insightfs.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
insightfs.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-31 19:47:42 UTC ยท โ†บ Refresh

MX Hostnames

  • mailstream-west.mxrecord.io
  • mailstream-east.mxrecord.io
  • mailstream-central.mxrecord.mx

MX Priorities

  • mailstream-west.mxrecord.io: 20
  • mailstream-central.mxrecord.mx: 5
  • mailstream-east.mxrecord.io: 10

A / AAAA Records

  • 104.18.5.130 (no PTR)
  • 104.18.4.130 (no PTR)
  • 2606:4700::6812:582 (no PTR)
  • 2606:4700::6812:482 (no PTR)

Mail Server IPs

  • 172.65.220.210 (no PTR)
  • 172.65.64.78 (no PTR)
  • 172.65.213.128 (no PTR)

SOA Record

Raw SOA boyd.ns.cloudflare.com dns.cloudflare.com 2399926436 10000 2400 604800 1800
Primary NS (mname)
boyd.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399926436
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

boyd.ns.cloudflare.com
cloe.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 mx ip4:135.84.130.60/31 ip4:135.84.131.252 include:spf.protection.outlook.com include:spf.constantcontact.com include:servers.mcsv.net include:_spf.psm.knowbe4.com -all
๐Ÿ“Š DNS lookups: 5/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;sp=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: reject

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

15 records
  • monday-com-verification=UNKgyBlLU4PamesKsprI2HL6ARen4m9jlam4ESifZRU
  • SPFv=spf1 mx ip4:135.84.130.60/31 ip4:135.84.131.252 include:spf.protection.outlook.com include:spf.constantcontact.com include:servers.mcsv.net include:_spf.psm.knowbe4.com -all
  • x0lwsjc14zb1c0t6wz9nm0wft65vnkg4
  • 20m3p3jw79kxbwt4y5b0bhz37nqd31tm
  • MS=ms64463468
  • MS=ms73522841
  • VsTOoSemEkxLFSvYvCW4t3Vp91eLw+zPzxDtty8JBZ0KQDKWsot/X8A9k3AwQp5nMjKtR94yGXuSh3F3zKKBJQ==
  • _nbdidqt9lhsbsy6vyfuygp9149fgrs8
  • apple-domain-verification=LEvofCk2zvNXaK0M
  • docusign=7c6e2b99-ff73-4cf9-9e0a-fcde8ccf1f46
  • docusign=c1e87211-adc4-483d-a418-9e0f506cb35d
  • facebook-domain-verification=40194rjg23iw4e1kvrtmqikt3iyj0o
  • google-site-verification=IuHd3Vymj5NR1LWKljXE-nLBA7IZ7BPzPW6b5JNacNk
  • google-site-verification=WopGonLfIShuU5jzRwN178iVy0rYOPvTEuFr-nYJbWI
  • jz35h0688t2zxky6hszxx6b2g3fqxvyl
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