DNS resource record classes
Summarize
Summary of DNS Resource Record Classes
A DNS resource record (RR) is an entry in the DNS database that provides critical information about a domain name, such as IP addresses and mail server details. These records are vital for the functioning of the DNS infrastructure on the internet. ServiceNow customers can manage DNS resource records effectively within the Configuration Management Database (CMDB).
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Key Features
- Supported DNS Record Types:
- A Record: Contains the IPv4 address of a domain.
- AAAA Record: Contains the IPv6 address of a domain.
- CNAME Record: Forwards one domain or subdomain to another domain.
- MX Record: Directs mail to an email server.
- Integration with CMDB: Enables actions such as capturing domain registrations, auto-populating data from registrars, and connecting data to IPAM records and CDN providers.
- Identification Rules: Each record type has specific identification rules that ensure unique tracking within the CMDB.
Key Outcomes
By utilizing DNS resource records in ServiceNow, customers can efficiently manage their domain information, automate workflows for lifecycle tracking, and ensure accurate DNS data integration, which enhances overall operational efficiency and reliability in domain management.
A DNS record, also known as a DNS resource record (RR), is an entry in the domain name system (DNS) database that provides information about a specific aspect of a domain name.
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DNS zone resource records
Each DNS record contains data associated with a domain name, such as IP addresses, mail server addresses, or other resources. Each type of record serves a specific purpose, such as mapping domain names to IP addresses (A records), identifying mail servers for a domain (MX records), and providing aliases for domain names (CNAME records), among others. DNS resource records are essential for the proper functioning of the DNS infrastructure on the internet.
Supported DNS resource record types
- A Record: Holds the IP address of a domain.
- AAAA Record: Contains the IPv6 address of a domain.
- CNAME Record: Forwards one domain or subdomain to another domain. Does not provide an IP address.
- MX Record: Directs mail to an email server.
- Capture domain name registration in the CMDB and create workflow to request, approve, and track life cycle.
- Auto-populate the data from integration to the registrar.
- Connect the data to an IPAM record.
- Connect the data to the certificate on the DNS.
- Connect the data to the CDN provider.
Table: cmdb_ci_dns_resource_record
DNS record detail from Domain Name Server (DNS) for a WWW domain.
| Column | Description | Details |
|---|---|---|
|
DNS Service Provider [service_provider] Replaces the deprecated column: DNS Service Provider [name] |
Defines which DNS service provider supplied this value, examples like Cloudflare,Google DNS, OpenDNS, Local DNS,Private DNS,empty, and so on. |
Identification Rule (name+service_provider) allow null String (255) |
| Time to Live [ttl] | Time, in seconds, that a DNS record will be cached by an outside DNS server or resolver. | integer |
| Record Class [record_class] | Class of DNS record. |
|
Table: cmdb_ci_dns_zone_a_record
A records hold only IPv4 addresses.
| Column | Description | Details |
|---|---|---|
| A IP Address [ip_address] | IPv4 address | ip_addr Identification Rule (name+service_provider+ip_address) allow null |
Table: cmdb_ci_dns_zone_aaaa_record
AAAA records hold only IPv6 addresses.
| Column | Description | Details |
|---|---|---|
| AAAA IP Address [ip_address] | IPv6 address | ip_addr Identification Rule (name+service_provider+ip_address) allow null |
Table: cmdb_ci_dns_zone_cname_record
A canonical name (CNAME) record points from an alias domain to a canonical domain.
| Column | Description | Details |
|---|---|---|
| Canonical Name [cname] | Fully qualified domain name / Canonical Name. | String (255) Identification Rule (name+service_provider+cname) allow null |
Table: cmdb_ci_dns_zone_alias_record
An ALIAS record points domain name to a hostname instead of an IP address.
| Column | Description | Details |
|---|---|---|
| Alias Name [alias_name] | Alias name of the DNS record. | String (255) Identification Rule (name+service_provider+alias_name) allow null |
Table: cmdb_ci_dns_domain_info
Domain Name enables you to trace ownership and tenure of domain name details using DNS lookup tools like whois.
| Column | Description | Details |
|---|---|---|
| Domain Name [domain_name] | WWW Domain Name value from the DNS lookup tool. | String (255) Identification Rule (Name) |
| Registry Domain ID [registry_domain_id] | Registry Domain ID value from the DNS lookup tool. | String (255) |
| Registrar [registrar] | Registrar value from the DNS lookup tool. | String (255) |
| Domain Creation Date [domain_creation_date] | Creation Date of the domain from the DNS lookup tool. | glide_date_time |
| Domain Updated Date [domain_updated_date] | Updated Date of the domain from the DNS lookup tool. | glide_date_time |
| Registrar Registration Expiration Date [registrar_registration_expiration_date] | Registrar Registration Expiration Date value from the DNS lookup tool. | glide_date_time |