Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concore.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 15:59:09 UTC · ↺ Refresh
MX Hostnames
- concore-de.mail.protection.outlook.com
MX Priorities
- concore-de.mail.protection.outlook.com: 0
A / AAAA Records
- 23.88.100.77 ↩ static.77.100.88.23.clients.your-server.de
- 2a01:4f8:c0c:1a0c::2 (no PTR)
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1115.ui-dns.org hostmaster.1und1.com 2017060114 28800 7200 604800 600
Primary NS (mname)
ns1115.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060114
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1079.ui-dns.de
ns1115.ui-dns.org
ns1050.ui-dns.biz
ns1056.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com ~all
- MS=ms30575644
- google-site-verification=g3wNs0D_l90K-Brqc13X0lPwjbgtNFa-NY2moqT8YYk
Full email verification for concore.de
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