Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
walkersmarine.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:51:00 UTC · ↺ Refresh
MX Hostnames
- mx-01-us-east-2.prod.hydra.sophos.com
- mx-02-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
- 3.135.50.247 ↩ ec2-3-135-50-247.us-east-2.compute.amazonaws.com
- 18.188.166.138 ↩ ec2-18-188-166-138.us-east-2.compute.amazonaws.com
- 52.14.213.86 ↩ ec2-52-14-213-86.us-east-2.compute.amazonaws.com
Mail Server IPs
- 3.135.48.136 ↩ ec2-3-135-48-136.us-east-2.compute.amazonaws.com
- 18.118.219.4 ↩ ec2-18-118-219-4.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-1398.awsdns-46.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1398.awsdns-46.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1398.awsdns-46.org
ns-1979.awsdns-55.co.uk
ns-242.awsdns-30.com
ns-892.awsdns-47.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf_useast2.prod.hydra.sophos.com include:41356361.spf06.hubspotemail.net include:_spf.psm.knowbe4.com include:smtp.bswift.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- Foxit-domain-verification=6541edf2dd43bf63425adb0fa468d905
- google-site-verification=pHDos9CZnP7bpsKB3rGFVBiJIY5mrji6GX2CJFjFMRo
- sophos-domain-verification=255a6d82ee1d93488a908d0e598a0fc08e6eb0a0
- SPFv=spf1 include:_spf_useast2.prod.hydra.sophos.com include:41356361.spf06.hubspotemail.net include:_spf.psm.knowbe4.com include:smtp.bswift.com -all
- 5p3r237397tu9v4iotfcu1je7o
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