NSToolKit
NSToolKit
free network tools

DNS records for ntp.org

A records

[
  {
    "type": "A",
    "value": "204.93.207.22"
  },
  {
    "type": "A",
    "value": "209.148.110.246"
  }
]

AAAA records

[
  {
    "type": "AAAA",
    "value": "2001:1838:2000:41b::80:0"
  }
]

MX records

[
  {
    "type": "MX",
    "exchange": "mx0.chi1.ntfo.org",
    "priority": 10
  }
]

NS records

[
  {
    "type": "NS",
    "value": "dns1.udel.edu"
  },
  {
    "type": "NS",
    "value": "ns1.everett.org"
  },
  {
    "type": "NS",
    "value": "anyns.pch.net"
  },
  {
    "type": "NS",
    "value": "dns2.udel.edu"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "_globalsign-domain-verification=O60kZMoa5mBPIKKqd9FSRXcGUhU6s3rzZHzWNLAlL7"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 a mx ip4:204.93.207.0/27 ip4:66.220.13.234 ip4:66.220.13.237 ip6:2001:470:1:205::234 ip6:2001:470:1:205::/64 ~all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "ntp-libera-310"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=1BTIwQr05WxuBXsED2L-cWc-cC7_8NDYKoWMsmAyR3g"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=ISMNEfck75SW97AiPz0acClFpICIejjA6F5ijoHccZM"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "ns1.everett.org",
    "hostmaster": "postmaster.ntp.org",
    "serial": 2026050100,
    "refresh": 3600,
    "retry": 14400,
    "expire": 604800,
    "minttl": 3600
  }
]

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 ntp.org.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup