steinacker.com

Valid Email Server
Domain Lookup › steinacker.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
steinacker.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 16:41:47 UTC · ↺ Refresh

MX Hostnames

  • steinacker-com.mail.protection.outlook.com

MX Priorities

  • steinacker-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.160.0.106 ↩ 217-160-0-106.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::20d ↩ 2001-08d8-100f-f000-0000-0000-0000-020d.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1072.ui-dns.com hostmaster.1und1.com 2017060171 28800 7200 604800 600
Primary NS (mname)
ns1072.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060171
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1072.ui-dns.biz
ns1072.ui-dns.de
ns1072.ui-dns.com
ns1072.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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
  • sophos-domain-verification=b19c7dd398bdcf812abd5581c0c0c816b9f6ce7a
  • MS=ms98127450
  • DMARCv=DMARC1;p=none;
  • xn5ksh031br5klvkslgd2k2l3hqz6ghp
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • _mx1v7eqze3x4ogsajf9z29qya6z37hw
  • apple-domain-verification=XR2K1v9WoEE7I2LD
  • mx1v7eqze3x4ogsajf9z29qya6z37hw
  • pGKhjR7jheyVsq5rl/22+KglPPx2kUE8ymrWEg9Qm3qkqZ6kGBWD5Hx6kWtKxQaijITN7W22f+rEljgjXoBvPw==
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