Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isaac.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 14:24:05 UTC · ↺ Refresh
MX Hostnames
- isaac-de.mail.protection.outlook.com
MX Priorities
- isaac-de.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.76 ↩ 217-160-0-76.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::213 ↩ 2001-08d8-100f-f000-0000-0000-0000-0213.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1070.ui-dns.de hostmaster.1und1.com 2017060148 28800 7200 604800 600
Primary NS (mname)
ns1070.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060148
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1061.ui-dns.com
ns1070.ui-dns.de
ns1116.ui-dns.biz
ns1071.ui-dns.org
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;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- 201806211407434ui0wha5qjcez0a7yofk6tolrkvxy7h6xi5yt25ynk183aal4f
- SPFv=spf1 include:spf.protection.outlook.com ~all
- google-site-verification=ToSdyhepgXctEnWtde_tgSH300uP8tdWJ7Zy-2UJWmA
Full email verification for isaac.de
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