Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mercuri.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 13:07:41 UTC · ↺ Refresh
MX Hostnames
- mercuri-de.mail.protection.outlook.com
MX Priorities
- mercuri-de.mail.protection.outlook.com: 10
A / AAAA Records
- 151.101.66.132 (no PTR)
- 151.101.2.132 (no PTR)
- 151.101.130.132
- 151.101.194.132
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
a.portsdns.se registry.ports.net 2025091100 1800 900 1814400 3600
Primary NS (mname)
a.portsdns.se
Admin Email (rname)
registry@ports.net
Serial
2025091100
Refresh
1800s
Retry
900s
Expire
1814400s
Minimum TTL
3600s
Nameservers (NS)
b.portsdns.net
a.portsdns.se
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.synotio.se -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.synotio.se -all
- d365mktkey=7ja9gc6ajwwhgsl1yrqhqwqyp
- MS=ms81725717
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