oncallss.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
oncallss.com
Yes
โœ“ Yes
Zoho
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-04 09:28:45 UTC ยท โ†บ Refresh

MX Hostnames

  • mx3.zoho.com
  • mx2.zoho.com
  • mx.zoho.com

MX Priorities

  • mx2.zoho.com: 20
  • mx3.zoho.com: 50
  • mx.zoho.com: 10

A / AAAA Records

  • 198.49.23.144 (no PTR)

Mail Server IPs

  • 136.143.183.44 โ†ฉ mx.zohomail.com

SOA Record

Raw SOA ns-cloud-a1.googledomains.com cloud-dns-hostmaster.google.com 1 21600 3600 259200 300
Primary NS (mname)
ns-cloud-a1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
1
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-a4.googledomains.com
ns-cloud-a3.googledomains.com
ns-cloud-a1.googledomains.com
ns-cloud-a2.googledomains.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:zohomail.com ~all
๐Ÿ“Š DNS lookups: 1/10
~ 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

4 records
  • google-site-verification=Rzl3Ho8NrTrQqZnWdohlS3oJTL3GIuuc-TrW_b_EiL8
  • zoho-verification=zb79409919.zmverify.zoho.com
  • SPFv=spf1 include:zohomail.com ~all
  • google-site-verification=Y8y9VazgY49vAKE5awrijh-UkOYUS8mUNi641PnxdZ0
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