portas.de

Valid Email Server
Domain Lookup › portas.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 01:30:43 UTC · ↺ Refresh

MX Hostnames

  • srv01.portas.de
  • portas-de.mail.protection.outlook.com

MX Priorities

  • portas-de.mail.protection.outlook.com: 20
  • srv01.portas.de: 10

A / AAAA Records

  • 81.20.84.231 ↩ vs31416xs.convectoserver.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 87.129.137.214 ↩ srv01.portas.de

SOA Record

Raw SOA ns1.cloudshift.io domains.convecto.com 2026011200 43200 7200 1209600 600
Primary NS (mname)
ns1.cloudshift.io
Admin Email (rname)
domains@convecto.com
Serial
2026011200
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns2.cloudshift.io
ns1.cloudshift.io
ns4.cloudshift.io
ns3.cloudshift.io

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:81.20.84.230 ip4:145.253.187.245 ip4:87.129.137.214 include:hostedoffice.ag include:cmail1.com include:spf.protection.outlook.com include:srv01.portas.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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

3 records
  • google-site-verification=CERnPwa9U5V-_E6KGt7NCPrQAWEdMMe0yG8qRwlEEz4
  • google-site-verification=OXQ-P4UkMwb5r3faY-X2w5P_QB5UHrJHQGDYErC4Zmc
  • SPFv=spf1 mx a ip4:81.20.84.230 ip4:145.253.187.245 ip4:87.129.137.214 include:hostedoffice.ag include:cmail1.com include:spf.protection.outlook.com include:srv01.portas.de ~all
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