Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
altenconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 19:02:21 UTC · ↺ Refresh
MX Hostnames
- altenconstruction-com.mail.protection.outlook.com
MX Priorities
- altenconstruction-com.mail.protection.outlook.com: 5
A / AAAA Records
- 34.174.25.136 ↩ 136.25.174.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dnsbycomodo.net admin.dns.com 2025100201 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2025100201
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s
Nameservers (NS)
ns1.dnsbycomodo.net
ns2.dnsbycomodo.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:13.64.71.118 ip4:12.48.66.66 ip4:64.71.9.42 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- SPFv=spf1 mx a ip4:13.64.71.118 ip4:12.48.66.66 ip4:64.71.9.42 include:spf.protection.outlook.com -all
- MS=ms58047008
- google-site-verification=-HTWqf3vga8uDy-gFmvNdlXUhjXzBADAavGNfLBKCnM
- p265u8frdf3prmd17tca6b2uhv
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