Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ard-poc.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 13:13:04 UTC · ↺ Refresh
MX Hostnames
- ardpoc-de0i.mail.protection.outlook.com
MX Priorities
- ardpoc-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 188.68.38.141 ↩ s1.ard-poc.de
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.vodafone-ip.de admin.rbb-online.de 2025092202 10800 3600 3600000 86400
Primary NS (mname)
ns1.vodafone-ip.de
Admin Email (rname)
admin@rbb-online.de
Serial
2025092202
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
auth1.dns.cogentco.com
ns2.vodafone-ip.de
auth2.dns.cogentco.com
ns1.vodafone-ip.de
SPF Record
✓ Strict (-all)
v=spf1 a:m-relayp02.rbb-online.de a:m-relayb02.rbb-online.de include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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- QuED1vo+eLlHj+rZUDFJtfpWlKFV0c48ACswgAFFEV3GimxhE09WUPUS8K28j/OuAEkGsW3K2iocdmABse58Kw==
- SPFv=spf1 a:m-relayp02.rbb-online.de a:m-relayb02.rbb-online.de include:spf.protection.outlook.com -all
- MS=ms81556624
- adobe-idp-site-verification=2c84cb8a2374b31bd54818a54c10e1df3ec2c2ca30c13a9210cf9b9a1f987dd9
Full email verification for ard-poc.de
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