Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jbengineeringsolutions.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 10:52:33 UTC · ↺ Refresh
MX Hostnames
- mail.jbengineeringsolutions.com
MX Priorities
- mail.jbengineeringsolutions.com: 10
A / AAAA Records
- 213.158.90.181 ↩ linux2827.grserver.gr
- 2a00:1c98:1010:1::ab ↩ linux2827.grserver.gr
Mail Server IPs
- 213.158.90.181 ↩ linux2827.grserver.gr
- 2a00:1c98:1010:1::ab ↩ linux2827.grserver.gr
SOA Record
Raw SOA
ns334.grserver.gr hostmaster.grserver.gr 2025082904 10800 3600 1209600 1800
Primary NS (mname)
ns334.grserver.gr
Admin Email (rname)
hostmaster@grserver.gr
Serial
2025082904
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns333.grserver.gr
ns334.grserver.gr
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:_spf.fastmail.gr include:relay.mailchannels.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo 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
1 record- SPFv=spf1 +a +mx include:_spf.fastmail.gr include:relay.mailchannels.net -all
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