grenzebach.com

Valid Email Server
Domain Lookup › grenzebach.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grenzebach.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 16:44:21 UTC · ↺ Refresh

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MX Hostnames

  • grenzebach-com.mail.protection.outlook.com

MX Priorities

  • grenzebach-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 212.62.213.99 ↩ web02.23956.srv.lzi.ims.td-fn.net

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA dns.grenzebach.com it-support.grenzebach.de 2026031200 3600 1800 604800 1800
Primary NS (mname)
dns.grenzebach.com
Admin Email (rname)
it-support@grenzebach.de
Serial
2026031200
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

pns.dtag.de
secondary006.dtag.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:217.6.145.243 ip4:212.118.208.243 ip4:212.118.208.201 ip4:212.118.208.202 ip4:212.118.208.203 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; adkim=r; aspf=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

11 records
  • openai-domain-verification=dv-rNWqbhFWtibhU2QLkl9eNTEJ
  • d365mktkey=7cnjeiys8ac0ugqsnnxc4ara6
  • GZdTdMPNd3fKZplSf92xZNJSJCxkCEZ9nOnH5KBFVlSyiOQHpwgFI4XAH34B0VVuh2kVpsQxk1JhoTZTv1idEQ==
  • q0co13fvo92nk03dnjr6qpkm1p
  • SPFv=spf1 a mx ip4:217.6.145.243 ip4:212.118.208.243 ip4:212.118.208.201 ip4:212.118.208.202 ip4:212.118.208.203 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all
  • drg6h0rs1393pt3nrmpgge9o5f
  • gkfmgaru1nh9i0g2c4b54sh7k8
  • apple-domain-verification=HZNqCbaoqN0j1C76
  • MS=ms37892382
  • atlassian-domain-verification=2oRPNXH0tkuDhRMuBzS0HnOG3HnqCbmZ44bWg0g5qXaNUrvvgKaEnF4xVosFlcdY
  • google-site-verification=esS80GUDmE4pB_BwTXMFephwcquY5ANPJPdGR5UP_Qg
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