serptec.de

Valid Email Server
Domain Lookup › serptec.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
serptec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 18:28:42 UTC · ↺ Refresh

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MX Hostnames

  • serptec-de.mail.protection.outlook.com

MX Priorities

  • serptec-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 46.101.12.56 (no PTR)

Mail Server IPs

  • 52.101.79.112 ↩ mail-mm0p280cu01100.inbound.protection.outlook.com
  • 52.101.79.114 ↩ mail-mm0p280cu01202.inbound.protection.outlook.com
  • 52.101.80.150 ↩ mail-gv3p280cu01406.inbound.protection.outlook.com
  • 52.101.80.148 ↩ mail-gvzp280cu01904.inbound.protection.outlook.com
  • 2a01:111:f403:ca15::4 ↩ mail-gvzp280cu01904.inbound.protection.outlook.com
  • 2a01:111:f403:ca15::6 ↩ mail-gv3p280cu01406.inbound.protection.outlook.com
  • 2a01:111:f403:ca16::4 ↩ mail-mm0p280cu01104.inbound.protection.outlook.com
  • 2a01:111:f403:ca16::6 ↩ mail-mm0p280cu01206.inbound.protection.outlook.com

SOA Record

Raw SOA ns1083.ui-dns.de hostmaster.1und1.de 2016061713 28800 7200 604800 300
Primary NS (mname)
ns1083.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016061713
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1083.ui-dns.org
ns1083.ui-dns.biz
ns1083.ui-dns.com
ns1083.ui-dns.de

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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=ms24283911
  • SPFv=spf1 include:spf.protection.outlook.com -all
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