Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blacksire.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 23:46:20 UTC · ↺ Refresh
MX Hostnames
- blacksire-com.mail.protection.outlook.com
MX Priorities
- blacksire-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.1.51 (no PTR)
- 172.67.128.139 (no PTR)
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
dana.ns.cloudflare.com dns.cloudflare.com 2397651385 10000 2400 604800 1800
Primary NS (mname)
dana.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397651385
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dana.ns.cloudflare.com
rocky.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
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
6 records- google-site-verification=_amOPhAqcr2RuIHvG_dXxF4EKKqEQAEbtJTxi7pnc0k
- guva836hbg55o0fv9r0ttk4j6v
- SPFv=spf1 include:spf.protection.outlook.com -all
- 4a1sq9e3bqd3q867hnuaaqua9k
- MS=386D810C953DABF3432DB66B66B4ABD2B66DFAD9
- MS=ms77015215
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