Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
neumann.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:33:26 UTC · ↺ Refresh
MX Hostnames
- neumann-edu.mail.protection.outlook.com
MX Priorities
- neumann-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.73.186 (no PTR)
- 172.67.165.107 (no PTR)
- 2606:4700:3031::ac43:a56b
- 2606:4700:3035::6815:49ba
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
jessica.ns.cloudflare.com dns.cloudflare.com 2399843466 10000 2400 604800 1800
Primary NS (mname)
jessica.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399843466
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jessica.ns.cloudflare.com
marek.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.81.235.8 ip4:192.81.235.180 ip4:74.122.104.0/22 include:spfa.cpmails.com include:spf.protection.outlook.com include:3924406.spf08.hubspotemail.net include:_spf.elasticemail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;ruf=mailto:[email protected]; rua=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- a3d4ee4d-14c5-46f2-8aac-8361c9e4dc69
- bw=TZB3R8ApsbiGMMqU+/YbpYJh+DWI3i+9ZYuMq8y/Ciz1
- tKZos+9zrmsXdvuQ6ZghqDvwKhIHPW+LzpEavJbng8ZBcz6CglxMoIckBGJ2d4BTR5FyHSS9oe6dPAcE+uf8Pw==
- SPFv=spf1 ip4:192.81.235.8 ip4:192.81.235.180 ip4:74.122.104.0/22 include:spfa.cpmails.com include:spf.protection.outlook.com include:3924406.spf08.hubspotemail.net include:_spf.elasticemail.com -all
- 88kvjdlhb4dw7p6827mzpjzw039v4n7g
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