Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concentrade.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 19:42:25 UTC · ↺ Refresh
MX Hostnames
- concentrade-de.mail.protection.outlook.com
MX Priorities
- concentrade-de.mail.protection.outlook.com: 0
A / AAAA Records
- 159.60.137.193 (no PTR)
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-eu.123ns.eu hostmaster.123ns.eu 2026033100 86400 7200 3600000 86400
Primary NS (mname)
ns1-eu.123ns.eu
Admin Email (rname)
hostmaster@123ns.eu
Serial
2026033100
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns4-eu.123ns.de
ns1-eu.123ns.eu
ns2-eu.123ns.de
ns3-eu.123ns.eu
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com ip4:13.69.75.196 ip4:108.142.180.36 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; adkim=s; aspf=s; pct=100; rf=afrf; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
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
10 records- jamf-site-verification=Po11KrHQ7snRx1W1NSNDuw
- 2wqvk3ryh5f440lys1yxjgmctqhfw3st
- SPFv=spf1 mx include:spf.protection.outlook.com ip4:13.69.75.196 ip4:108.142.180.36 ~all
- D-TRUST=HGGU4ERYFSMVHKM59C3AQX5
- MS=ms96891003
- heyhack-verification=02245c07-eaf6-485a-bdb3-6407fad6fb6c
- apple-domain-verification=v4wMvXkByo2l44kb
- linkedin-site-verification=f6e9f4c6-c0c8-4dca-8969-533a52c626e8
- teamviewer-sso-verification=3ba33a6b87004c8dab5282833bcfbbcb
- paloaltonetworks-site-verification=e479a61c5d2121cca9bc94ffa9a93f7a75fe911468b3898618428d108d1a9ea4
Full email verification for concentrade.de
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