Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
headmasters.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 23:47:23 UTC · ↺ Refresh
MX Hostnames
- mail.headmasters.com
- mail1.headmasters.com
MX Priorities
- mail.headmasters.com: 5
- mail1.headmasters.com: 10
A / AAAA Records
- 162.159.134.42 (no PTR)
- 162.159.135.42 (no PTR)
- 2606:4700:7::a29f:872a (no PTR)
- 2606:4700:7::a29f:862a (no PTR)
Mail Server IPs
- 195.224.81.106 ↩ mail.headmasters.com
- 92.71.137.34 ↩ mail.headmasters.com
SOA Record
Raw SOA
melinda.ns.cloudflare.com dns.cloudflare.com 2399661818 10000 2400 604800 1800
Primary NS (mname)
melinda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399661818
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sean.ns.cloudflare.com
melinda.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.headmasters.com._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- ca3-b2ea8398aeea4d89ba6c23b6af5b20d3
- facebook-domain-verification=mas11sfuda8huo0cr8135qs2eboayt
- google-site-verification=XDj5xeAN4d1Ajpnwkx6nmIQcOXw7vLCDJiYZYgoRYmQ
- SPFv=spf1 include:_u.headmasters.com._spf.smart.ondmarc.com ~all
- MS=ms11933072
- MS=ms58636153
- access-domain-verification=2448c4e93aa98e629eb9960206084f1e6d5362b6b490ad8d176f69afc16d696a
- amazon-business-verification=baca03113d29bfef4e243d28c96b0281c87dddc4727c48b6d7d60a7df053a323
- apple-domain-verification=qs6Ho1e125cRvOns1yiyB1N5dRQPAz4sDE0cYkErXbE
- apple-domain-verification=ydBRQk_dqC-S8aa1QNB_2nNyc4YAX2afdjTLIt-jvos
Full email verification for headmasters.com
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