synlab.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
synlab.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 15:11:45 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 45.146.172.60 ↩ jagellovsk.honds.net

Mail Server IPs

  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA a.ns14.net internetx.synlab.com 2025102812 43200 14400 604800 43200
Primary NS (mname)
a.ns14.net
Admin Email (rname)
internetx@synlab.com
Serial
2025102812
Refresh
43200s
Retry
14400s
Expire
604800s
Minimum TTL
43200s

Nameservers (NS)

d.ns14.net
b.ns14.net
c.ns14.net
a.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsys.net mx a ip4:91.207.118.102 ip4:91.207.118.10 ip4:91.207.118.106 ip4:93.115.116.17 ip4:81.175.89.16/28 ip4:62.207.0.128/28 ip4:212.247.185.97 ip4:94.199.90.106 ip4:193.41.148.130 ip4:194.204.54.156 -all
📊 DNS lookups: 4/10
✓ 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: 216 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

7 records
  • kpmvy4zdsvrqx4bn698lhl6vklzkxkck
  • f907x91wpyf33zw77wwpqc601dx63w1r
  • _ghl3kjlpf3ptdwavxgfn4lcokmh6bw4
  • apple-domain-verification=xuhZ1uKSyBwj3Pe2
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsys.net mx a ip4:91.207.118.102 ip4:91.207.118.10 ip4:91.207.118.106 ip4:93.115.116.17 ip4:81.175.89.16/28 ip4:62.207.0.128/28 ip4:212.247.185.97 ip4:94.199.90.106 ip4:193.41.148.130 ip4:194.204.54.156 -all
  • MS=ms58497585
  • _1vhyydqcbf23kibqd5c074icqssq33e
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