Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
surefoot.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:23:41 UTC · ↺ Refresh
MX Hostnames
- surefoot-com.p10.spamhero.com
- surefoot-com.p20.spamhero.net
- surefoot-com.p30.spamhero.net
- surefoot-com.p40.spamhero.net
MX Priorities
- surefoot-com.p30.spamhero.net: 30
- surefoot-com.p40.spamhero.net: 40
- surefoot-com.p20.spamhero.net: 20
- surefoot-com.p10.spamhero.com: 10
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 216.172.106.27 ↩ bolt111a.mxthunder.net
- 209.41.68.145 ↩ bolt111b.mxthunder.net
SOA Record
Raw SOA
surefoot.com root.surefoot.com 2025028501 10800 900 604800 86400
Primary NS (mname)
surefoot.com
Admin Email (rname)
root@surefoot.com
Serial
2025028501
Refresh
10800s
Retry
900s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.surefoot.com
ns2.surefoot.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:173.14.227.217 ip4:184.106.55.84 ip4:209.216.97.8/29 ip4:166.70.97.120/29 ip4:63.157.193.242/29 ip6:2603:3026:41b:6400::5887/128 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 mx ip4:173.14.227.217 ip4:184.106.55.84 ip4:209.216.97.8/29 ip4:166.70.97.120/29 ip4:63.157.193.242/29 ip6:2603:3026:41b:6400::5887/128 -all
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