Get 1,000 Free Credits