back-werk.com

Valid Email Server
Domain Lookup › back-werk.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
back-werk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 18:02:33 UTC · ↺ Refresh

MX Hostnames

  • backwerk-com01b.mail.protection.outlook.com

MX Priorities

  • backwerk-com01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 192.162.28.43 ↩ srv20.webstyle.ch

Mail Server IPs

  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com

SOA Record

Raw SOA ns12.nameserver.de dnsmaster.ns12.nameserver.de 2026030500 86400 3600 604800 86400
Primary NS (mname)
ns12.nameserver.de
Admin Email (rname)
dnsmaster@ns12.nameserver.de
Serial
2026030500
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns11.nameserver.de
ns12.nameserver.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:bwutm01.back-werk.com a:vfsdefw.back-werk.com a:mail.back-werk.at a:mout.kundenserver.de include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com ip4:104.47.2.138 ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate 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

8 records
  • LBI1/lTNX9wdvwmxXGsAefsjm+851xMB5q69lxPGqSUTNcRgc0Z6i9WUXMMCO8wZ1yOCy1YDfB4DsPrBAdG63g==
  • 9esPeqmRNpWgFpbbpftEPZSjoZ8Vn5poFngqOsRvTbQ5UtCdCU5XvQ880QSFJmRue8zUhXvR6QjgUt0vDRfu5w==
  • MS=BCDC5A25C6306A1389573D224D1577235BBB500C
  • VntbgikyMaq8jxL037qSoWHaD2ZgW032tjw4YyZimZBL9p5+w7N4cp5eEiSNaqvwrVY9Y5ObLS9A+tjKQtC7PA==
  • facebook-domain-verification=rhs4og5k1ond8u691zpcwh9ztacem3
  • SPFv=spf1 mx a:bwutm01.back-werk.com a:vfsdefw.back-werk.com a:mail.back-werk.at a:mout.kundenserver.de include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com ip4:104.47.2.138 ~all
  • sophos-domain-verification=cfeff05ba4e7331ec31ff141b6993f9a28dae4aa
  • hdPfsSuCkhbaqrBMLUE3S0iArJC7o+1WYDObZnhoTzuXG5flqmI2OcCuGtncj6Ma2bDkUzkv/+ukZfTtvOJ9QQ==
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