Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
katho-nrw.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 01:37:47 UTC · ↺ Refresh
MX Hostnames
- kathonrw-de01c.mail.protection.outlook.com
MX Priorities
- kathonrw-de01c.mail.protection.outlook.com: 10
A / AAAA Records
- 80.70.188.124 (no PTR)
- 2a02:450:1:188::124 (no PTR)
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2026030411 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026030411
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns2.domaindiscount24.net
ns3.domaindiscount24.net
ns1.domaindiscount24.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:80.70.188.83 ip6:2a02:450:1:188::83 a:mx0.katho-nrw.de a:mail1.katho-nrw.de a:mailout.katho-nrw.de a:alephino.katho-nrw.de a:imap1.katho-nrw.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
7 records- google-site-verification=tp9-mEGuy1jp9sS6sWHEqfr78epiuzLCwsMYwJ9m0fM
- asv=4286093cd6abd9e8fc3fcc09bc27044e
- cisco-ci-domain-verification=51c1614fd538e9f1e15aad3a3ed501bf36810527c90bfad914de41e7244a266e
- HARICA-OlEZqwrRXJPsh0YrLWf
- apple-domain-verification=PHIBoKrzLMzHDTGV
- google-site-verification=I1MPQq8IQm0h2n4zGRG-1MegU7CFNV4keUsAAgPvffU
- SPFv=spf1 ip4:80.70.188.83 ip6:2a02:450:1:188::83 a:mx0.katho-nrw.de a:mail1.katho-nrw.de a:mailout.katho-nrw.de a:alephino.katho-nrw.de a:imap1.katho-nrw.de include:spf.protection.outlook.com ~all
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