Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
munkebykramer.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 02:15:20 UTC · ↺ Refresh
MX Hostnames
- mail1.redtailtechnology.com
MX Priorities
- mail1.redtailtechnology.com: 0
A / AAAA Records
- 18.209.242.7 ↩ ec2-18-209-242-7.compute-1.amazonaws.com
- 3.88.95.32 ↩ ec2-3-88-95-32.compute-1.amazonaws.com
Mail Server IPs
- 4.17.237.44 (no PTR)
SOA Record
Raw SOA
ns67.worldnic.com namehost.worldnic.com 125031315 10800 3600 604800 3600
Primary NS (mname)
ns67.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125031315
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns67.worldnic.com
ns68.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.redtailtechnology.com include:sendgrid.net include:munkebykramer-com.spf.smtp25.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.redtailtechnology.com include:sendgrid.net include:munkebykramer-com.spf.smtp25.com -all
- wOh7F+YmRDWTdWhw+xz8nA==
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