33smile.com

Valid Email Server
Domain Lookup › 33smile.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
33smile.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 01:35:49 UTC · ↺ Refresh

MX Hostnames

  • 33smile-com.mail.protection.outlook.com

MX Priorities

  • 33smile-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.72.161 (no PTR)
  • 172.67.153.35 (no PTR)
  • 2606:4700:3034::6815:48a1
  • 2606:4700:3037::ac43:9923

Mail Server IPs

  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA kai.ns.cloudflare.com dns.cloudflare.com 2397377860 10000 2400 604800 1800
Primary NS (mname)
kai.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397377860
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kai.ns.cloudflare.com
raphaela.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com ip4:132.148.74.159 include:secureserver.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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

12 records
  • ca3-cd86ead8f03f417bbb424d861c92c68b
  • ca3-e35f315a731f4179818dcdd66e9dc9ef
  • google-site-verification=BR04iinPQJuk5Kx8PnBusFsQReBJwscwxK1dI6mqzAQ
  • google-site-verification=D7lpaw-VF8I2GaW1V8kinSi7hRmx3HoPkTKDZokBzuE
  • google-site-verification=IjWJ_UEGods0ndaGjkHk03zq0u8_DcAmog1-so4wvKo
  • google-site-verification=cG4B6OJviNBbtgkCiDwFIsOS1tHPkxvjequjtTMAFkY
  • google-site-verification=yixZ7PRt8rsqXmFJ3bACq_-Xi9n8wUWhd_eiMyYSJ9s
  • SPFv=spf1 include:_spf.google.com ip4:132.148.74.159 include:secureserver.net include:spf.protection.outlook.com -all
  • MS=ms44853678
  • MS=ms84914775
  • a3o0m7albo6ppuq36f7rmbc0uo
  • ahrefs-site-verification_35bc4bc3b5308fbcc054c2db7fc1c29247bc06f4430e43441b28fc6b063f40c9
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