Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rambus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 03:06:22 UTC · ↺ Refresh
MX Hostnames
- rambus-com.mail.protection.outlook.com
MX Priorities
- rambus-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
udns1.ultradns.net nsadmin.rambus.com 2013104239 3600 600 3600000 86400
Primary NS (mname)
udns1.ultradns.net
Admin Email (rname)
nsadmin@rambus.com
Serial
2013104239
Refresh
3600s
Retry
600s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
udns2.ultradns.net
udns1.ultradns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
16 records- docusign=94a8fb0a-284e-4dae-b0ed-567b1fd6fb64
- docusign-jas-9a0f1f2c-ec52-4ad1-90d4-288e4e4a6523
- Foxit-domain-verification=579ebdd6ae12bf6ce144c1d8abedac47
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- pardot803123=41225a0d0d564d5569beae48ebfbc1eb873db60f7a80189a7547043e8062b551
- 1EJBKdI61xVpAD0goscmLZ/CGghi/yKjO26Vd5OEoHwR4aDH91YSN9c8p5c2Ql5D+7RzrsoXA9Rv5hmJfcM9IA==
- cisco-ci-domain-verification=5ac9c4a695b5cf5e9df2e7ac48848aecba729e6caa0a0e97f81e3e2b877289e0
- atlassian-domain-verification=+0+IMzQ7r5DtmkCd9mc2zhEcLiDJC4ajSXp08+p6Hii7tUvJSJ1J7v5KiyyBDgUU
- atlassian-domain-verification=z/x6UcvTI2L7eRdCYzLaFWACr3n1HJj4Oo6CoknaU2wpIVvM/KmJXzf3GCBW4PM3
- MS=ms25520676
- 3ol8lb4qjifjadrc5pd1rrtfvd
- ch4vofrcdggeojutp067nofk37
- tasufean0ovh90uls966boklur
- an2l6dkv5u4io0kcpekfmuc20n
- _oonw19vcuxz9d9w96cc52rwn7rpx373
- apple-domain-verification=4ndOLkYRKv0FuRW4
Full email verification for rambus.com
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