NSToolKit
NSToolKit
free network tools

DNS records for hbr.org

A records

[
  {
    "type": "A",
    "value": "18.164.154.119"
  },
  {
    "type": "A",
    "value": "18.164.154.111"
  },
  {
    "type": "A",
    "value": "18.164.154.54"
  },
  {
    "type": "A",
    "value": "18.164.154.103"
  }
]

MX records

[
  {
    "type": "MX",
    "exchange": "mxb-00044a01.gslb.pphosted.com",
    "priority": 10
  },
  {
    "type": "MX",
    "exchange": "mxa-00044a01.gslb.pphosted.com",
    "priority": 10
  }
]

NS records

[
  {
    "type": "NS",
    "value": "ns-1175.awsdns-18.org"
  },
  {
    "type": "NS",
    "value": "ns-469.awsdns-58.com"
  },
  {
    "type": "NS",
    "value": "ns-604.awsdns-11.net"
  },
  {
    "type": "NS",
    "value": "ns-1877.awsdns-42.co.uk"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "docusign=59df337d-04fe-422f-bd8e-438fc3e80d21"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=P1JGD_hnkAqlxSPmsFW_M2nifpmJC2iBjnfmKi1uJCc"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "_1nl5kysnqxswpmo75e1u1fdcbs0fptr"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "facebook-domain-verification=hvrm85rd5hvr18o50vzpd1lprkjg76"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "Wo71J1PNbWKkAikjb4WeqxCjBcNQwf6hcll0LJM6s9peRMF1ImcaCENQfddffLROaJY6wZHW2jrUsDNXC38vjg=="
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=0fyEgLpijqbt_OMG0ncBIK4G153eKqHF7UeGfTZgZk0"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 ip4:167.89.5.215 include:hbsp.harvard.edu include:amazonses.com include:u12602457.wl208.sendgrid.net include:aspmx.sailthru.com include:_spf.bigcommerce.com ~all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "knowbe4-site-verification=f00a4d6e618b4a00b6f39e0b4c9e093f"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "atlassian-domain-verification=5VnB9cXf8cZ+rqMksjlq1KyEzUSjGsBJ5irmtvOZtpwtq6AsKSs+jGHcKUhotODA"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "smartsheet-site-validation=76f6Fdn8EnnOgbwX-KcCnJ5Nj66wRUeo"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "ciscocidomainverification=3a5e2e428cc891b6aef0b7598537338dd5c2bf8fe96326d58d87f62324dd9733"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=o-E502ZnlfSSAM2JRb0RUfIxROmYDcYVOZnzlVRknS0"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "lyncdiscover = seh3q1rpvadu98fpk213q7htq2"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "sip=m699vbpan7kdoitobogsq38e1k"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "webexdomainverification.4C675B8B1892B136E053AB06FC0A3F65=7b2ac320-8920-4cf1-826d-975f96f199cb"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=ikLo_eYH7jY56yB4qtVoDTxY9WUWl7NkUEsM-UB6DT0"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "openai-domain-verification=dv-yzIW4FvevpXrgKYrQ9Ndlm4V"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "extensis-domain-verification=3decd987-0352-469b-8111-a273b429588a"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "onetrust-domain-verification=0df7d79642a64b338bb91818045b158d"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "MS=ms51679339"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "ns-1175.awsdns-18.org",
    "hostmaster": "hostmaster.harvardbusiness.org",
    "serial": 1,
    "refresh": 7200,
    "retry": 900,
    "expire": 1209600,
    "minttl": 86400
  }
]

CAA records

[
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "awstrust.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "amazonaws.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "letsencrypt.org"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "iodef",
    "value": "mailto:[email protected]"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "amazontrust.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "amazon.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "digicert.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "sectigo.com"
  }
]

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 hbr.org.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup