stlukesonline.org

No Valid Email Server
Domain Lookup › stlukesonline.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stlukesonline.org
No
None
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 08:31:32 UTC · ↺ Refresh

MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

  • 172.64.151.135 (no PTR)
  • 104.18.36.121 (no PTR)
  • 2606:4700:440a::6812:2479 (no PTR)
  • 2a06:98c1:3107::ac40:9787 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA dave.ns.cloudflare.com dns.cloudflare.com 2397621769 10000 2400 604800 1800
Primary NS (mname)
dave.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397621769
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dave.ns.cloudflare.com
harleigh.ns.cloudflare.com

SPF Record

✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected] ;ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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

6 records
  • rovag_verification_token=7D1601024D454BE1ACF377A4AE5DD294
  • SPFv=spf1 -all
  • _pcrrtgf8dioj5h8klu9sod08rpwyzkh
  • _v1lcnnslqfszl0uwxhgp7qs1cbqk9nd
  • apple-domain-verification=C5XwIVEaIRbMVljKCuVVebd3Fq0mbNzsDge1Cc5_1FI
  • google-site-verification=1Phm-khEdceW8Pi8NTpF5MRTsv0vRx6ijnb7X3femyA
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 stlukesonline.org

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

No credit card required
Get 1,000 Free Credits