Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbs.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 18:57:00 UTC · ↺ Refresh
MX Hostnames
- mail17.rbs.com
- mail08.rbs.com
- mail18.rbs.com
- mail05.rbs.com
- mail19.rbs.com
- mail07.rbs.com
- mail06.rbs.com
- mail20.rbs.com
MX Priorities
- mail06.rbs.com: 20
- mail08.rbs.com: 20
- mail18.rbs.com: 20
- mail20.rbs.com: 20
- mail05.rbs.com: 10
- mail07.rbs.com: 10
- mail17.rbs.com: 10
- mail19.rbs.com: 10
A / AAAA Records
- 13.107.246.40 (no PTR)
- 13.107.213.40 (no PTR)
- 2620:1ec:46::40 (no PTR)
- 2620:1ec:bdf::40 (no PTR)
Mail Server IPs
- 155.136.80.31 ↩ mail06.rbs.com
- 155.136.80.59 ↩ mail07.rbs.com
- 155.136.80.102 ↩ mail18.rbs.com
- 155.136.80.111 ↩ mail20.rbs.com
- 155.136.80.30 ↩ mail05.rbs.com
SOA Record
Raw SOA
udns1.cscdns.net premiumdns.support.neustar 2019112801 3600 600 604800 3600
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
premiumdns@support.neustar
Serial
2019112801
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
udns1.cscdns.net
udns2.cscdns.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:155.136.80.0/24 ip4:146.121.23.54 ip4:146.121.21.36 ip4:146.121.21.54 ip4:167.89.10.30 ip4:89.167.234.232 ip4:89.167.234.233 ip4:155.136.225.28 ip4:155.136.18.0/24 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- SPFv=spf1 ip4:155.136.80.0/24 ip4:146.121.23.54 ip4:146.121.21.36 ip4:146.121.21.54 ip4:167.89.10.30 ip4:89.167.234.232 ip4:89.167.234.233 ip4:155.136.225.28 ip4:155.136.18.0/24 -all
- MS=ms39233886
- MS=ms50445258
- 4d4e0bb2-4b90-4a23-b7bb-649087ba175c
- adobe-sign-verification=a8c27034c1cd39851b67d5d68276dcd6
- google-site-verification=Eha_uyXPyq3Z0BJdHIVkeDgNneSrKqorxqpjITWAeKg
- google-site-verification=FY2gXlC36FtQtaCd6t31DjiWP3deym6fk3TEtfRHh38
- 16OzK3d9YiKYdv2kZ8kWzszEu2kjVX1qMFpDl9nKhmnuyLtFS+waZ0g/+jK1NIrKW0BH6vtthlYxqAZsOycAvg==
- adobe-idp-site-verification=641792395842e9c7dfd8d65c821ed7a9e09eb29ce1e518d34ca193bdf66fa4ec
- atlassian-domain-verification=flnamO4dwq3z3g3lqA/2XdN9LE4I1BgfZstm/2YLjis1uhLVSkkDPyxeC197djVo
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