FAQ Troubleshooting

Please read through this section before contacting us.

IIJ DNS Platform Service

FAQs about the Service Specifications(IIJ DNS Platform Service)

Q. What kind of service is the DNS Platform Service?
Q. What is the difference between the premium plan and basic plan?
Q. Do you have any cache DNS functions?
Q. Can I register domains?
Q. What is QPS?
Q. How do you count QPS?
Q. What will happen if QPS exceeds the limit in the plan?
Q. Do you have any ways to check the number of queries in my own domain?
Q. What is SLA?
Q. Is IPv6 supported?
FAQs about Using the Control Panel

Q. I cannot access the control panel with Internet Explorer.
Q. I cannot access the control panel from a smartphone.
Q. I can check the settings but cannot change them.
Q. Descriptions on the screen are written in English.
FAQs about DPF-API

Q. Do you have any specifications about exclusive control (lock) or order guarantee with respect to update of the same record?
Q. Can I limit the connection sources for using DPF-API?
Q. Am I subject to the restrictions of the settings of "Trusted network" for the IIJ ID Service linked by DPF-API as well as the login policies for IIJ ID users as the token issuance source?
IIJ Managed DNS Service

FAQs about the Service Specifications(IIJ Managed DNS Service)

Q. Can I use domains that I have registered with other companies, with this service?
Q. Is DNSSEC supported?
Q. Can I acquire query logs?
Q. What is a Managed DNS Server?
Q. What is a zone proxy?
Q. What is Anycast?
Q. What software is recommended for building a primary or secondary DNS server?
Q. How can I add subdomains?
FAQs about Zone Editing

Q. How many records can be registered in a zone?
Q. I want to make round-robin settings but cannot register multiple records that have the same name.
Q. When I attempt to set a CNAME that has the same name as the zone name, an error occurs.
Q. Can I write wildcard records?
Q. Although I have updated zones through editing records, there are some records that have not been updated.
Q. Even though I have uploaded the zone file, the file has not been not reflected.
Q. I manage more than one subdomain with this service. Can I register NS records to be delegated in a batch with the parent domain?
Q. Can I ask you to check for errors in the DNS records I have registered?
Q. Is there an upper limit of the number of characters to be registered in Value in a TXT record?
Q. I cannot register a TXT record due to an error saying, "An invalid Value is included."
Q. How can I describe a value consisting of 256 or more characters to register it in Value in a TXT record?
Q. I want to register the email address to be used for checking the right to use domain name with a TXT record.
Q. The relevant zone name is added to Name and Value arbitrarily when I attempt to register a record.
Q. When registering PTR records in reverse zone, how should I describe Name? (IPv4 edition)
Q. When registering PTR records in reverse zone, how should I describe Name? (IPv6 edition)
Q. I cannot register a PTR record due to an error saying, "The record format is invalid."
Q. What is the maximum number of digits of the SOA record serial value?
Q. Is it possible to send emails to RNAME (email address of the zone administrator) of an SOA record?
Q. Why does an error occur when I attempt to add or change records even though there is no problem with the data contents?
Q. When is a check made to see if a record in a zone is in an invalid state?
Q. Are there any ways to add or change a record even if an invalid record exists in the zone?
Q. Why may an invalid record be registered in a zone?
Q. I do not know how to change "Name" and "Type" of an existing DNS record.
FAQs about Sender Domain Authentication

Q. Can I register records for Sender Domain Authentication?
Q. Is there a DNS look-up limit for SPF records?
Q. Is it possible to verify a 2048-bit electronic signature for DKIM records?
Q. Do I need to pay an additional cost for using sender domain authentication?
Q. Can I register a 2048-bit DKIM public key?
Q. Do you have any ways to check if a record for sender domain authentication has been registered correctly?
FAQs about DNSSEC

Q. What is DNSSEC?
Q. What does the comment "DNSSEC Operations" in Zone Application History mean?
Q. Is Zone Update by "DNSSEC Operations" carried out even if the DNSSEC setting is not enabled?
Q. The status of DNSSEC is always "Enabling" and never changes.
Q. When using "Domain Management Service" and "IIJ Managed DNS Service" at the same time, which service should I use to manage the DNSSEC setting?
Q. Does reverse zone support DNSSEC?
Q. Suppose I have contracted for both parent zone and child zone, will DNSSEC for child zones be enabled as I enable DNSSEC for the parent zone?
Q. What will happen if I register incorrect DS records?
Q. What should I do if I have registered incorrect DS records manually?
Q. When I want to cancel this service and contract for a service of another company, will I need to disable DNSSEC before I cancel this service?
Q. What should I do if I have changed the name server without disabling DNSSEC?
Q. How long does it take for the status to change after I execute DNSSEC settings?
Q. The status of DNSSEC is always "Enabling" and never changes to "Enabled."
Q. If the "DNSSEC Status" for DNSSEC Management is enabled, can I judge that DNSSEC validation of the relevant domain is executed properly?
Q. Is DNSSEC validation executed as long as DS records exist in the higher zone even if the "DNSSEC Status" is "Enabled"?
Q. Why does it take so much time to enable or disable DNSSEC?
Q. Can I check the update of DS records before and after I execute KSK Rollover?
Q. Will records of execution of KSK Rollover appear on the control panel?
FAQs about ACME dns-01 challenge

Q. Can I register a record for automatically issuing a certificate by ACME?
Q. Can I automate record registration for dns-01 challenge?
Q. Can I perform dns-01 challenge on another server?
FAQs about other Service Specifications

Q. I get different responses depending on the Managed DNS Server.
Q. I cannot get an expected response from an ANY query.
Q. Why is the serial value of SOA records automatically and continually updated?
Q. Can I delete "dns-a.ij.ad.jp," "dns-b.iij.ad.jp," and "dns-c.iij.ad.jp" from the name servers registered with the higher zone?
Q. Why do Health Check results change according to the presence or absence of the TSIG Key setting?
Q. Are Dynamic DNS and Dynamic Update (RFC2136) supported?
IIJ DNS Traffic Management Service

FAQs about monitoring

Q. Is monitoring only performed on the endpoints used in the rule being applied?
Q. I have trouble differentiating between Live Status and Ready Status.
Q. I have monitoring accesses at intervals shorter than the time set as the monitoring interval.
Q. Please support HTTPS with a shared sorry server.
Q. How much time lag do we have between the detection and the reflection of a monitoring result?