Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
nsdecatur.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 06:39:56 UTC · ↺ Refresh
MX Hostnames
- nsdecatur-com.mail.protection.outlook.com
MX Priorities
- nsdecatur-com.mail.protection.outlook.com: 0
A / AAAA Records
- 12.150.243.132 (no PTR)
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010115 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010115
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
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:128.136.42.208 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.protection.outlook.com ip4:128.136.42.208 ~all
- apple-domain-verification=ZK8AopqG9Sh5xPIy
- openai-domain-verification=dv-TdHpXUbP7uBqru9CaR7QIrg8
- MS=ms26596928
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