Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kongresshotel-potsdam.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 03:27:18 UTC · ↺ Refresh
MX Hostnames
- kongresshotelpotsdam-de03c.mail.protection.outlook.com
MX Priorities
- kongresshotelpotsdam-de03c.mail.protection.outlook.com: 0
A / AAAA Records
- 82.165.184.93 ↩ kongresshotel-potsdam.de
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.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
SOA Record
Raw SOA
ns1016.ui-dns.de hostmaster.schlund.de 2016121574 28800 7200 604800 300
Primary NS (mname)
ns1016.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2016121574
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1016.ui-dns.org
ns1016.ui-dns.biz
ns1016.ui-dns.com
ns1016.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.talention.com include:sendgrid.net ip4:89.246.252.164 ip4:213.61.160.170 ip4:212.27.79.46/32 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ 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
4 records- MS=ms55599556
- google-site-verification=uyPpSVJZDux5sVyIUb1gbvVCTaSbYmdPR1qsgmW0fx8
- facebook-domain-verification=kax9ij6w4ntvo1bkguz2dh5izfqkzh
- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.talention.com include:sendgrid.net ip4:89.246.252.164 ip4:213.61.160.170 ip4:212.27.79.46/32 -all
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