Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guylian.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 13:50:02 UTC · ↺ Refresh
MX Hostnames
- guylian-de.mail.protection.outlook.com
MX Priorities
- guylian-de.mail.protection.outlook.com: 0
A / AAAA Records
- 217.19.237.54 ↩ 217.19.237.54.static.hosted.by.combell.com
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.combell.net hostmaster.guylian.de 1763627109 10800 3600 604800 40000
Primary NS (mname)
ns3.combell.net
Admin Email (rname)
hostmaster@guylian.de
Serial
1763627109
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
40000s
Nameservers (NS)
ns3.combell.net
ns1.combell.eu
ns4.combell.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:80.153.138.106 a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 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
3 records- SPFv=spf1 ip4:80.153.138.106 a mx include:spf.protection.outlook.com -all
- 1RKoDfwtnqF8lGkT0VmVNLE6VJVRBKmw
- MS=ms53028725
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