DNS records for slack.com

A records

[
  {
    "type": "A",
    "value": "44.234.235.93"
  },
  {
    "type": "A",
    "value": "52.89.90.67"
  },
  {
    "type": "A",
    "value": "54.70.179.16"
  },
  {
    "type": "A",
    "value": "54.245.50.245"
  },
  {
    "type": "A",
    "value": "35.82.91.193"
  },
  {
    "type": "A",
    "value": "44.237.180.172"
  },
  {
    "type": "A",
    "value": "35.81.85.251"
  },
  {
    "type": "A",
    "value": "54.71.95.193"
  },
  {
    "type": "A",
    "value": "54.188.33.22"
  }
]

MX records

[
  {
    "type": "MX",
    "exchange": "alt1.aspmx.l.google.com",
    "priority": 5
  },
  {
    "type": "MX",
    "exchange": "alt2.aspmx.l.google.com",
    "priority": 5
  },
  {
    "type": "MX",
    "exchange": "aspmx.l.google.com",
    "priority": 1
  },
  {
    "type": "MX",
    "exchange": "aspmx3.googlemail.com",
    "priority": 10
  },
  {
    "type": "MX",
    "exchange": "aspmx2.googlemail.com",
    "priority": 10
  }
]

NS records

[
  {
    "type": "NS",
    "value": "ns-166.awsdns-20.com"
  },
  {
    "type": "NS",
    "value": "ns-606.awsdns-11.net"
  },
  {
    "type": "NS",
    "value": "ns-1493.awsdns-58.org"
  },
  {
    "type": "NS",
    "value": "ns-1901.awsdns-45.co.uk"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "OSSRH-54733"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=QvelFPjIOe3Vavw0q-aAVYaAPKmWCRjmmVVEAjgfjQc"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=v-LLB__IhraaI7ZzuE3jvRFIm2vERPLzWoepAEZJtKQ"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 include:_spf.qualtrics.com include:mail.zendesk.com include:_spfextra.slack.com -all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=2PK67oVPNyEtS1avSlr3PhH5nSiFuticbQv_bT4pM2k"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "_0vidyxobp6x350odqhb4fo7fdxhmtq3"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=efuXt5-oMr2CdNmVi6A9IO29KMKifpseD1qokxjWwcE"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "spycloud-domain-verification=02e4c0be-cf43-44e4-beaf-4f99702ca632"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=kB1KvgpSk9YkHsFmsj1VPI5YmDvfKctPxnplhGjyqtE"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "hubspot-developer-verification=OTE4NzYxYTgtMDUwZi00MzgzLTk2YTUtZDAwNjBlODg1MWM0"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=o2grd1TLmZZ8GrqbhVIFtzO2MRLTtSUpBBIBYfhQVCQ"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=KqX3Ngw0XEjz_0GVx_xwFFlCoO-bskhqU_lxv0Q77mk"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "ns-1493.awsdns-58.org",
    "hostmaster": "awsdns-hostmaster.amazon.com",
    "serial": 1,
    "refresh": 7200,
    "retry": 900,
    "expire": 1209600,
    "minttl": 300
  }
]

CAA records

[
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "digicert.com; account=455b15ed272bed097725c6ea50e89921fc57379c5338a29305c05771df65fff1"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1532134906"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "iodef",
    "value": "mailto:[email protected]"
  }
]

What does this mean?

These records are pulled live from authoritative DNS at request time and re-validated daily. Use them to debug routing, deliverability, and TLS issues for slack.com.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup