Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bluepp.dk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 03:08:59 UTC · ↺ Refresh
MX Hostnames
- bluepp-dk.mail.protection.outlook.com
MX Priorities
- bluepp-dk.mail.protection.outlook.com: 0
A / AAAA Records
- 77.111.240.191 ↩ webcluster2.webpod11-cph3.one.com
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.one.com hostmaster.one.com 2026030201 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026030201
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns01.one.com
ns02.one.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:2.106.123.166 ip4:203.129.144.109 include:_spf.psm.knowbe4.com -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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- SPFv=spf1 include:spf.protection.outlook.com ip4:2.106.123.166 ip4:203.129.144.109 include:_spf.psm.knowbe4.com -all
- autodesk-domain-verification=p-ExOPY10M8LQyXARq55
- atlassian-domain-verification=ynfgomKPkA0jGZ0mgqQUzYNFwCww6Cn/WQaoInDQ9RGJCwN7sQuvaowXBaOPBawq
- atlassian-domain-verification=/VnoDMVJ2jW4kJP/C3bafNKVwaNAvBtxmBInBJBDU8JH9aUKXieCANptJaRaw5/6
- docusign=af6c8e47-3bbe-49ff-9b2a-cd71ed73a1a8
- apple-domain-verification=bg8XRKtjmjMYO8fI
- asv=b392d4d1b29017a07bfba388596d4e43
Full email verification for bluepp.dk
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