Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ivu.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 17:07:26 UTC · ↺ Refresh
MX Hostnames
- ivu-de.mail.protection.outlook.com
MX Priorities
- ivu-de.mail.protection.outlook.com: 10
A / AAAA Records
- 20.218.25.180 (no PTR)
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info
ns1-02.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:91.212.245.143 ip4:212.34.64.185 ip4:138.201.33.98 ip4:3.122.45.38 include:spf.nl2go.com include:auth.msgapp.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
9 records- anthropic-domain-verification-4rpf1c=calf9jyVuaLYQnIHzprnZC4dd
- SPFv=spf1 ip4:91.212.245.143 ip4:212.34.64.185 ip4:138.201.33.98 ip4:3.122.45.38 include:spf.nl2go.com include:auth.msgapp.com include:spf.protection.outlook.com -all
- google-site-verification=2UxQFl_aLfgszkqyEhYCywZE5KlX8f7WnNIelOydPx0
- atlassian-domain-verification=goX5LbVSvN3rPeuHBrJPBzQBPLX7jW3gWo0cZTPsSDtZo4j3L/OAM9dhTnlwkunT
- miro-verification=43b091d5f3cbf821d57ae30fbe3b65f9fdcaf013
- docker-verification=eb48db07-61c0-4e28-a179-335f86e4ce98
- bw=GWdBmftgty1/b9vLwiSQML5pQeZKWWARy8U6uMDX2ff2
- apple-domain-verification=qxaT8BTeKHpOzhf7
- atlassian-sending-domain-verification=baf43d11-01fc-4269-962a-3dde81775788
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