Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cobaltcoaching.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 06:59:04 UTC · ↺ Refresh
MX Hostnames
- mx10.antispam.mailspamprotection.com
- mx20.antispam.mailspamprotection.com
- mx30.antispam.mailspamprotection.com
MX Priorities
- mx20.antispam.mailspamprotection.com: 20
- mx30.antispam.mailspamprotection.com: 30
- mx10.antispam.mailspamprotection.com: 10
A / AAAA Records
- 172.67.191.254 (no PTR)
- 104.21.20.83 (no PTR)
- 2606:4700:3032::6815:1453 (no PTR)
- 2606:4700:3035::ac43:bffe (no PTR)
Mail Server IPs
- 34.120.156.61 ↩ 61.156.120.34.bc.googleusercontent.com
- 34.111.121.216 ↩ 216.121.111.34.bc.googleusercontent.com
- 34.149.79.66 ↩ 66.79.149.34.bc.googleusercontent.com
SOA Record
Raw SOA
anton.ns.cloudflare.com dns.cloudflare.com 2399091929 10000 2400 604800 1800
Primary NS (mname)
anton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399091929
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
anton.ns.cloudflare.com
kenia.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +ip4:35.212.111.171 +a include:cobaltcoaching.com.spf.auto.dnssmarthost.net +mx ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=25;rua=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → none
⚠ Policy applies to 25% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
2 records- SPFv=spf1 +ip4:35.212.111.171 +a include:cobaltcoaching.com.spf.auto.dnssmarthost.net +mx ?all
- SPFv=spf1 include:_spf.mailspamprotection.com ~all
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