nbs.de

Valid Email Server
Domain Lookup › nbs.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 09:26:14 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • nbs-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 81.169.145.64 ↩ w00.rzone.de
  • 2a01:238:20a:202:1064:: ↩ w00.rzone.de

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA docks13.rzone.de hostmaster.strato-rz.de 2020053612 86400 7200 604800 300
Primary NS (mname)
docks13.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020053612
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks13.rzone.de
shades01.rzone.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:nbs-hamburg.de a:campus.nbs.de a:elearning.nbs.de ip4:213.238.32.6 ip4:194.163.177.115 ip4:93.240.90.80 ip4:87.138.163.32 ip4:178.13.74.43 ip4:79.196.56.42 include:spf.protection.outlook.com include:spf.sendinblue.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

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

4 records
  • SPFv=spf1 a mx a:nbs-hamburg.de a:campus.nbs.de a:elearning.nbs.de ip4:213.238.32.6 ip4:194.163.177.115 ip4:93.240.90.80 ip4:87.138.163.32 ip4:178.13.74.43 ip4:79.196.56.42 include:spf.protection.outlook.com include:spf.sendinblue.com ~all
  • sendinblue-code:0dc258a0f6055ceacf2e0508ef90e5b2
  • 21GZ86ssdC9dz7kVIaavx9MNoCPRnSfOahIRwBBsTsH6aJ3jqTKgBuzuqAxnf0UJqU6rjtOjSbUl4+13eS4pjg==
  • MS=ms37861498
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