DFL1660-MIB :: dfl1660SmtpAlgDnsBlFailChecks

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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dfl1660SmtpAlgDnsBlFailChecks

Module: DFL1660-MIB

OID (symbolic): DFL1660-MIB::dfl1660SmtpAlgDnsBlFailChecks

OID (numeric): 1.3.6.1.4.1.171.20.2.3.1.2.9.5.2.1.5

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 dfl1660SmtpAlgDnsBlFailChecks?

A read-only Gauge32 counting total failed lookup attempts against this DNS blacklist, e.g. from DNS resolution problems.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.20.2.3.1.2.9.5.2.1.5
snmpwalk -v2c -c public <target> DFL1660-MIB::dfl1660SmtpAlgDnsBlFailChecks

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.171.20.2.3.1.2.9.5.2.1.5.1
snmpget -v2c -c public <target> DFL1660-MIB::dfl1660SmtpAlgDnsBlFailChecks.1

Start monitoring D-Link DFL-1660 firewall/UTM security appliance with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DFL1660-MIB::dfl1660SmtpAlgDnsBlFailChecks OID value, configure state conditions and alerts, and monitor any D-Link DFL-1660 firewall/UTM security appliance from a single console.

OID Breakdown

Upper-level ancestors (7 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
Numeric OIDNameModule
1.3.6.1.4.1.171.20netdefendMgmtDFL1660-MIB
1.3.6.1.4.1.171.20.2utmFirewallDFL1660-MIB
1.3.6.1.4.1.171.20.2.3dfl1660DFL1660-MIB
1.3.6.1.4.1.171.20.2.3.1dfl1660OSDFL1660-MIB
1.3.6.1.4.1.171.20.2.3.1.2dfl1660OSStatsDFL1660-MIB
1.3.6.1.4.1.171.20.2.3.1.2.9dfl1660ALGDFL1660-MIB
1.3.6.1.4.1.171.20.2.3.1.2.9.5dfl1660SmtpAlgDFL1660-MIB
1.3.6.1.4.1.171.20.2.3.1.2.9.5.2dfl1660SmtpAlgDnsBlTableDFL1660-MIB
1.3.6.1.4.1.171.20.2.3.1.2.9.5.2.1dfl1660SmtpAlgDnsBlEntryDFL1660-MIB
1.3.6.1.4.1.171.20.2.3.1.2.9.5.2.1.5dfl1660SmtpAlgDnsBlFailChecksDFL1660-MIB