vispero.com

Valid Email Server
Domain Lookup › vispero.com

Domain Overview

DNS: ✓ 24d ago Checker: ✓ 24d ago
vispero.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 00:30:20 UTC · ↺ Refresh

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MX Hostnames

  • vispero-com.mail.protection.outlook.com

MX Priorities

  • vispero-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.21.54.38 (no PTR)
  • 172.67.223.104 (no PTR)
  • 2606:4700:3033::ac43:df68
  • 2606:4700:3037::6815:3626

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA jose.ns.cloudflare.com dns.cloudflare.com 2407803453 10000 2400 604800 1800
Primary NS (mname)
jose.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2407803453
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sandra.ns.cloudflare.com
jose.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:149.137.238.166 ip4:149.137.238.175 ip4:149.137.238.169 ip4:208.75.120.0/22 ip4:149.137.238.132 ip4:162.212.190.31 include:spf.protection.outlook.com include:spf.transsmart.com include:_spf.salesforce.com include:sendgrid.net include:shops.shopify.com include:4793141.spf04.hubspotemail.net include:_spf.shared.lvl.li ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]; rf=afrf; fo=0; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

25 records
  • knowbe4-site-verification=27c87bc44e473fb8ef6ee019df0078dd
  • google-site-verification=IGMBdu0suFTYC01GIRcui01-HQl-BweXF7j04KbYw6w
  • atlassian-sending-domain-verification=951a907d-f38e-476f-a4e0-9d959d621902
  • 52rwij8k8x
  • ZOOM_verify_XpDW3GK6oLOuFrnYPdHl3A
  • MS=ms57845256
  • cloudflare_dashboard_sso=9327a62624f3e8ed0e4f3d11017d9fac
  • brevo-code:3cac3002e373301dd4c94d017d8e95da
  • openai-domain-verification=dv-spFP8Ad0wE3gFeUeyhpvE5v2
  • atlassian-domain-verification=16gWpMw7tlcrzJhu3jk2e6SMZcoMqkWIFq6407AWAONPmyTHvZXn6VRaeqo/d9Xa
  • shopify-verification-code=0MiQ57ySotVqvgMwb6mDaScumxL94R
  • launchdarkly-domain-verification=68de5d90-49c5-4965-a39c-ae71eaad83dd
  • miro-verification=7e0cc01700b9379d9510844958e3921d9becf13c
  • anthropic-domain-verification-qz1p7h=EhRC4yXIwdD1VtHchy8zlCCyW
  • atlassian-domain-verification=UryGGEeebyJHJDgiur0DbojmfQYgse7R32TI9VxTKl8eNVHYfiqE/wkta2yKV3Zp
  • google-site-verification=2exJw3UU4Jvl8KUGBhNfVtVD3KRAc_nmVBBtVNeqsZw
  • slack-domain-verification=dCnoUtvIDBgOn1gyHhLgyrLe15lwaJIizVRilOhO
  • docusign=9e395988-086a-4512-a045-1ac76c47d03e
  • atlassian-domain-verification=nissEhmC4B6UKISCFHC58cg1wFkCxB9PpFTX/GtI7ku3ALbBlxJ6bWojywVttwRX
  • MS=ms62038870
  • google-site-verification=-vEhhCx2nE2cPLtapDkxT9Gy7b-BHHHDWG8kWnLlNIs
  • stripe-verification=B48DF4186519AADBBF94947C392367137BFCF26B74C2AEECFEF1B0E718C51697
  • apple-domain-verification=pWuHrKsnmsU747kj
  • SPFv=spf1 ip4:149.137.238.166 ip4:149.137.238.175 ip4:149.137.238.169 ip4:208.75.120.0/22 ip4:149.137.238.132 ip4:162.212.190.31 include:spf.protection.outlook.com include:spf.transsmart.com include:_spf.salesforce.com include:sendgrid.net include:shops.shopify.com include:4793141.spf04.hubspotemail.net include:_spf.shared.lvl.li ~all
  • EVuSqi77gLRDQkFGEvgGq5ESGxd/fCsED1/dsaijtq4buuigeA7dA5TGWMibKJBGy7TVGyGLp1vDtqDPdVNIrg==
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