Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
siouxlandchamber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 01:52:54 UTC · ↺ Refresh
MX Hostnames
- siouxlandchamber-com.mail.protection.outlook.com
MX Priorities
- siouxlandchamber-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.25.91.29 (no PTR)
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.longlines.com postmaster.longlines.com 721599689 7200 3600 1728000 172800
Primary NS (mname)
ns1.longlines.com
Admin Email (rname)
postmaster@longlines.com
Serial
721599689
Refresh
7200s
Retry
3600s
Expire
1728000s
Minimum TTL
172800s
Nameservers (NS)
ns2.longlines.com
ns1.longlines.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.30.185.87 ip4:66.172.194.153 include:sendgrid.net include:spf.protection.outlook.com include:spf.memberzone.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
2 records- MS=ms47145324
- SPFv=spf1 ip4:192.30.185.87 ip4:66.172.194.153 include:sendgrid.net include:spf.protection.outlook.com include:spf.memberzone.com -all
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