Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
letsblum.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:17:25 UTC · ↺ Refresh
MX Hostnames
- letsblum-com.mail.protection.outlook.com
MX Priorities
- letsblum-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.52.97.239 ↩ ec2-52-52-97-239.us-west-1.compute.amazonaws.com
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
dina.ns.cloudflare.com dns.cloudflare.com 2398838029 10000 2400 604800 1800
Primary NS (mname)
dina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398838029
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dina.ns.cloudflare.com
remy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:20683799.spf08.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ 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
4 records- google-site-verification=R-wnzG6yoP2gfzazaTr3vv8kSY1A56HxcA6MrMIrf-w
- SPFv=spf1 include:spf.protection.outlook.com include:20683799.spf08.hubspotemail.net -all
- MS=ms69777542
- google-site-verification=8zPbv3NLIiog1bqR-Rp-3cZc7wLPISLiMfOwhGn6se4
Full email verification for letsblum.com
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