Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schomburgheatcool.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 15:56:22 UTC · ↺ Refresh
MX Hostnames
- mail.schomburgheatcool.com
MX Priorities
- mail.schomburgheatcool.com: 0
A / AAAA Records
- 35.172.94.1 ↩ staticip.multiscreensite.com
- 100.24.208.97 ↩ staticip2.multiscreensite.com
Mail Server IPs
- 192.252.151.34 ↩ s412.sureserver.com
SOA Record
Raw SOA
ns1.s412.sureserver.com hostmaster.schomburgheatcool.com 1774859603 16384 2048 1048576 2560
Primary NS (mname)
ns1.s412.sureserver.com
Admin Email (rname)
hostmaster@schomburgheatcool.com
Serial
1774859603
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.s412.sureserver.com
ns1.s412.sureserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:s412.smtp-spf.sureserver.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:s412.smtp-spf.sureserver.com ~all
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