supersonntag-quedlinburg.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
supersonntag-quedlinburg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 14:40:54 UTC · ↺ Refresh

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MX Hostnames

  • supersonntagquedlinburg-de03b.mail.protection.outlook.com

MX Priorities

  • supersonntagquedlinburg-de03b.mail.protection.outlook.com: 10

A / AAAA Records

  • 5.22.145.16 ↩ relay.mail-forwarder.io
  • 5.22.145.121 ↩ relay.mail-forwarder.io
  • 2a00:18e0:5:3:dfe2:c743:85aa:61bc
  • 2a00:18e0:5:2:7577:4e4d:413b:f507

Mail Server IPs

  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.brandshelter.com tech.brandshelter.com 2025052600 10800 3600 604800 300
Primary NS (mname)
ns1.brandshelter.com
Admin Email (rname)
tech@brandshelter.com
Serial
2025052600
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1.brandshelter.com
ns5.brandshelter.us
ns2.brandshelter.de
ns4.brandshelter.net
ns3.brandshelter.info

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_u.supersonntag-quedlinburg.de._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

2 records
  • SPFv=spf1 include:_u.supersonntag-quedlinburg.de._spf.smart.ondmarc.com ~all
  • MS=ms48934555
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