tls.su

Valid Email Server
Domain Lookup › tls.su
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
tls.su
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-27 19:58:42 UTC · ↺ Refresh

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MX Hostnames

  • mx.tls.su

MX Priorities

  • mx.tls.su: 10

A / AAAA Records

  • 144.34.224.75 ↩ 144.34.224.75.16clouds.com

Mail Server IPs

  • 185.228.137.220 ↩ mx.tls.su
  • 2a03:4000:23:a2:98c2:e1ff:fe31:fe65 ↩ mx.tls.su

SOA Record

Raw SOA kay.ns.cloudflare.com dns.cloudflare.com 2410455109 10000 2400 604800 1800
Primary NS (mname)
kay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2410455109
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kay.ns.cloudflare.com
peyton.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.228.137.220 ip6:2a03:4000:23:a2:98c2:e1ff:fe31:fe65 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]!10m
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m

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

3 records
  • ca3-c93491b3104f4652be0b74622b99aece
  • SPFv=spf1 ip4:185.228.137.220 ip6:2a03:4000:23:a2:98c2:e1ff:fe31:fe65 mx -all
  • ca3-444e97403f184a009385a1b1b1c2e411
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