Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
data-security.one
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 05:31:14 UTC · ↺ Refresh
MX Hostnames
- datasecurity-one01b.mail.protection.outlook.com
MX Priorities
- datasecurity-one01b.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.60 (no PTR)
- 199.60.103.160 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1018.ui-dns.org hostmaster.1und1.com 2017060152 28800 7200 604800 600
Primary NS (mname)
ns1018.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060152
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1018.ui-dns.org
ns1025.ui-dns.de
ns1058.ui-dns.biz
ns1123.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:144531459.spf01.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=s; adkim=s; fo=1:d:s;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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- google-site-verification=Yb5Ns3ZY5X21GJVMr_L3nxQwPX9NB97ldchJXmUtRJ8
- MS=ms74835005
- SPFv=spf1 include:spf.protection.outlook.com include:144531459.spf01.hubspotemail.net -all
Full email verification for data-security.one
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