Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rkindustries.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 15:52:01 UTC · ↺ Refresh
MX Hostnames
- rkindustries-com.mail.protection.outlook.com
MX Priorities
- rkindustries-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.212.40.12 ↩ 12.40.212.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns25.worldnic.com namehost.worldnic.com 126030715 10800 3600 604800 3600
Primary NS (mname)
ns25.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030715
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns26.worldnic.com
ns25.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.constantcontact.com include:in.constantcontact.com include:spf.exclaimer.net include:res.cisco.com ip4:50.232.231.128/29 ip4:38.32.95.227 ip4:66.18.116.43 ip4:67.227.199.87 ip4:204.10.44.254 ip4:205.207.106.0/24 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
10 records- cmtpbmR1c3RyaWVz
- atlassian-sending-domain-verification=8c0df588-ed65-430d-b86f-77f8ac8e02d1
- 4qxnjfscx5mkh7ptzv9cr0bpwzhcdn0p
- google-site-verification=BDTgGBim40i19jk4kJqv1dRPyytA1NRgHsKLURpfAQQ
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.constantcontact.com include:in.constantcontact.com include:spf.exclaimer.net include:res.cisco.com ip4:50.232.231.128/29 ip4:38.32.95.227 ip4:66.18.116.43 ip4:67.227.199.87 ip4:204.10.44.254 ip4:205.207.106.0/24 ~all
- google-site-verification=ewe6eWFov2pq0VAchgwXyVpseq3cwZn4pGuHnfkNqAc
- atlassian-domain-verification=JzVmB06Bg/GewsrxBJE2Vm36Y7HrYPlwyTEl/vhqP3RwaS3w8qrMy5KnsvFofSe5
- sophos-domain-verification=e6686bb4c786113280600dbc9eda38e89da17097910148f87a5396067079150b
- apple-domain-verification=LMYARkgulUXwI0OY
- openai-domain-verification=dv-BRmmXlR4cWF1GFAmDqKuiaDe
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