Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rsystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 18:07:49 UTC · ↺ Refresh
MX Hostnames
- rsystems-com.mail.protection.outlook.com
MX Priorities
- rsystems-com.mail.protection.outlook.com: 0
A / AAAA Records
- 18.172.112.59 ↩ server-18-172-112-59.fra60.r.cloudfront.net
- 18.172.112.46 ↩ server-18-172-112-46.fra60.r.cloudfront.net
- 18.172.112.87 ↩ server-18-172-112-87.fra60.r.cloudfront.net
- 18.172.112.7 ↩ server-18-172-112-7.fra60.r.cloudfront.net
Mail Server IPs
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
pns31.cloudns.net hostmaster.eu.rsystems.com 2026031101 7200 1800 1209600 3600
Primary NS (mname)
pns31.cloudns.net
Admin Email (rname)
hostmaster@eu.rsystems.com
Serial
2026031101
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
pns34.cloudns.net
pns31.cloudns.net
pns32.cloudns.net
pns33.cloudns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:52.17.62.50 ip6:2603:1000::/24 ip4:91.209.5.0/28 ip4:91.209.5.25 ip4:91.209.5.248 mx:rsystems.com include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.emailsignatures365.com include:spf-de.emailsignatures365.com include:_spf.salesforce.com include:infosecmail.net include:spf.zohomail360.eu include:14496640.spf04.hubspotemail.net ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
12 records- _globalsign-domain-verification=HiSYl99GxrpZdUeEn3eebXHyqfSiU_SLNIkoH-q6Kv
- facebook-domain-verification=jqkuztj2kseu81l5vjuz6q7g56gsr5
- google-site-verification=_-xY9FL3fwG9A4g6TyvYEGkknXKIj46D2woRChkmrEo
- ncdVFNgk3pv16aJ7A6bRBFy7cBspDbQemBSUMK0YhC4KpbbzoAK0YqbxMQkWrAzjrfyjTev9XIjm+0DT4Ww4Dg==
- atlassian-domain-verification=qC2mRsp9TFuQ6CA6Dl576y9KHOKKNm29PuRJ9inHmgiVUtneCxXHkBUtlSgSfWJG
- duo_sso_verification=2TK2qWbsix4A4zQmgU4WgvJSFCS7IIl3GrdJL2CkRm0UT4rJaOFFHrHWWLt5h7xn
- google-site-verification=CrX093FTb8IvcpeKJFrPFVrmySStSQIw5gL7Pkqk9I8
- SPFv=spf1 ip4:52.17.62.50 ip6:2603:1000::/24 ip4:91.209.5.0/28 ip4:91.209.5.25 ip4:91.209.5.248 mx:rsystems.com include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.emailsignatures365.com include:spf-de.emailsignatures365.com include:_spf.salesforce.com include:infosecmail.net include:spf.zohomail360.eu include:14496640.spf04.hubspotemail.net ~all
- MS=ms33533474
- Sendinblue-code:7779883277885d4b864a4adbc7db0bb9
- docker-verification=2f86ab42-cbd9-4e55-bd04-0b938fe83d25
- paloaltonetworks-site-verification=0ff1abf03e421a563fd5443819603e0457f58438031789f763bdc8cc5561423a
Full email verification for rsystems.com
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