Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tenable.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:40:13 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 54.159.189.155 ↩ ec2-54-159-189-155.compute-1.amazonaws.com
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1.tenablesecurity.com hostmaster.tenable.com 2026032016 10800 3600 2592000 900
Primary NS (mname)
ns1.tenablesecurity.com
Admin Email (rname)
hostmaster@tenable.com
Serial
2026032016
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
ns2.tenablesecurity.com
ns3.tenablesecurity.com
ns1.tenablesecurity.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=1mz2szrz._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
27 records- google-site-verification=NQ51A02Hvzw45aMVkt8I_WWalY74CryagW8FxtkgMU4
- docusign=039a7a49-7176-4b7b-bb58-d198685b7f4a
- postman-domain-verification=50380d45de6d54a2d098961909fc132a12c58d50e260586e8ba33438a6a8b286513a3d77ed0adae11d59bca4f2e9f60eb2f31f7f9756b3f51841f7354ebe8d30
- docusign=01896691-46f6-42a7-89da-42203b74c164
- docker-verification=70eeb94b-709c-4f1e-b42b-22d8e1fbdeff
- h1-domain-verification=gkC8dff3yPgSuCZRjPs4XJZGowM4HNsc2vGJLqGwuSWkzUKF
- jamf-site-verification=_O2pEWqOpALI7eS_dSV66A
- SPFv=spf1 redirect=1mz2szrz._spf._d.mim.ec
- google-site-verification=r0TQaECa04je1WAQC5Vr8J6haS_diT7XfJAP7b11JGc
- _312osmhq9fb346u2hnchod2a06lkh2c
- openai-domain-verification=dv-oR5hBU6DzZVCfrm2Rb8CcKaI
- happeo-site-verification=fc403e999a8b4f80a5c0c7ea59d9aac1
- google-site-verification=7YJqFLUdqsi0wFltczJEGHRvk28370P3QUYeRb2lH80
- MS=ms70799374
- 2295029
- mongodb-site-verification=UuqqFhlLa2RRB9OenLCtShRnVG1oU1a9
- loaderio=304cb40b43c10147ec18df636e5b1f14
- mongodb-site-verification=6cytGCbf6nHMLIrkAt0NzzCGUruLwGpq
- vmware-cloud-verification-106effbe-74cc-4aaa-a87b-418fa8a1311a
- smartsheet-site-validation=aE-2DN7VhGhwmzQX6rYdQKbSYLQrs2OB
- adobe-idp-site-verification=dd57aac6628a70f8726e76946e94476a706a89bb5b527d7748641745d7680b08
- atlassian-sending-domain-verification=b64f93bc-c961-439a-b5ea-0c7fa98e4362
- atlassian-domain-verification=tfLnjYErcFyBHEAn5HHFsyHmRHOk8jKA8MsvuU5tmk4ksTNEFXoTF89d4jxWhYYN
- apple-domain-verification=clcd7AntcH2Z4VX1
- MS=ms17590469
- google-site-verification=cAaJwNBUyRkwsXhHM9ccBNCUrbEiyCAycUpS-pLNDb0
- anthropic-domain-verification-ftf1s1=34hnt4QOYoo0eyF95YmmYg9kY
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