Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stadtbau-amberg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 18:14:47 UTC · ↺ Refresh
MX Hostnames
- stadtbauamberg-de02b.mail.protection.outlook.com
MX Priorities
- stadtbauamberg-de02b.mail.protection.outlook.com: 0
A / AAAA Records
- 188.94.254.142 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns4.nameserver.de dnsmaster.ns4.nameserver.de 2024121802 86400 3600 604800 86400
Primary NS (mname)
ns4.nameserver.de
Admin Email (rname)
dnsmaster@ns4.nameserver.de
Serial
2024121802
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.nameserver.de
ns4.nameserver.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.DE.exclaimer.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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=ms55897274
- MS=A3F31142CE343006C50F6F9075241432371073F8
- SPFv=spf1 include:spf.protection.outlook.com include:spf.DE.exclaimer.net -all
- DMARCv=DMARC1; p=quarantine;
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