Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lafonline.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 20:02:54 UTC · ↺ Refresh
MX Hostnames
- lafonline-de.mail.protection.outlook.com
MX Priorities
- lafonline-de.mail.protection.outlook.com: 0
A / AAAA Records
- 159.69.34.231 ↩ lx433810.rz.sysxperts-cloud.de
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.resellerinterface.de admin.bytecity.eu 1774366911 28800 7200 604800 120
Primary NS (mname)
ns1.resellerinterface.de
Admin Email (rname)
admin@bytecity.eu
Serial
1774366911
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
120s
Nameservers (NS)
ns1.resellerinterface.de
ns2.resellerinterface.de
ns3.resellerinterface.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:130.180.85.198 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.crsend.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;aspf=s;adkim=r;fo=0:1:d
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- facebook-domain-verification=ol1pfuhdro8jrid9ea2fz1urzhd8hh
- SPFv=spf1 a mx ip4:130.180.85.198 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.crsend.com -all
- google-site-verification=sfvNBWhdXdwjhnJP8TYHNTt8Eb32BNScTEofF_2L9Qc
- MS=ms46042274
- DMARCv=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
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