Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
key-card.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 06:02:51 UTC · ↺ Refresh
MX Hostnames
- mx.runbox.com
MX Priorities
- mx.runbox.com: 10
A / AAAA Records
- 51.103.218.194 (no PTR)
Mail Server IPs
- 185.226.149.25 ↩ aibo.runbox.com
SOA Record
Raw SOA
ns1.gandi.net hostmaster.gandi.net 1773273600 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1773273600
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns-236-c.gandi.net
ns-207-b.gandi.net
ns-165-a.gandi.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.runbox.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=dl7U1KdPcujSvrzyuFCva_qp0CyBBu7KfU0u374UUCQ
- SPFv=spf1 include:spf.runbox.com -all
- atlassian-domain-verification=KERv239bstjQ8zDbd5LnVC2gRoSV6KpxMJaSNW5kndyR3u2l7iXcX2mnNOA/FDaL
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