Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
rustchecknow.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 12:52:22 UTC · ↺ Refresh
MX Hostnames
- rustchecknow.com
MX Priorities
- rustchecknow.com: 0
A / AAAA Records
- 51.79.21.37 ↩ ns566960.ip-51-79-21.net
Mail Server IPs
- 51.79.21.37 ↩ ns566960.ip-51-79-21.net
SOA Record
Raw SOA
ns1.odedi273168.mywhc.ca sysadmin.whc.ca 2026033001 3600 1800 1209600 86400
Primary NS (mname)
ns1.odedi273168.mywhc.ca
Admin Email (rname)
sysadmin@whc.ca
Serial
2026033001
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.odedi273168.mywhc.ca
ns2.odedi273168.mywhc.ca
ns3.odedi273168.mywhc.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:51.79.21.37 +a +mx +ip4:173.209.36.110 +ip4:173.209.51.190 +ip4:72.10.173.20 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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 ip4:51.79.21.37 +a +mx +ip4:173.209.36.110 +ip4:173.209.51.190 +ip4:72.10.173.20 ~all
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