Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crowdernwa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 08:31:35 UTC · ↺ Refresh
MX Hostnames
- mx2.ifworld.com
- mx1.ifworld.com
- mx4.ifworld.com
- mx3.ifworld.com
MX Priorities
- mx3.ifworld.com: 30
- mx2.ifworld.com: 20
- mx4.ifworld.com: 40
- mx1.ifworld.com: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 216.98.161.139 ↩ nospam.ifworld.com
SOA Record
Raw SOA
ns01.ifworld.com dns.ifworld.com 2008010136 14400 3600 1209600 180
Primary NS (mname)
ns01.ifworld.com
Admin Email (rname)
dns@ifworld.com
Serial
2008010136
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns03.ifworld.com
ns04.ifworld.com
ns01.ifworld.com
ns02.ifworld.com
ns05.ifworld.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.98.160.6 ip4:216.98.161.7 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms13147015
- SPFv=spf1 ip4:216.98.160.6 ip4:216.98.161.7 include:spf.protection.outlook.com -all
- MS=ms13615942
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