Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alstober.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:11:04 UTC · ↺ Refresh
MX Hostnames
- alstober-com.mail.protection.outlook.com
MX Priorities
- alstober-com.mail.protection.outlook.com: 10
A / AAAA Records
- 162.222.137.100 ↩ da137-100.provisiondata.net
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns1.provisiondata.net hostmaster.provisiondata.net 2022071900 1800 600 604800 600
Primary NS (mname)
pdns1.provisiondata.net
Admin Email (rname)
hostmaster@provisiondata.net
Serial
2022071900
Refresh
1800s
Retry
600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns2.provisiondata.net
pdns1.provisiondata.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:199.60.252.226 ip4:199.60.252.138 ip4:208.73.58.115 ip4:208.87.198.62 ip4:208.87.198.90 ip4:199.119.218.209 ip4:162.222.137.153 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ 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
4 records- SPFv=spf1 ip4:199.60.252.226 ip4:199.60.252.138 ip4:208.73.58.115 ip4:208.87.198.62 ip4:208.87.198.90 ip4:199.119.218.209 ip4:162.222.137.153 include:spf.protection.outlook.com -all
- have-i-been-pwned-verification=8cd958adda1b09890470dfb8b735bc49
- MS=ms66967605
- apple-domain-verification=3s13Qxstaiq4RX7S
Full email verification for alstober.com
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