Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nuf.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 23:16:14 UTC · ↺ Refresh
MX Hostnames
- nuf-org.mail.protection.outlook.com
MX Priorities
- nuf-org.mail.protection.outlook.com: 0
A / AAAA Records
- 74.208.236.121 ↩ 74-208-236-121.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::2b8 ↩ 2607-f1c0-100f-f000-0000-0000-0000-02b8.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-us.1and1-dns.de hostmaster.1und1.com 2017060156 28800 7200 604800 600
Primary NS (mname)
ns-us.1and1-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060156
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns-us.1and1-dns.com
ns-us.1and1-dns.us
ns-us.1and1-dns.de
ns-us.1and1-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:one.zoho.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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 include:spf.protection.outlook.com include:one.zoho.com -all
- iContact179775
- k66lg9htqkdbnjfitnh2b2tbcd
- v=verifydomain MS=7050740
Full email verification for nuf.org
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