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DNS Bad Glue Detected

What you see when your domain has this problem
Bad Glue Detected Details area Ignore

More Information About Dns Bad Glue Detected

We detected bad glue being issued by your name servers. Either required glue was missing or the glue returned contained incorrect IP Addresses.

Glue refers to additional DNS A records that are returned to assist in locating name servers.

Additional Information

The DNS check requests NS records for the requested domain starting from the root servers and continues following referrals as long as the answer returned is not marked as Authoritative. Whenever a name server issues referrals, it can additionally include A records which contain IP Addresses for the hostnames in the referrals. In some cases these records are required, such as when the requested information is contained in the zone needed to resolve the hostnames, and also sometimes optionally to increase DNS performance.

We perform a new lookup from the root for each of these A records and make sure that they contain valid, correct information. If the IP Address given to us as glue is incorrect, we will show you this warning.

Configuration of glue records is covered in RFC 1033

Your Email Deliverability is in Jeopardy!

Blacklisting is a sign that you are not actively managing your email deliverability. Other technologies - SPF, DKIM and DMARC are now just as important to get your email placed in the Inbox of your recipients. If you aren’t managing email deliverability, your message may never be heard.

MxToolbox Delivery Center Features:

  • Insight into your SPF, DKIM and DMARC configuration to ensure your sending email properly
  • DMARC Compliance checks for all of your reported email
  • Adaptive Blacklist Monitoring of all your email senders
  • Recommendations for improving DMARC compliance and DMARC policies
  • Event-based reminders for emergent issues and on-going maintenance

DMARC is a necessity for your business!

  Learn More about Email Delivery

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