greatlakesortho.com

Valid Email Server
Domain Lookup › greatlakesortho.com

Domain Overview

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

Checked via [email protected] · 2026-03-17 22:25:44 UTC · ↺ Refresh

MX Hostnames

  • mx-02-us-east-2.prod.hydra.sophos.com
  • mx-01-us-east-2.prod.hydra.sophos.com

MX Priorities

  • mx-02-us-east-2.prod.hydra.sophos.com: 10
  • mx-01-us-east-2.prod.hydra.sophos.com: 20

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 3.135.48.136 ↩ ec2-3-135-48-136.us-east-2.compute.amazonaws.com
  • 18.189.107.171 ↩ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
  • 18.218.105.173 ↩ ec2-18-218-105-173.us-east-2.compute.amazonaws.com

SOA Record

Raw SOA megan.ns.cloudflare.com dns.cloudflare.com 2397920412 10000 2400 604800 1800
Primary NS (mname)
megan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397920412
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

megan.ns.cloudflare.com
zeus.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:40.135.91.59 ip4:40.135.91.62 ip4:52.73.255.192/26 ip4:52.200.60.192/26 include:amazonses.com ip4:63.131.70.150 include:_spf.prod.hydra.sophos.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ 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

4 records
  • MS=95C51403750F430D0F207F900A8AE276D2301FE9
  • MS=ms35005907
  • sophos-domain-verification=d49b6d696e6ac787400f7da93d07abf1877c3c97
  • SPFv=spf1 mx ip4:40.135.91.59 ip4:40.135.91.62 ip4:52.73.255.192/26 ip4:52.200.60.192/26 include:amazonses.com ip4:63.131.70.150 include:_spf.prod.hydra.sophos.com include:spf.emailsignatures365.com -all
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