NSToolKit
NSToolKit
free network tools

DNS records for cdninstagram.com

Findings

  • [ERROR] No A or AAAA records were returned. Visitors will not be able to reach a web service at this domain unless one of those is added.
  • [INFO] An SPF record is published but no MX records are present. This is normal for send-only domains but worth confirming if you expect to receive mail.

NS records

[
  {
    "type": "NS",
    "value": "a.ns.instagram.com"
  },
  {
    "type": "NS",
    "value": "d.ns.instagram.com"
  },
  {
    "type": "NS",
    "value": "c.ns.instagram.com"
  },
  {
    "type": "NS",
    "value": "b.ns.instagram.com"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "v=spf1 a ~all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=SfM6L1bm4x67mLGAtiKDyhW-3VDpOGNaPYSV9jqBP_M"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "a.ns.instagram.com",
    "hostmaster": "dns.facebook.com",
    "serial": 4207849484,
    "refresh": 14400,
    "retry": 1800,
    "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 cdninstagram.com.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup