Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vertical.sk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 13:44:25 UTC · ↺ Refresh
MX Hostnames
- vertical-sk.mail.eo.outlook.com
- mailin.mx-hub.sk
- mailin.mx-hub.cz
- mailin.mx-hub.eu
- mailin.mx-hub.net
MX Priorities
- mailin.mx-hub.cz: 5
- mailin.mx-hub.net: 5
- vertical-sk.mail.eo.outlook.com: 0
- mailin.mx-hub.sk: 5
- mailin.mx-hub.eu: 5
A / AAAA Records
- 195.181.251.22
Mail Server IPs
- 130.193.14.152 ↩ mailin.mx-hub.cz
- 2001:1ab0:7e1f:1::1:3 ↩ mailin.mx-hub.cz
- 185.102.21.54 ↩ mailin.mx-hub.net
- 2001:880::15:0:0:0:177 ↩ mailin.mx-hub.net
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c
- 2a01:111:f403:ca09::4
- 185.102.21.195
- 2001:880::15:0:0:0:60
- 130.193.14.153
- 2001:1ab0:7e1f:1::1:4
SOA Record
Raw SOA
ns1.dnsbackup.net root.dnsbackup.net 2026031401 36000 3600 1209600 86400
Primary NS (mname)
ns1.dnsbackup.net
Admin Email (rname)
root@dnsbackup.net
Serial
2026031401
Refresh
36000s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.dnsbackup.net
ns1.nameserver.sk
ns2.dnsbackup.net
ns2.nameserver.sk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 59 chars (valid)
✓ DKIM properly configured for selector: default
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 -all
- v=spf2.0/mfrom,pra +a +mx include:_spf2.nameserver.sk -all
- 3UsEioQB0HH1ynN0IkdxnzfzrwY0ldmHVjukTpsjydZ1JboGE5iU3UssLG6kP5aMgzDcmMy1XHLUKsY54Ml9sA==
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