Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
landolt-rdn.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 08:04:04 UTC · ↺ Refresh
MX Hostnames
- landoltrdn-ch01i.mail.protection.outlook.com
MX Priorities
- landoltrdn-ch01i.mail.protection.outlook.com: 0
A / AAAA Records
- 94.126.21.150 ↩ olaf.metanet.ch
Mail Server IPs
- 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
- 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
- 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.hostfactory.ch hostmaster.landolt-rdn.ch 2025092188 7200 7200 1209600 7200
Primary NS (mname)
ns01.hostfactory.ch
Admin Email (rname)
hostmaster@landolt-rdn.ch
Serial
2025092188
Refresh
7200s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns02.hostfactory.ch
ns01.hostfactory.ch
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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- apple-domain-verification=r2o80OS4ZUZg6OWi
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms57884570
- dxp9k9t6p4t5q3mtm0k17thsgzf78j86
- rfypddjvcc2vvgff9zh6dsvry9g65wx0
- 8fmtygn6w3m2vybdchvgm6pzmb513894
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