Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mastec.se
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 20:32:52 UTC · ↺ Refresh
MX Hostnames
- mastec-se.mail.protection.outlook.com
MX Priorities
- mastec-se.mail.protection.outlook.com: 0
A / AAAA Records
- 13.49.28.182 ↩ ec2-13-49-28-182.eu-north-1.compute.amazonaws.com
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.dnsdrift.net registry.exeo.se 1773933363 10800 3600 604800 38400
Primary NS (mname)
ns.dnsdrift.net
Admin Email (rname)
registry@exeo.se
Serial
1773933363
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns.dnsdrift.net
ns2.dnsdrift.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.20.108.211 include:spf.comendosystems.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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: 216 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
4 records- _z0j2be5ymkxtgecullt4nbbftozgzkv
- SPFv=spf1 ip4:62.20.108.211 include:spf.comendosystems.com include:spf.protection.outlook.com -all
- _b48tqrti8juj79szzvvvlys6e6n367e
- MS=ms42070855
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