Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
centrotherm.us.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 06:24:08 UTC · ↺ Refresh
MX Hostnames
- centrotherm-us-com.mail.protection.outlook.com
MX Priorities
- centrotherm-us-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.105.224.26 (no PTR)
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2026040907 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026040907
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns3.domaindiscount24.net
ns2.domaindiscount24.net
ns1.domaindiscount24.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:66.109.34.131/32 ip4:62.154.218.68/32 ip4:62.154.218.72/32 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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
✓ 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
7 records- ZA=oM0s8lmG6TGMQwDk+16lvYnVszubofvThsllRhko+BY=
- 91tossckcrej8n9tsuv9dhcmj7
- SPFv=spf1 include:spf.protection.outlook.com ip4:66.109.34.131/32 ip4:62.154.218.68/32 ip4:62.154.218.72/32 ~all
- google-site-verification=Do2eBAd61vZP86pb1pjbNVoNBULFlbnl528SLmOSE0M
- MS=ms64100105
- 5TVDvrx36uk060Qd7Z6Xt7SckXQg81GGwZW4Req3UA5ZwJJ1Vx0rqFGvcpTjM9mEks2g5p
- d365mktkey=wpxnpb4NJHVSTF2GJxBqr5KuxvpNlmYGc6OIggWPUJcx
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