g-b-c.de

Valid Email Server
Domain Lookup › g-b-c.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
g-b-c.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

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

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MX Hostnames

  • gbc-de0k.mail.protection.outlook.com

MX Priorities

  • gbc-de0k.mail.protection.outlook.com: 10

A / AAAA Records

  • 188.40.219.167 ↩ dedi8422.your-server.de

Mail Server IPs

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

SOA Record

Raw SOA ns1.prodns.de dnsmaster.prodns.de 2026081414 14400 3600 2419200 300
Primary NS (mname)
ns1.prodns.de
Admin Email (rname)
dnsmaster@prodns.de
Serial
2026081414
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2.prodns.de
ns3.prodns.de
ns1.prodns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:91.233.84.0/22 include:mail.zendesk.com include:spf.nl2go.com include:spf.protection.outlook.de ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:54.240.64.0/19 ip4:54.240.96.0/19 ip4:52.82.172.0/22 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • SPFv=spf1 a mx ip4:91.233.84.0/22 include:mail.zendesk.com include:spf.nl2go.com include:spf.protection.outlook.de ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:54.240.64.0/19 ip4:54.240.96.0/19 ip4:52.82.172.0/22 -all
  • google-site-verification=uh2s0XpoiRiv9eBUx5okhRVe0xnNzGatIDwRF9aemYg
  • sophos-domain-verification=b41730056bed0dd3697da11fddeb747be13a9e25bfcddf4bbd553ec44ed783a5
  • MS=ms79367567
  • brevo-code:10fce8a9f984a9a78e8fd747a4bbdf68
  • MS=77857D4AA2E4896CB5839F11CFE4BCD20609B11F
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