Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
derse.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 04:44:40 UTC · ↺ Refresh
MX Hostnames
- derse-com.mail.protection.outlook.com
MX Priorities
- derse-com.mail.protection.outlook.com: 0
A / AAAA Records
- 195.26.245.33 ↩ s002.trivera.com
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns73.ultradns.com itadmin.derse.com 631 3600 600 1209600 3600
Primary NS (mname)
pdns73.ultradns.com
Admin Email (rname)
itadmin@derse.com
Serial
631
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
pdns73.ultradns.biz
pdns73.ultradns.com
pdns73.ultradns.net
pdns73.ultradns.org
pdns73.ultradns.info
pdns73.ultradns.co.uk
SPF Record
✓ Strict (-all)
v=spf1 a ip4:207.138.120.167 ip4:198.2.128.179 include:spf.protection.outlook.com include:shared.hubspot.com include:2725516.spf07.hubspotemail.net include:spfa.cpmails.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
8 records- d3c44d534fc253c4bc2ed0b47ea9acac
- apple-domain-verification=59EjnROLc9fZiPfn
- SPFv=spf1 a ip4:207.138.120.167 ip4:198.2.128.179 include:spf.protection.outlook.com include:shared.hubspot.com include:2725516.spf07.hubspotemail.net include:spfa.cpmails.com -all
- MS=ms24909790
- 568s4mm4orr6m88roou7dm4d0a
- 9a9fdgoao9q1u3120nm3rbhatl
- _1244lh3gljgv0s40oe9l8nyhtju5su3
- _nrr0yxelaf3nab1gva8xiajvmeioqyj
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