sywatec.de

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sywatec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 14:25:19 UTC · ↺ Refresh

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MX Hostnames

  • relay.rzone.de
  • sywatec-de.mail.protection.outlook.com

MX Priorities

  • relay.rzone.de: 100
  • sywatec-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.175.196.68 (no PTR)
  • 2a00:1c98:60:1091:0:1:6ff7:505d

Mail Server IPs

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

SOA Record

Raw SOA docks20.rzone.de hostmaster.strato-rz.de 2024013156 86400 7200 604800 300
Primary NS (mname)
docks20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2024013156
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks20.rzone.de
shades08.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ip4:178.77.111.91 ip6:2a01:488:42:1000:b24d:6f5b:: -all
📊 DNS lookups: 3/10
✓ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ip4:178.77.111.91 ip6:2a01:488:42:1000:b24d:6f5b:: -all
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