Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
insulation.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:00:16 UTC · ↺ Refresh
MX Hostnames
- insulation-net.mail.protection.outlook.com
MX Priorities
- insulation-net.mail.protection.outlook.com: 0
A / AAAA Records
- 45.40.149.172 ↩ 172.149.40.45.host.secureserver.net
Mail Server IPs
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
ns61.worldnic.com namehost.worldnic.com 125071509 10800 3600 604800 3600
Primary NS (mname)
ns61.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125071509
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns61.worldnic.com
ns62.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; 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: 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
9 records- 1qqk5rsbiha23j0abq3sk9cuqv
- lgluipuje7n3h6kf6qdmjdtnof
- hb812vv0jufcr87u658jeju0rh
- k6onp0hp2i495ma1q198hmep3r
- 2rq30m10pp8skkgof1657ai0fa
- google-site-verification=9ccJDOWzltGKAOeGjTAvmteaULUI9KYC7jsewQVtC58
- google-site-verification=CqR9yXfRgStyDPOef3ORfWqqloHiIYGPOXgnshLq_qs
- j7u0h4g94hlbibfkqpsj5ns7e0
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for insulation.net
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits