Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knaufinsulation.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 05:33:10 UTC · ↺ Refresh
MX Hostnames
- mailstream-eu1.mxrecord.io
MX Priorities
- mailstream-eu1.mxrecord.io: 10
A / AAAA Records
- 172.64.145.106 (no PTR)
- 104.18.42.150 (no PTR)
- 2a06:98c1:3108::ac40:916a (no PTR)
- 2606:4700:4406::6812:2a96 (no PTR)
Mail Server IPs
- 172.65.245.214 (no PTR)
SOA Record
Raw SOA
aaron.ns.cloudflare.com dns.cloudflare.com 2399847034 10000 2400 604800 1800
Primary NS (mname)
aaron.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399847034
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
virginia.ns.cloudflare.com
aaron.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:sendgrid.net mx:mail01.knauf.de mx:mail02.knauf.de include:5974320.spf01.hubspotemail.net include:5974319.spf01.hubspotemail.net include:5974328.spf03.hubspotemail.net include:nl-sent.de ip4:82.210.238.38 ip4:82.210.238.39 ip4:217.16.184.115/32 ip4:217.16.184.61/32 ip6:2a00:1ed0:101::b/128 -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
14 records- MS=6B56B09B23E956B7DC6FD260EA9BD2A8C119EE4C
- miro-verification=72ff53054bd883f89f1694fea716d84ce0e88228
- ibmid=0336e5cd-166b-497d-876c-12004ee06d4b
- docker-verification=55c366e6-4555-4c9b-a6c0-e7511de47e6f
- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:sendgrid.net mx:mail01.knauf.de mx:mail02.knauf.de include:5974320.spf01.hubspotemail.net include:5974319.spf01.hubspotemail.net include:5974328.spf03.hubspotemail.net include:nl-sent.de ip4:82.210.238.38 ip4:82.210.238.39 ip4:217.16.184.115/32 ip4:217.16.184.61/32 ip6:2a00:1ed0:101::b/128 -all
- google-site-verification=QMRFUQAtHjFU617Hnq2bDw2bzRwXmh0ddxJGZep74ds
- new-relic-domain-verification=2a241f1411ac402693500ffe53f25aad
- adobe-idp-site-verification=d04a867d1bf7208af1d94176eb8572b5bc02de0f7f2788cf27fbba2467f69ef2
- atlassian-domain-verification=70GqHrluIKB0DlW53dSuqFSbFlhlfZlApKbP2E3g3PR8EoOJNkl/coLmRJK97vOn
- knowbe4-site-verification=b54fb9e72807314d02f5234c0f0ac058
- pardot_169632_*=6d2514b95e8641c24d6c131c6a8c86543ca9231be7c4cde57da979fd9ac78273
- airtable-verification=b1a094f70c2b779070e6add5893c561d
- MS=ms70306009
- stripe-verification=e61793246b3f862b96defe9177ec616fad036cd193c2bb2cb43b2b69ae64d02b
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