Tracing to csdn.net[a]
192.54.112.30 (192.54.112.30) IP HEADER
- Destination address: 192.54.112.30
DNS HEADER (send)
- Identifier: 0x5413
- Flags: 0x00 (Q )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 0
- Number authority RR: 0
- Number additional RR: 0
QUESTIONS (send)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
DNS HEADER (recv)
- Identifier: 0x5413
- Flags: 0x8000 (R )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 0
- Number authority RR: 2
- Number additional RR: 6
QUESTIONS (recv)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 172800 (2d)
- Resource length: 6
- Resource data: (3)ns2(5)dnsv2(3)com
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 172800 (2d)
- Resource length: 15
- Resource data: (3)ns1(5)dnsv2(3)com
ADDITIONAL RR
- Domainname: (3)ns2(5)dnsv2(3)com
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 172800 (2d)
- Resource length: 4
- Resource data: 180.153.162.151
ADDITIONAL RR
- Domainname: (3)ns2(5)dnsv2(3)com
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 172800 (2d)
- Resource length: 4
- Resource data: 119.167.195.7
ADDITIONAL RR
- Domainname: (3)ns2(5)dnsv2(3)com
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 172800 (2d)
- Resource length: 4
- Resource data: 112.90.143.34
ADDITIONAL RR
- Domainname: (3)ns1(5)dnsv2(3)com
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 172800 (2d)
- Resource length: 4
- Resource data: 60.28.1.29
ADDITIONAL RR
- Domainname: (3)ns1(5)dnsv2(3)com
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 172800 (2d)
- Resource length: 4
- Resource data: 183.60.59.230
ADDITIONAL RR
- Domainname: (3)ns1(5)dnsv2(3)com
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 172800 (2d)
- Resource length: 4
- Resource data: 122.225.217.193
ns2.dnsv2.com [csdn.net] (180.153.162.151) IP HEADER
- Destination address: 180.153.162.151
DNS HEADER (send)
- Identifier: 0x0765
- Flags: 0x00 (Q )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 0
- Number authority RR: 0
- Number additional RR: 0
QUESTIONS (send)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
DNS HEADER (recv)
- Identifier: 0x0765
- Flags: 0x8400 (R AA )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 1
- Number authority RR: 2
- Number additional RR: 0
QUESTIONS (recv)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
ANSWER RR
- Domainname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 4
- Resource data: 117.79.157.214
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns2(5)dnsv2(3)com
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns1(5)dnsv2(3)com
Got authoritative answer
ns2.dnsv2.com [csdn.net] (119.167.195.7) IP HEADER
- Destination address: 119.167.195.7
DNS HEADER (send)
- Identifier: 0x0F35
- Flags: 0x00 (Q )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 0
- Number authority RR: 0
- Number additional RR: 0
QUESTIONS (send)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
DNS HEADER (recv)
- Identifier: 0x0F35
- Flags: 0x8400 (R AA )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 1
- Number authority RR: 2
- Number additional RR: 0
QUESTIONS (recv)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
ANSWER RR
- Domainname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 4
- Resource data: 117.79.157.214
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns2(5)dnsv2(3)com
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns1(5)dnsv2(3)com
Got authoritative answer
ns2.dnsv2.com [csdn.net] (112.90.143.34) IP HEADER
- Destination address: 112.90.143.34
DNS HEADER (send)
- Identifier: 0x0E12
- Flags: 0x00 (Q )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 0
- Number authority RR: 0
- Number additional RR: 0
QUESTIONS (send)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
DNS HEADER (recv)
- Identifier: 0x0E12
- Flags: 0x8400 (R AA )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 1
- Number authority RR: 2
- Number additional RR: 0
QUESTIONS (recv)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
ANSWER RR
- Domainname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 4
- Resource data: 117.79.157.214
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns2(5)dnsv2(3)com
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns1(5)dnsv2(3)com
Got authoritative answer
ns1.dnsv2.com [csdn.net] (60.28.1.29) IP HEADER
- Destination address: 60.28.1.29
DNS HEADER (send)
- Identifier: 0x3620
- Flags: 0x00 (Q )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 0
- Number authority RR: 0
- Number additional RR: 0
QUESTIONS (send)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
DNS HEADER (recv)
- Identifier: 0x3620
- Flags: 0x8400 (R AA )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 1
- Number authority RR: 2
- Number additional RR: 0
QUESTIONS (recv)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
ANSWER RR
- Domainname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 4
- Resource data: 117.79.157.214
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns2(5)dnsv2(3)com
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns1(5)dnsv2(3)com
Got authoritative answer
ns1.dnsv2.com [csdn.net] (183.60.59.230) IP HEADER
- Destination address: 183.60.59.230
DNS HEADER (send)
- Identifier: 0x1913
- Flags: 0x00 (Q )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 0
- Number authority RR: 0
- Number additional RR: 0
QUESTIONS (send)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
DNS HEADER (recv)
- Identifier: 0x1913
- Flags: 0x8400 (R AA )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 1
- Number authority RR: 2
- Number additional RR: 0
QUESTIONS (recv)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
ANSWER RR
- Domainname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 4
- Resource data: 117.79.157.214
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns2(5)dnsv2(3)com
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns1(5)dnsv2(3)com
Got authoritative answer
ns1.dnsv2.com [csdn.net] (122.225.217.193) IP HEADER
- Destination address: 122.225.217.193
DNS HEADER (send)
- Identifier: 0x0B5F
- Flags: 0x00 (Q )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 0
- Number authority RR: 0
- Number additional RR: 0
QUESTIONS (send)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
DNS HEADER (recv)
- Identifier: 0x0B5F
- Flags: 0x8400 (R AA )
- Opcode: 0 (Standard query)
- Return code: 0 (No error)
- Number questions: 1
- Number answer RR: 1
- Number authority RR: 2
- Number additional RR: 0
QUESTIONS (recv)
- Queryname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
ANSWER RR
- Domainname: (4)csdn(3)net
- Type: 1 (A)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 4
- Resource data: 117.79.157.214
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns2(5)dnsv2(3)com
AUTHORITY RR
- Domainname: (4)csdn(3)net
- Type: 2 (NS)
- Class: 1 (Internet)
- TTL: 600 (10m)
- Resource length: 15
- Resource data: (3)ns1(5)dnsv2(3)com
Got authoritative answer
ns1.dnsv2.com (122.225.217.193) csdn.net -> 117.79.157.214
ns1.dnsv2.com (183.60.59.230) csdn.net -> 117.79.157.214
ns1.dnsv2.com (60.28.1.29) csdn.net -> 117.79.157.214
ns2.dnsv2.com (112.90.143.34) csdn.net -> 117.79.157.214
ns2.dnsv2.com (119.167.195.7) csdn.net -> 117.79.157.214
ns2.dnsv2.com (180.153.162.151) csdn.net -> 117.79.157.214