rbcollection.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rbcollection.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 05:49:26 UTC · ↺ Refresh

MX Hostnames

  • rbcollection-com.mail.protection.outlook.com

MX Priorities

  • rbcollection-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.19.154.92 (no PTR)

Mail Server IPs

  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.livedns.co.uk admin.rbcollection.com 1567171378 10800 3600 604800 3600
Primary NS (mname)
ns1.livedns.co.uk
Admin Email (rname)
admin@rbcollection.com
Serial
1567171378
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.livedns.co.uk
ns3.livedns.co.uk
ns1.livedns.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:83.170.112.48 include:spf.protection.outlook.com include:authsmtp.com include:smtp.office365.com include:spf.mercuryoffice.co.uk ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 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

8 records
  • 202407080002290kn91amsnsa9mdx9iowanf5s8cas1c8aol7fi1ijhabbcisyck
  • 202208040752084ei6oz1nste87w5826n6c979ae1f0e1p5p9l1jv6iopbdje1fa
  • 202308070916160csn536j3dbj7h1lduvwrel9r6vv5uilyj9rkb3ydb70mzr2ms
  • 2019080520560367cn066clczu3xoysnamuptokgi5otfwygw0w6vysb0vxqriqn
  • as=1494593471
  • 2022072100003137j3obkdvps74uem3ka8j2q6nc6ayo3h1uo538xlbzkb5ttyh1
  • SPFv=spf1 ip4:83.170.112.48 include:spf.protection.outlook.com include:authsmtp.com include:smtp.office365.com include:spf.mercuryoffice.co.uk ~all
  • 202307070002015o3f4afg6v5ru4z5kr8hpn86rrl6sqz1syu1s9vivmjbcjdm62
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