Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
impulsespace.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 18:30:39 UTC · ↺ Refresh
MX Hostnames
- impulsespace.mail.protection.office365.us
MX Priorities
- impulsespace.mail.protection.office365.us: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com
- 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
SOA Record
Raw SOA
daisy.ns.cloudflare.com dns.cloudflare.com 2399016338 10000 2400 604800 1800
Primary NS (mname)
daisy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399016338
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
daisy.ns.cloudflare.com
syeef.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.office365.us include:_spf.psm.knowbe4.com include:mailgun.org include:servers.mcsv.net include:amazonses.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; aspf=r; adkim=s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → 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
16 records- _1yyyadlbiwl48nad6i4h15v4qzzm5th
- atlassian-sending-domain-verification=875c3725-0435-462f-86e0-1a39f5917f15
- autodesk-domain-verification=t8kOx2AyPyonyBxXaXTC
- atlassian-domain-verification=TFYZxJKfjhjc5gNp6mKodDfLR5ZRMaddmtpZJLrYkfObsisATwYwS4SiQ6i5Mk0X
- slack-domain-verification=OFpC2S1OfNDK9fpdYwYNWXScCiIFMPWBfnhSgWjd
- onx=a4833e6d-9dde-46a5-9392-794557083634
- canva-site-verification=QPhEEDg1q_aNFIUNvlM-DA
- safetyculture-domain-verification=536d4bde-7da1-409c-9bfb-8ad737bceaea
- atlassian-domain-verification=GkrnCj8u9eI9bOxUVG7R7mbsg7wnqhjyDJrV/99TL22nxjV02ZJ8qDXTstXH0OGc
- docusign=119b441c-12c2-483b-bb5d-cdc424b3177c
- apple-domain-verification=MXaMXY26KlQzxTxG
- MS=ms29225850
- SPFv=spf1 include:spf.protection.office365.us include:_spf.psm.knowbe4.com include:mailgun.org include:servers.mcsv.net include:amazonses.com -all
- wiz-domain-verification=72feaf604371da1fba399fc108390ff1b94bc03eae50a68cbdfdbc57c0fde801
- box-domain-verification=d9bd07c373a41693b76fea180f37d00d22faea9d8348851a4a61969b32fddfb2
- ZOOM_verify_qkLGd4eLpR740ebyXAPobM
Full email verification for impulsespace.com
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