Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trestian.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 18:45:11 UTC · ↺ Refresh
MX Hostnames
- mx10.antispam.mailspamprotection.com
- mx30.antispam.mailspamprotection.com
- mx20.antispam.mailspamprotection.com
MX Priorities
- mx30.antispam.mailspamprotection.com: 30
- mx10.antispam.mailspamprotection.com: 10
- mx20.antispam.mailspamprotection.com: 20
A / AAAA Records
- 104.21.4.225 (no PTR)
- 172.67.132.142 (no PTR)
- 2606:4700:3033::6815:4e1 (no PTR)
- 2606:4700:3034::ac43:848e (no PTR)
Mail Server IPs
- 34.111.121.216 ↩ 216.121.111.34.bc.googleusercontent.com
- 34.149.79.66 ↩ 66.79.149.34.bc.googleusercontent.com
- 34.120.156.61 ↩ 61.156.120.34.bc.googleusercontent.com
SOA Record
Raw SOA
ariadne.ns.cloudflare.com dns.cloudflare.com 2397130948 10000 2400 604800 1800
Primary NS (mname)
ariadne.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397130948
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ariadne.ns.cloudflare.com
chris.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:trestian.com.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx include:trestian.com.spf.auto.dnssmarthost.net ~all
- google-site-verification=DYwpgQ9kv0TdlY41BYNWZ1WgcyNpAEsnp9x4OR3WOXA
Full email verification for trestian.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits