blacksky.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
blacksky.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-01 01:24:42 UTC ยท โ†บ Refresh

MX Hostnames

  • blacksky.mail.protection.office365.us

MX Priorities

  • blacksky.mail.protection.office365.us: 0

A / AAAA Records

  • 141.193.213.20 (no PTR)
  • 141.193.213.21 (no PTR)

Mail Server IPs

  • 23.103.199.170 โ†ฉ mail-cy1usg020170.inbound.protection.outlook.com
  • 23.103.199.138 โ†ฉ mail-bn3usg020138.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1524.awsdns-62.org it.blacksky.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1524.awsdns-62.org
Admin Email (rname)
it@blacksky.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-129.awsdns-16.com
ns-1524.awsdns-62.org
ns-1648.awsdns-14.co.uk
ns-886.awsdns-46.net

SPF Record

โœ“ Strict (-all)
v=spf1 include:mail.zendesk.com include:spf.protection.office365.us include:amazonses.com include:_spf.atlassian.net -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
โš  No aggregate reports (rua= not set)

DKIM Selectors

โœ“ 1 found
dkim._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

21 records
  • SPFv=spf1 include:mail.zendesk.com include:spf.protection.office365.us include:amazonses.com include:_spf.atlassian.net -all
  • amazon-business-verification=0fe248048569325cdb6ac58b223e944975bec3acd7bb21001323187308dcc0b6
  • atlassian-sending-domain-verification=032bf4ad-a4bb-43e8-804d-befb6b62b12b
  • MS=ms39159278
  • jamf-site-verification=3nBCllgLTfdlnShWhGSMug
  • ZOOM_verify_sgOUxei_SsOI-AqWuXQzhA
  • 2319191
  • duo_sso_verification=6CW0wMut4i5o9qMNMXZvqqUkOXtL8Mat2UIlUm3xBN3PXRnr9HNncFGT2q1dDOzf
  • mongodb-site-verification=FugPutMOhkhutW3UFUpjG3id1mAe7CUf
  • bw=HVRDXViBuG/DzyIBMvkpeSq2YHg5OoQfptPYG3GhkO++
  • docusign=cdfe8893-1d50-4cdb-88ea-c8f52c5b4c2f
  • adobe-idp-site-verification=6c505abc2f66baee2ffdbd6bde139b50182a7ea9c89c4feb2e4d7c332cdc694d
  • traction-guest=bcc31b3c-f854-40b0-80c6-767612dd056a
  • apple-domain-verification=LTo7YnqnAm0qzNT2
  • atlassian-domain-verification=EtHxg9wmJ3IOtCqag3VKPasRVWE/5KVlEMNjqEucRrceH2HajDt2QoOZyDaXuU7K
  • fxntwqMTX3gALyck5d923RBzEL7hpYzc5F8WBPSXi7R6fSgM9WrXuGKXcZbgHwmy6ts+ebztd/r06ywQooPUNg==
  • google-gws-recovery-domain-verification=43674226
  • docusign=dbd51e33-eb51-4603-a313-630528925112
  • neat-pulse-domain-verification-WrNqllM=2bc4805b-53ac-4c41-91af-7f049cd7971c
  • cisco-ci-domain-verification=3f55ecab430b58abfd3137239bd44c201efa124cb1aaa4ba04670de6f814b94e
  • knowbe4-site-verification=2795331bbaa998a916a017471b4f62f4
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