biotronik.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-01 11:58:32 UTC · ↺ Refresh

MX Hostnames

  • biotronik-com.mail.protection.outlook.com

MX Priorities

  • biotronik-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 151.101.2.216 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns01.versatel.de hostmaster.1und1.net 2026032700 10000 3600 604800 86400
Primary NS (mname)
ns01.versatel.de
Admin Email (rname)
hostmaster@1und1.net
Serial
2026032700
Refresh
10000s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns02.versatel.de
ns03.versatel.de
ns01.versatel.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:91.204.8.0/24 ip4:64.106.173.0/25 ip4:77.65.127.106 ip4:77.65.127.114 ip4:80.255.252.72/29 ip4:84.228.131.46 ip4:103.114.193.151 ip4:114.253.29.54 ip4:124.146.170.8 ip4:124.146.170.9 ip4:149.72.58.252 ip4:167.89.81.202 ip4:192.69.130.0/24 include:et._spf.pardot.com include:sendgrid.net include:_spf.salesforce.com include:successfactors.eu include:spf.protection.outlook.com include:_spf.jpberlin.de -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

19 records
  • pardot1075022=115402b2322dc07cac660ae3eb69ab35e91522dfacfb25a39e4e8d5494769364
  • pardot926103=9ab49b7944753c610c51b9caff5d3bc5c26028a89562d01d1907ab006847849b
  • SPFv=spf1 ip4:91.204.8.0/24 ip4:64.106.173.0/25 ip4:77.65.127.106 ip4:77.65.127.114 ip4:80.255.252.72/29 ip4:84.228.131.46 ip4:103.114.193.151 ip4:114.253.29.54 ip4:124.146.170.8 ip4:124.146.170.9 ip4:149.72.58.252 ip4:167.89.81.202 ip4:192.69.130.0/24 include:et._spf.pardot.com include:sendgrid.net include:_spf.salesforce.com include:successfactors.eu include:spf.protection.outlook.com include:_spf.jpberlin.de -all
  • ms-domain-verification=80eec62a-8b88-4065-9f29-412faa5bc612
  • 00D1j0000008hRR=1TBbh0000000317
  • sending_domain926103=10c397c676c389623163bdd998f9db35e1201779a7da1a54759785639970b287
  • sending_domain1105552=b1326111a2d7013d177b0334c66b58255536efbdcee77610130e0f93e4429e99
  • 00D9K00000F8cvV=1TB9K00000007Cn
  • pardot1105552=d559056102da90a13ce4b79e75bc6793f2a603bf5b7108e27768e463b86756b4
  • pardot231793=ec3ab396d1366fb64cd45c9b2a0165625ad09b69beb2d1caecbeb556cc29b4ed
  • pardot1075022=d56ca7108e34c0545844c9dead70f125f93a3b59543e72f73e27bd33eff250ab
  • 00D0900000B3nYo=1TBcj0000000001
  • pardot1105552=65891226f9dde46d4b7391549112b803452d1de8f52e41995cab4ec6eb49b6b2
  • pardot912882=a72ac73a1bc27ccb9f007c36cdc6dc058aad3b7ec3bce1b56cfd48982f63d1e4
  • ms-domain-verification=25e091c3-e9b5-4d44-9e2d-acf3a1485813
  • sending_domain1075022=4ffbb58636be1667d896fd9fad64f485ea5e715a81b06fa95be5da48fb228b79
  • atlassian-domain-verification=9x0aGkbwqaZ9kfqalVp3uF4csXRJOEMUUa02HNg/AaOR5daw8jbu2llQOXhaNZTV
  • pardot926103=913d9fb676813a005c5d246daaec13b4f234de43257b5f6cb4d324fbf109090b
  • 00D0C0000002Dq4=1TB9b000000085d
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