Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sumeru.digital
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 14:48:30 UTC · ↺ Refresh
MX Hostnames
- sumeru-digital.mail.protection.outlook.com
MX Priorities
- sumeru-digital.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.78.212 (no PTR)
- 172.67.137.135 (no PTR)
- 2606:4700:3036::6815:4ed4
- 2606:4700:3033::ac43:8987
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
gene.ns.cloudflare.com dns.cloudflare.com 2400479703 10000 2400 604800 1800
Primary NS (mname)
gene.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400479703
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kianchau.ns.cloudflare.com
gene.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- google-site-verification=6kJhzQa-YL8h_PEV5_ihF2HTbWoa2jvJ5Ipy3i8pyt4
- SPFv=spf1 include:spf.protection.outlook.com -all
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