Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tsubaki.ph
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:36:07 UTC · ↺ Refresh
MX Hostnames
- tsubaki-ph.mail.protection.outlook.com
MX Priorities
- tsubaki-ph.mail.protection.outlook.com: 0
A / AAAA Records
- 216.92.115.86 ↩ tsubaki.ph
Mail Server IPs
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
udns1.cscdns.net hostmaster.cscdns.net 2015033090 86400 86400 86400 86400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2015033090
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
udns2.cscdns.uk
udns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.39.57.23 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 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
4 records- SPFv=spf1 ip4:66.39.57.23 include:spf.protection.outlook.com -all
- google-site-verification=WvVi-sEtIgHYsX6JRKea5S1h25og2Tp1LdzmTsAf1WI
- google-site-verification=okbgeI9U_JTwrotbtY2vqPD0QWydxmcHpOyhUF7cIkc
- MS=ms21468526
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