c-roer.de

Valid Email Server
Domain Lookup › c-roer.de

Domain Overview

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

Checked via [email protected] · 2026-03-29 04:24:34 UTC · ↺ Refresh

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MX Hostnames

  • croer-de0c.mail.protection.outlook.com

MX Priorities

  • croer-de0c.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.88.213.51 ↩ srv-a-io.c-909.maxcluster.net
  • 2a00:f48:1008::213:51:10 ↩ srv-a-io.c-909.maxcluster.net

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA nameserver-1-io.maxcluster.net info.maxcluster.net 2021031601 3600 1000 604800 600
Primary NS (mname)
nameserver-1-io.maxcluster.net
Admin Email (rname)
info@maxcluster.net
Serial
2021031601
Refresh
3600s
Retry
1000s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

nameserver-1-io.maxcluster.net
nameserver-2-io.maxcluster.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

2 records
  • MS=ms90575436
  • SPFv=spf1 include:spf.protection.outlook.com -all
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