Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marinamikes.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 07:08:22 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: 20
- mx-01-us-east-2.prod.hydra.sophos.com: 10
A / AAAA Records
- 3.21.115.235 ↩ ec2-3-21-115-235.us-east-2.compute.amazonaws.com
- 3.12.226.108 ↩ ec2-3-12-226-108.us-east-2.compute.amazonaws.com
- 16.58.179.3 ↩ ec2-16-58-179-3.us-east-2.compute.amazonaws.com
Mail Server IPs
- 18.218.105.173 ↩ ec2-18-218-105-173.us-east-2.compute.amazonaws.com
- 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
SOA Record
Raw SOA
ns-503.awsdns-62.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-503.awsdns-62.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-503.awsdns-62.com
ns-779.awsdns-33.net
ns-1485.awsdns-57.org
ns-1704.awsdns-21.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:_spf_useast2.prod.hydra.sophos.com include:41356361.spf06.hubspotemail.net include:spf.constantcontact.com include:_spf.psm.knowbe4.com ip4:12.47.172.13 ip4:12.47.172.14 include:smtp.bswift.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 include:_spf_useast2.prod.hydra.sophos.com include:41356361.spf06.hubspotemail.net include:spf.constantcontact.com include:_spf.psm.knowbe4.com ip4:12.47.172.13 ip4:12.47.172.14 include:smtp.bswift.com -all
- Foxit-domain-verification=6541edf2dd43bf63425adb0fa468d905
- google-site-verification=pMF-ubtBY3MheQusiW2OYIjYmEEWRDU2YwzMdTX4r7w
- p3034kmattpeuo2n8r7a3hp61f
- smartsheet-site-validation=FdQdK9J9_Yb4Ougf263_Ereg-mSaDJY2
- sophos-domain-verification=e8c377faff5e479f0742e0963df53ec4c1fca110
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