ertl.de

Valid Email Server
Domain Lookup › ertl.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 19:02:12 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.21.46.57 (no PTR)
  • 172.67.168.28 (no PTR)
  • 2606:4700:3034::ac43:a81c
  • 2606:4700:3032::6815:2e39

Mail Server IPs

  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA chan.ns.cloudflare.com dns.cloudflare.com 2398791692 10000 2400 604800 1800
Primary NS (mname)
chan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398791692
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

chan.ns.cloudflare.com
hank.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.crsend.com include:servers.mcsv.net ip4:83.169.36.231 ip6:2a01:488:66:1000:53a9:24e7:0:1 ip4:54.246.203.105 ip4:185.60.20.0/24 ip4:185.147.218.38 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.crsend.com include:servers.mcsv.net ip4:83.169.36.231 ip6:2a01:488:66:1000:53a9:24e7:0:1 ip4:54.246.203.105 ip4:185.60.20.0/24 ip4:185.147.218.38 -all
  • google-site-verification=364YdtCbudzXlHO-wKeEoKiE8X_cgTNnwU_IpxyY73k
Full email verification for ertl.de

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