visbl.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
visbl.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-31 20:36:00 UTC ยท โ†บ Refresh

MX Hostnames

  • mail.visbl.de
  • mxe833.netcup.net

MX Priorities

  • mail.visbl.de: 10
  • mxe833.netcup.net: 50

A / AAAA Records

  • 172.67.186.130 (no PTR)
  • 104.21.1.37 (no PTR)
  • 2606:4700:3035::6815:125 (no PTR)
  • 2606:4700:3032::ac43:ba82 (no PTR)

Mail Server IPs

  • 104.21.1.37 (no PTR)
  • 172.67.186.130 (no PTR)
  • 2606:4700:3032::ac43:ba82 (no PTR)
  • 2606:4700:3035::6815:125 (no PTR)
  • 202.61.232.51 โ†ฉ mxe833.netcup.net
  • 2a03:4000::4d8:7466:d6ff:fe38:9ece โ†ฉ mxe833.netcup.net

SOA Record

Raw SOA aspen.ns.cloudflare.com dns.cloudflare.com 2399926639 10000 2400 604800 1800
Primary NS (mname)
aspen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399926639
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

aspen.ns.cloudflare.com
peyton.ns.cloudflare.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 mx a include:_spf.webhosting.systems ~all
๐Ÿ“Š DNS lookups: 3/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;pct=100; rua=mailto:[email protected];
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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
  • google-site-verification=mQ42wd8O97pkiaE5C8-0YIexqlM1pWLK0zvyPbPp9Dw
  • SPFv=spf1 mx a include:_spf.webhosting.systems ~all
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