Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ursulinen-straubing.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 22:37:28 UTC · ↺ Refresh
MX Hostnames
- ursulinenstraubing-de02c.mail.protection.outlook.com
MX Priorities
- ursulinenstraubing-de02c.mail.protection.outlook.com: 0
A / AAAA Records
- 136.243.167.154 ↩ www489.your-server.de
- 2a01:4f8:d0a:63eb::2 ↩ www489.your-server.de
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026011300 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026011300
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- google-site-verification=zB3_6uLUfbdp7w5lyueyslxENVzpTGfKQF2FGBIZBJE
- SPFv=spf1 include:spf.protection.outlook.com -all
- apple-domain-verification=cqYW8l3GdY0SDwa2
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