Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bissantz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 10:32:34 UTC · ↺ Refresh
MX Hostnames
- bissantz-de.mail.protection.outlook.com
MX Priorities
- bissantz-de.mail.protection.outlook.com: 10
A / AAAA Records
- 152.53.184.152 ↩ v2202511288938395437.goodsrv.de
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.ui-global-dns.de hostmaster.1und1.com 2017060220 28800 7200 604800 600
Primary NS (mname)
ns.ui-global-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060220
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns.ui-global-dns.de
ns.ui-global-dns.biz
ns.ui-global-dns.com
ns.ui-global-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:212.114.141.2 ip4:212.114.141.11 ip4:80.146.162.10 include:spf.crsend.com include:144140426.spf07.hubspotemail.net include:fdspfeuc.freshemail.io -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];pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- apple-domain-verification=DZ6pB6UPFbJhv9_F2Y4YqRzy_DHntcp3MQmYu_r4j6g
- hubspot-developer-verification=ZDU2NTFlZWItM2Y1My00ZjY5LWJjNmItMGI3ZjEyMzFlMTZj
- SqDTwg2i6/rFo5tKTpr635bO3EtyXA7sIYRVia639afb8kCvPeZ4R3t0FKqrBF1LzYOlJNzw8oLqDfxDL55fwQ==
- SPFv=spf1 include:spf.protection.outlook.com ip4:212.114.141.2 ip4:212.114.141.11 ip4:80.146.162.10 include:spf.crsend.com include:144140426.spf07.hubspotemail.net include:fdspfeuc.freshemail.io -all
- openai-domain-verification=dv-TwXHsy7iu1oIrafFXsETiinr
- anthropic-domain-verification-vj17mh=oiIld23erglc0ZK0kKeSQRuL9
- google-site-verification=Zy6FjBc8tEUPKYhQLmfQtCOG-c-DQPaxc8tN1PINzOU
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