Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rrss.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 01:08:04 UTC · ↺ Refresh
MX Hostnames
- rrss-de.a-v1.mx.microsoft
- rrss-de.mail.protection.outlook.com
MX Priorities
- rrss-de.a-v1.mx.microsoft: 20
- rrss-de.mail.protection.outlook.com: 5
A / AAAA Records
- 78.46.146.149
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.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
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.21
- 52.101.68.5
- 2a01:111:f403:ca09::4
- 2a01:111:f403:ca09::5
- 2a01:111:f403:ca04::9
- 2a01:111:f403:ca09::7
SOA Record
Raw SOA
ns1090.ui-dns.biz hostmaster.schlund.de 2017052242 28800 7200 604800 300
Primary NS (mname)
ns1090.ui-dns.biz
Admin Email (rname)
hostmaster@schlund.de
Serial
2017052242
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1090.ui-dns.de
ns1090.ui-dns.biz
ns1090.ui-dns.com
ns1090.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com ip4:217.146.144.226 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- 2qgt6cw61101d9zgwpbf4nr59w0njz0z
- MS=ms59642334
- SPFv=spf1 a mx include:spf.protection.outlook.com ip4:217.146.144.226 -all
- swisssign-check=0zq4IxRyJfZ3i8wkKJYTcF-TDV0
- 70pxxt62j4v6hrsjqmsnl7nh9zwzhnhl
- apple-domain-verification=dkdSTsS05qXshHzA
Full email verification for rrss.de
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