Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
4n.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 14:52:52 UTC · ↺ Refresh
MX Hostnames
- 4n-de.mail.protection.outlook.com
MX Priorities
- 4n-de.mail.protection.outlook.com: 0
A / AAAA Records
- 157.97.45.179 ↩ r2112.agenturserver.it
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-187.awsdns-23.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 600
Primary NS (mname)
ns-187.awsdns-23.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns-187.awsdns-23.com
ns-756.awsdns-30.net
ns-1221.awsdns-24.org
ns-1609.awsdns-09.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:zoho.eu include:one.zoho.eu -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ 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
5 records- infoblox-domain-mastery=7c11680664ab73c35afc9be041219ecdfa7da1a0377129f28b5600197980d94bf9
- SPFv=spf1 include:spf.protection.outlook.com include:zoho.eu include:one.zoho.eu -all
- MS=ms53279737
- atlassian-domain-verification=/YIdsjd5zsjlSmF1k8H4Ry7xtIQqtTa0tL1tUsdr1UE4ZrixP4a9fvow9AAbwalF
- google-site-verification=9XEaxmk1NOK1qyDJ8syxwVJJlaz-Z2Ev9RXG00gaMx8
Full email verification for 4n.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits