Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centurum.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 13:02:16 UTC · ↺ Refresh
MX Hostnames
- centurum-com.mail.protection.outlook.com
MX Priorities
- centurum-com.mail.protection.outlook.com: 10
A / AAAA Records
- 40.129.202.163 ↩ h163.202.129.40.static.ip.windstream.net
Mail Server IPs
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010166 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010166
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:40.136.71.160/27 ip4:71.120.187.2/27 ip4:12.109.128.32/27 ip4:173.12.29.41/27 ip4:40.129.202.162/28 ip4:173.61.66.2/24 ip4:24.214.204.54/30 ip4:63.46.242.85 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=reject; ri=86400;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- atlassian-domain-verification=ER/LYn5heHSbZ9UXQa4TNzr8rj5a3WsVBIGmRa6rqCk3PryUmc/gQVrB6cg7AuvD
- MS=ms38736272
- SPFv=spf1 ip4:40.136.71.160/27 ip4:71.120.187.2/27 ip4:12.109.128.32/27 ip4:173.12.29.41/27 ip4:40.129.202.162/28 ip4:173.61.66.2/24 ip4:24.214.204.54/30 ip4:63.46.242.85 include:spf.protection.outlook.com -all
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