tectonyc.com

Valid Email Server
Domain Lookup › tectonyc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tectonyc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 23:44:04 UTC · ↺ Refresh

MX Hostnames

  • mail.tectonyc.com

MX Priorities

  • mail.tectonyc.com: 10

A / AAAA Records

  • 104.21.53.126 (no PTR)
  • 172.67.212.214 (no PTR)
  • 2606:4700:3037::ac43:d4d6 (no PTR)
  • 2606:4700:3036::6815:357e (no PTR)

Mail Server IPs

  • 66.135.32.8 ↩ sb10.electronyc.net

SOA Record

Raw SOA lennon.ns.cloudflare.com dns.cloudflare.com 2398816146 10000 2400 604800 1800
Primary NS (mname)
lennon.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398816146
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lennon.ns.cloudflare.com
raegan.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a mx include:sendgrid.net ip4:66.135.32.8 ip4:162.209.77.41 -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

1 record
  • SPFv=spf1 a mx include:sendgrid.net ip4:66.135.32.8 ip4:162.209.77.41 -all
Full email verification for tectonyc.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits