Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
karlsberg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 02:09:51 UTC · ↺ Refresh
MX Hostnames
- karlsberg-de.mail.protection.outlook.com
MX Priorities
- karlsberg-de.mail.protection.outlook.com: 0
A / AAAA Records
- 195.252.153.12 ↩ vm110007.psmanaged.com
Mail Server IPs
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.plusserver.com hostmaster.plusserver.com 2025102002 1800 900 604800 900
Primary NS (mname)
ns1.plusserver.com
Admin Email (rname)
hostmaster@plusserver.com
Serial
2025102002
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns1.plusserver.com
ns3.plusserver.com
ns2.plusserver.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:62.154.187.132 include:spf.protection.outlook.com include:spf.sendinblue.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
7 records- apple-domain-verification=W65cVh8OYJ7FRe1Z
- _globalsign-domain-verification=JREW50vdiJpfhaSYn_ZFP0q6-GbPYpvtn_fDPlvUwY
- fJJ/sxnWJ5yK5ddHZ43lgdAkpHuaxabX+o06CPGV7AeClaP/sOZ4opkH9AUdpZ2r2aBCaw5a0KTCdu6cQ6Cvfg==
- _globalsign-domain-verification=vRMi2YHSHozQibKRicPdgW_a3hPkv2J-V-sTwlhxqR
- SPFv=spf1 a mx ip4:62.154.187.132 include:spf.protection.outlook.com include:spf.sendinblue.com -all
- Sendinblue-code:538c5d671b70cf1074d7087ae7f4f0d1
- "google-site-verification=1d1CPkk8_fqd_kUvEIPRRgxCevVkd9_3-_eVWEzGS0s"
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