Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lumston.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 07:36:11 UTC · ↺ Refresh
MX Hostnames
- lumston-com.mail.protection.outlook.com
MX Priorities
- lumston-com.mail.protection.outlook.com: 0
A / AAAA Records
- 98.90.82.184 ↩ ec2-98-90-82-184.compute-1.amazonaws.com
- 32.193.214.199 ↩ ec2-32-193-214-199.compute-1.amazonaws.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-770.awsdns-32.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-770.awsdns-32.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-770.awsdns-32.net
ns-1428.awsdns-50.org
ns-1604.awsdns-08.co.uk
ns-469.awsdns-58.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc_aggregate_analyser+18290adb028d32439f8ee9ca5386b050@zerobounce.net; ruf=mailto:dmarc_forensics_analyser+18290adb028d32439f8ee9ca5386b050@zerobounce.net; rf=afrf; pct=100; ri=86400; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:dmarc_aggregate_analyser+18290adb028d32439f8ee9ca5386b050@zerobounce.net
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- amazonses:FrWIs4kMfuDYh/1CHYhOVk01PhmdpeJQXJRfW8gKh40=
- apple-domain-verification=N2uIi3iuzxYyQfIW
- google-site-verification=zh99D01TPsSG22xSD4ciFu2TGNyyxOQqDw_fWX0Yxv0
- SPFv=spf1 include:spf.protection.outlook.com -all
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