Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
winter-construction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 04:41:01 UTC · ↺ Refresh
MX Hostnames
- winterconstruction-com01e.mail.protection.outlook.com
MX Priorities
- winterconstruction-com01e.mail.protection.outlook.com: 10
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2026031700 28800 7200 604800 3600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns51.domaincontrol.com
ns52.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.zohomail360.com include:spf.salesforce.com include:spf.protection.outlook.com include:spf.happyfox.com ip4:50.200.168.210 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
9 records- ZOOM_verify_gFWrxbGdTcqU6162Q2TPKQ
- docusign=807304b4-e83d-4b4c-8fa5-95010d50ef02
- v=verifydomain MS=1505347
- knowbe4-site-verification=7fb2b3e41205c13ce4997a4cc41ca929
- google-site-verification=MVI9KCmqlZl8c3Zp03PG1CUoU-ms5PGd4v8tYDe6SNk
- google-site-verification=q0S7f4qLpR0IlNExkQEyIpUuKkzsq00vOzZaRsdv6Ec
- google-site-verification=YvdnxxXwIX4x6Hm_6Yx0orlrmYWHoHsIS3pGpAv_i4c
- SPFv=spf1 include:spf.zohomail360.com include:spf.salesforce.com include:spf.protection.outlook.com include:spf.happyfox.com ip4:50.200.168.210 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 -all
- dropbox-domain-verification=gqur5sijy9ib
Full email verification for winter-construction.com
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