isoservices.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
isoservices.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-24 05:10:46 UTC ยท โ†บ Refresh

MX Hostnames

  • mx2.hc3863-51.iphmx.com
  • mx1.hc3863-51.iphmx.com

MX Priorities

  • mx1.hc3863-51.iphmx.com: 10
  • mx2.hc3863-51.iphmx.com: 90

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 139.138.38.221 โ†ฉ esa1.hc3863-51.iphmx.com
  • 68.232.137.54 โ†ฉ esa2.hc3863-51.iphmx.com

SOA Record

Raw SOA ns99.worldnic.com namehost.worldnic.com 125081116 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125081116
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns99.worldnic.com
ns100.worldnic.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:67.220.105.221 ip4:139.138.38.221 ip4:104.47.45.58 mx include:mktomail.com include:_spf.salesforce.com include:spf.protection.outlook.com include:_fds.destwin.com ip4:204.75.140.0/24 ~all
๐Ÿ“Š DNS lookups: 5/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” your provider may use a custom selector name.

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

All TXT Records

5 records
  • smartsheet-site-validation=MkFZCW7Bt4R8j0YC0OgNJQrI1grsYv75
  • google-site-verification=OmvkDUhVaDllSFpwo3dO2oZ6HWb_-wXh3R_ITFjjBjk
  • MS=ms62918619
  • cisco-ci-domain-verification=371fd412aa433763c85febab748c2a4d3b09a36b531c0bb01d650af7654a5614
  • SPFv=spf1 ip4:67.220.105.221 ip4:139.138.38.221 ip4:104.47.45.58 mx include:mktomail.com include:_spf.salesforce.com include:spf.protection.outlook.com include:_fds.destwin.com ip4:204.75.140.0/24 ~all
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