Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sigmatechnology.se
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 21:59:52 UTC · ↺ Refresh
MX Hostnames
- sigmatechnology-se.mail.protection.outlook.com
MX Priorities
- sigmatechnology-se.mail.protection.outlook.com: 10
A / AAAA Records
- 194.17.253.122 ↩ sigmatechnology.se
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.sigmatechnology.se hostmaster.sigmatechnology.se 2025090304 28800 3600 1209600 600
Primary NS (mname)
ns1.sigmatechnology.se
Admin Email (rname)
hostmaster@sigmatechnology.se
Serial
2025090304
Refresh
28800s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns3.sigmatechnology.se
ns1.sigmatechnology.se
ns2.sigmatechnology.se
SPF Record
✓ Strict (-all)
v=spf1 ip4:194.17.253.65 ip4:194.17.253.66 include:spf.protection.outlook.com include:sendgrid.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1; ri=3600;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- HequdIs2adahy8Pn4vibpr1eFgkXRCvE1tYLcIYjSkiBAinHF48khUpDbptx5M+G507MsxZvpOhJvaLvcQUxMQ==
- SPFv=spf1 ip4:194.17.253.65 ip4:194.17.253.66 include:spf.protection.outlook.com include:sendgrid.net -all
- facebook-domain-verification=rwn0u8gtojfi901stebg3xsdp05cu2
- MS=ms77415768
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