gertzconstruction.com

Valid Email Server
Domain Lookup › gertzconstruction.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 15:35:35 UTC · ↺ Refresh

MX Hostnames

  • gertzconstruction.com.us.emailservice.co
  • gertzconstruction.com.us.emailservice.io
  • gertzconstruction.com.us.emailservice.cc

MX Priorities

  • gertzconstruction.com.us.emailservice.cc: 10
  • gertzconstruction.com.us.emailservice.co: 10
  • gertzconstruction.com.us.emailservice.io: 10

A / AAAA Records

  • 172.67.208.67 (no PTR)
  • 104.21.23.9 (no PTR)
  • 2606:4700:3036::6815:1709 (no PTR)
  • 2606:4700:3033::ac43:d043 (no PTR)

Mail Server IPs

  • 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
  • 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
  • 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com

SOA Record

Raw SOA becky.ns.cloudflare.com dns.cloudflare.com 2395742338 10000 2400 604800 1800
Primary NS (mname)
becky.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395742338
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

valentin.ns.cloudflare.com
becky.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.us.emailservice.io -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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 include:spf.us.emailservice.io -all
  • MS=ms78953870
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