Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nub78.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 07:12:55 UTC · ↺ Refresh
MX Hostnames
- nub78-com.mail.protection.outlook.com
MX Priorities
- nub78-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.30.5 (no PTR)
- 172.67.150.41 (no PTR)
- 2606:4700:3037::6815:1e05
- 2606:4700:3035::ac43:9629
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
aaden.ns.cloudflare.com dns.cloudflare.com 2399873695 10000 2400 604800 1800
Primary NS (mname)
aaden.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399873695
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aaden.ns.cloudflare.com
sky.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]; ruf=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
6 records- atlassian-domain-verification=6StNoMWHVJ4X/NQ0xZADR4C5EPPTGPMTP5aEARwd05AgRvVhDsjg00Df92tX8NS6
- d025a118-d802-496a-b5b9-22bb36fd187e
- google-site-verification=cj_fpa4Uf4iTPToCJHyKW9GQW1r5vNidtezEPjpLgBk
- tmes=8980e83aa0669918839a860736b9f4b1
- SPFv=spf1 include:spf.protection.outlook.com -all
- zoho-verification=zb39380787.zmverify.zoho.com
Full email verification for nub78.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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