stb-guthoff.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stb-guthoff.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 21:46:14 UTC · ↺ Refresh

MX Hostnames

  • maildomain.datevnet.de
  • maildomain.datevnet.com

MX Priorities

  • maildomain.datevnet.com: 20
  • maildomain.datevnet.de: 10

A / AAAA Records

  • 45.156.111.18 ↩ client-18.securewebsystems.net

Mail Server IPs

  • 193.27.49.207 ↩ maildomain.datevnet.com
  • 193.27.49.221 ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::cf ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::dd ↩ maildomain.datevnet.com
  • 193.27.49.220 ↩ maildomain.datevnet.de
  • 193.27.49.206 ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::dc ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::ce ↩ maildomain.datevnet.de

SOA Record

Raw SOA ns01.securewebsystems.net reports.viscomp.bg 2025090600 3600 1800 1209600 86400
Primary NS (mname)
ns01.securewebsystems.net
Admin Email (rname)
reports@viscomp.bg
Serial
2025090600
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns01.securewebsystems.net
ns02.securewebsystems.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:45.156.111.31 include:cemsc.net include:node26.securewebsystems.net +a +mx +ip4:45.156.111.18 +ip4:212.114.86.48 +include:maildomain._spf.datev.de +include:node11.securewebsystems.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; adkim=r; aspf=r; pct=100; fo=0; rf=afrf; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=kHR8CYANkSHsv08LiL4cXL_0Vvo60ophhQaW4Ketzq8
  • SPFv=spf1 ip4:45.156.111.31 include:cemsc.net include:node26.securewebsystems.net +a +mx +ip4:45.156.111.18 +ip4:212.114.86.48 +include:maildomain._spf.datev.de +include:node11.securewebsystems.net ~all
  • MS=ms43702830
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