rhombus.com

Valid Email Server
Domain Lookup › rhombus.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rhombus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:29:22 UTC · ↺ Refresh

MX Hostnames

  • rhombus-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 75.2.60.5

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-1627.awsdns-11.co.uk
ns-484.awsdns-60.com
ns-649.awsdns-17.net
ns-1049.awsdns-03.org

SPF Record

✓ Strict (-all)
v=spf1 mx include:_spf.salesforce.com include:spf.protection.outlook.com include:mail.zendesk.com include:amazonses.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

13 records
  • anthropic-domain-verification-1cevk2=WpUWmjYWTpBZdQOaf2LXuFTuV
  • cursor-domain-verification-kd4fpm=Pgqtm9NwSUYgOU3YCoj9uGUTj
  • google-site-verification=Cj-GI5OfL7B9xxRRWFLU825X-fa5jnWDDgwjx8zzPfA
  • hubspot-domain-verification=YmI1OTI4OTYtN2JkZC00OGZkLThhZTUtM2MwY2RjMzQ5Yzlk
  • openai-domain-verification=dv-dCoh6VAoc4XQ9E5KaRfuT3Wq
  • postman-domain-verification=023e59b1af733c40d631e904f1bc021dfa1c829bdb6584ee2a98aafd79b37b401a867f510ee342e9505b0cd720b9a138f66737d3c69947a0373e5c5f1dd3a217
  • smartsheet-site-validation=gE-2HacNScyh3obgJbsHBBz4yn7nhDgK
  • SPFv=spf1 mx include:_spf.salesforce.com include:spf.protection.outlook.com include:mail.zendesk.com include:amazonses.com -all
  • zapier-domain-verification-challenge=e0ef370e-d87b-477e-aa8b-3dd4d7067f4e
  • 5hzlprxqb7p8nb3klp73xyw3lc1hrxn8
  • ZOOM_verify_otKvHVBk9gSuuxSJKzM4X6
  • adobe-idp-site-verification=298d9bc340a956cfd0fc79eb82eb115b373a165d6e4ce5a0a0e3af2ddf99a2b1
  • airtable-verification=7a99065e8ad24c0413b455653ceaf56c
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