luz-ef.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
luz-ef.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-02 12:00:59 UTC ยท โ†บ Refresh

MX Hostnames

  • luzef-com0i.mail.protection.outlook.com

MX Priorities

  • luzef-com0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 147.79.89.183 (no PTR)

Mail Server IPs

  • 52.101.198.0 โ†ฉ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.198.1 โ†ฉ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 52.101.198.38 โ†ฉ mail-cp3p284cu00706.inbound.protection.outlook.com
  • 52.101.200.0 โ†ฉ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94c:: โ†ฉ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94a:: โ†ฉ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::2 โ†ฉ mail-cp3p284cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::1 โ†ฉ mail-cp4p284cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns543.pair.com root.pair.com 2026020214 3600 300 604800 3600
Primary NS (mname)
ns543.pair.com
Admin Email (rname)
root@pair.com
Serial
2026020214
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns00.ns0.com
ns543.pair.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com include:luzspf.luz-ef.com include:mail.zendesk.com ip4:177.47.24.21/29 ip4:177.47.24.82/29 ip4:177.92.65.83/28 ip4:201.48.67.49/29 ip4:201.31.238.208/28 ip4:179.191.106.10/29 ip4:200.211.14.82/28 -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=r;fo=1;
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: reject

DKIM Selectors

โœ“ 1 found
default._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • 1h0qo9nkq93ckr2cek162j5kql
  • cgoeqcmlu4r5o1nnjul3eitork
  • pkcmp20to8ntue6ppoq910io7s
  • SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com include:luzspf.luz-ef.com include:mail.zendesk.com ip4:177.47.24.21/29 ip4:177.47.24.82/29 ip4:177.92.65.83/28 ip4:201.48.67.49/29 ip4:201.31.238.208/28 ip4:179.191.106.10/29 ip4:200.211.14.82/28 -all
  • zoho-verification=zb18167174.zmverify.zoho.com
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

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

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

No credit card required
Get 1,000 Free Credits