Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sundbergamerica.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 12:48:36 UTC · ↺ Refresh
MX Hostnames
- sundbergamerica-com.mail.protection.outlook.com
MX Priorities
- sundbergamerica-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.186.93.176 (no PTR)
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:20.51.186.56 ip4:52.224.83.36 ip4:52.142.52.179 ip4:52.226.175.184 ip4:52.191.17.79 ip4:20.55.24.87 ip4:52.186.29.107 ip4:137.135.122.212 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
9 records- knowbe4-site-verification=3875cb7458e9bd73a9d8fe321035d11f
- mscid=i5+jOQrLMOLClhaLRI2MJKNtVMkVCRuiBt5wJuxBcGLfzFzQxWLLKTz3+eZyJ10qoSiIa3Fu0bOO4Op7s/aWwg==
- SPFv=spf1 include:spf.protection.outlook.com ip4:20.51.186.56 ip4:52.224.83.36 ip4:52.142.52.179 ip4:52.226.175.184 ip4:52.191.17.79 ip4:20.55.24.87 ip4:52.186.29.107 ip4:137.135.122.212 ~all
- or5ch60lt44sdrvpa3205267cj
- s4c1t3h0pma3gubuo07ed7nmn0
- google-site-verification=XG5c_Z88WG_8zJrPjtgBJxInJbtXloopaT3LBkXJkN4
- MS=ms26365983
- 2s0bsd3gflms0z6lt6fjhskdvjgl8lqr
- google-site-verification=bsyyMhhXH_AHqeDbRaHUjLv9v7do99O4oJPEzw1Nu50
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