Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zubraselectric.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 04:06:13 UTC · ↺ Refresh
MX Hostnames
- zubraselectric-com.mail.protection.outlook.com
MX Priorities
- zubraselectric-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.18.184 (no PTR)
- 172.67.183.29 (no PTR)
- 2606:4700:3030::ac43:b71d
- 2606:4700:3037::6815:12b8
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
cortney.ns.cloudflare.com dns.cloudflare.com 2399852209 10000 2400 604800 1800
Primary NS (mname)
cortney.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399852209
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cortney.ns.cloudflare.com
noel.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
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
3 records- MS=ms10955063
- google-site-verification=KQdZnLtF6T797Qrp3iJIbjJAiOgIcw05v6GqDKBMFLU
- SPFv=spf1 include:spf.protection.outlook.com -all
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