DFL2560-MIB :: dfl2560SmtpAlgDnsBlFailChecks

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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dfl2560SmtpAlgDnsBlFailChecks

Module: DFL2560-MIB

OID (symbolic): DFL2560-MIB::dfl2560SmtpAlgDnsBlFailChecks

OID (numeric): 1.3.6.1.4.1.171.20.2.4.1.2.9.5.2.1.5

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

Description: Total failed checks for the SMTP ALG DNS black list of corresponding index

What is dfl2560SmtpAlgDnsBlFailChecks?

Total number of failed lookup attempts against this DNS blacklist, e.g. due to the blacklist service being unreachable.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.20.2.4.1.2.9.5.2.1.5
snmpwalk -v2c -c public <target> DFL2560-MIB::dfl2560SmtpAlgDnsBlFailChecks

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.171.20.2.4.1.2.9.5.2.1.5.1
snmpget -v2c -c public <target> DFL2560-MIB::dfl2560SmtpAlgDnsBlFailChecks.1

Start monitoring D-Link DFL-2560 UTM firewall appliance with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DFL2560-MIB::dfl2560SmtpAlgDnsBlFailChecks OID value, configure state conditions and alerts, and monitor any D-Link DFL-2560 UTM firewall appliance from a single console.

OID Breakdown

Upper-level ancestors (9 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.171d_linkDE1500-MIB
1.3.6.1.4.1.171.20netdefendMgmtDFL1660-MIB
1.3.6.1.4.1.171.20.2utmFirewallDFL1660-MIB
Numeric OIDNameModule
1.3.6.1.4.1.171.20.2.4dfl2560DFL2560-MIB
1.3.6.1.4.1.171.20.2.4.1dfl2560OSDFL2560-MIB
1.3.6.1.4.1.171.20.2.4.1.2dfl2560OSStatsDFL2560-MIB
1.3.6.1.4.1.171.20.2.4.1.2.9dfl2560ALGDFL2560-MIB
1.3.6.1.4.1.171.20.2.4.1.2.9.5dfl2560SmtpAlgDFL2560-MIB
1.3.6.1.4.1.171.20.2.4.1.2.9.5.2dfl2560SmtpAlgDnsBlTableDFL2560-MIB
1.3.6.1.4.1.171.20.2.4.1.2.9.5.2.1dfl2560SmtpAlgDnsBlEntryDFL2560-MIB
1.3.6.1.4.1.171.20.2.4.1.2.9.5.2.1.5dfl2560SmtpAlgDnsBlFailChecksDFL2560-MIB