必须是合法有效的IP地址, 可以是IPv4或者是IPv6, 例如127.0.0.1或者2001:DB8:0:0:8:800:200C:417A
基本信息:

城市(city): unknown

省份(region): unknown

国家(country): United States

运营商(isp): unknown

主机名(hostname): unknown

机构(organization): unknown

使用类型(Usage Type): unknown

用户上报:
暂无关于此IP的讨论, 沙发请点上方按钮
相同子网IP讨论:
暂无关于此IP所属子网相关IP的讨论.
WHOIS信息:
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DIG信息:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.91.74
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 61462
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.91.74.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:15:24 CST 2022
;; MSG SIZE  rcvd: 105
HOST信息:
Host 74.91.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
NSLOOKUP信息:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 74.91.21.104.in-addr.arpa: NXDOMAIN
相关IP信息:
最新评论:
IP 类型 评论内容 时间
139.59.212.248 attack
Oct  4 22:32:46 web01.agentur-b-2.de postfix/smtpd[1795543]: warning: unknown[139.59.212.248]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 22:32:46 web01.agentur-b-2.de postfix/smtpd[1795543]: lost connection after AUTH from unknown[139.59.212.248]
Oct  4 22:36:31 web01.agentur-b-2.de postfix/smtpd[1795503]: warning: unknown[139.59.212.248]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 22:36:31 web01.agentur-b-2.de postfix/smtpd[1795503]: lost connection after AUTH from unknown[139.59.212.248]
Oct  4 22:37:20 web01.agentur-b-2.de postfix/smtpd[1795498]: warning: unknown[139.59.212.248]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 22:37:20 web01.agentur-b-2.de postfix/smtpd[1795498]: lost connection after AUTH from unknown[139.59.212.248]
2020-10-05 05:31:26
52.187.105.28 attackspambots
Oct  3 22:12:33 mail.srvfarm.net postfix/smtpd[661688]: NOQUEUE: reject: RCPT from unknown[52.187.105.28]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Oct  3 22:14:21 mail.srvfarm.net postfix/smtpd[660369]: NOQUEUE: reject: RCPT from unknown[52.187.105.28]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Oct  3 22:15:21 mail.srvfarm.net postfix/smtpd[660373]: NOQUEUE: reject: RCPT from unknown[52.187.105.28]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Oct  3 22:16:36 mail.srvfarm.net postfix/smtpd[661689]: NOQUEUE: reject: RCPT from unknown[52.187.105.28]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
2020-10-05 05:36:39
85.13.91.231 attackbots
(smtpauth) Failed SMTP AUTH login from 85.13.91.231 (CZ/Czechia/host-85-13-91-231.lidos.cz): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-10-04 00:41:29 plain authenticator failed for host-85-13-91-231.lidos.cz [85.13.91.231]: 535 Incorrect authentication data (set_id=info@choobchin-co.ir)
2020-10-05 05:35:24
192.241.134.101 attackspam
Invalid user postgresql1 from 192.241.134.101 port 40134
2020-10-05 05:58:58
114.5.194.58 attackspambots
Oct  3 22:03:58 mail.srvfarm.net postfix/smtpd[656144]: warning: unknown[114.5.194.58]: SASL PLAIN authentication failed: 
Oct  3 22:03:58 mail.srvfarm.net postfix/smtpd[656144]: lost connection after AUTH from unknown[114.5.194.58]
Oct  3 22:12:04 mail.srvfarm.net postfix/smtpd[660369]: warning: unknown[114.5.194.58]: SASL PLAIN authentication failed: 
Oct  3 22:12:04 mail.srvfarm.net postfix/smtpd[660372]: warning: unknown[114.5.194.58]: SASL PLAIN authentication failed: 
Oct  3 22:12:04 mail.srvfarm.net postfix/smtpd[660372]: lost connection after AUTH from unknown[114.5.194.58]
2020-10-05 05:32:56
31.170.53.39 attackbots
Oct  3 22:22:47 mail.srvfarm.net postfix/smtpd[661686]: warning: unknown[31.170.53.39]: SASL PLAIN authentication failed: 
Oct  3 22:22:47 mail.srvfarm.net postfix/smtpd[661686]: lost connection after AUTH from unknown[31.170.53.39]
Oct  3 22:23:25 mail.srvfarm.net postfix/smtpd[661694]: warning: unknown[31.170.53.39]: SASL PLAIN authentication failed: 
Oct  3 22:23:25 mail.srvfarm.net postfix/smtpd[661694]: lost connection after AUTH from unknown[31.170.53.39]
Oct  3 22:29:14 mail.srvfarm.net postfix/smtps/smtpd[659334]: warning: unknown[31.170.53.39]: SASL PLAIN authentication failed:
2020-10-05 05:41:05
140.206.168.198 attackbotsspam
 TCP (SYN) 140.206.168.198:56343 -> port 22211, len 44
2020-10-05 05:59:24
177.130.163.38 attackspam
Brute force attempt
2020-10-05 05:29:30
186.216.70.167 attackspambots
Oct  4 17:27:23 mail.srvfarm.net postfix/smtpd[1062030]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed: 
Oct  4 17:27:23 mail.srvfarm.net postfix/smtpd[1062030]: lost connection after AUTH from unknown[186.216.70.167]
Oct  4 17:33:41 mail.srvfarm.net postfix/smtpd[1062033]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed: 
Oct  4 17:33:42 mail.srvfarm.net postfix/smtpd[1062033]: lost connection after AUTH from unknown[186.216.70.167]
Oct  4 17:35:36 mail.srvfarm.net postfix/smtps/smtpd[1062626]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed:
2020-10-05 05:28:06
181.174.128.64 attackbotsspam
Oct  3 22:17:49 mail.srvfarm.net postfix/smtpd[661692]: warning: unknown[181.174.128.64]: SASL PLAIN authentication failed: 
Oct  3 22:17:50 mail.srvfarm.net postfix/smtpd[661692]: lost connection after AUTH from unknown[181.174.128.64]
Oct  3 22:22:54 mail.srvfarm.net postfix/smtps/smtpd[662244]: warning: unknown[181.174.128.64]: SASL PLAIN authentication failed: 
Oct  3 22:22:54 mail.srvfarm.net postfix/smtps/smtpd[662244]: lost connection after AUTH from unknown[181.174.128.64]
Oct  3 22:24:31 mail.srvfarm.net postfix/smtpd[661691]: warning: unknown[181.174.128.64]: SASL PLAIN authentication failed:
2020-10-05 05:28:36
82.177.52.48 attackspam
Oct  3 22:20:25 mail.srvfarm.net postfix/smtps/smtpd[661644]: warning: unknown[82.177.52.48]: SASL PLAIN authentication failed: 
Oct  3 22:20:25 mail.srvfarm.net postfix/smtps/smtpd[661644]: lost connection after AUTH from unknown[82.177.52.48]
Oct  3 22:22:36 mail.srvfarm.net postfix/smtps/smtpd[659335]: warning: unknown[82.177.52.48]: SASL PLAIN authentication failed: 
Oct  3 22:22:36 mail.srvfarm.net postfix/smtps/smtpd[659335]: lost connection after AUTH from unknown[82.177.52.48]
Oct  3 22:26:19 mail.srvfarm.net postfix/smtpd[660372]: warning: unknown[82.177.52.48]: SASL PLAIN authentication failed:
2020-10-05 05:35:41
45.227.110.42 attackbots
Oct  3 22:05:28 mail.srvfarm.net postfix/smtpd[656138]: warning: 42-110-227-45.vitalplaynet.com.br[45.227.110.42]: SASL PLAIN authentication failed: 
Oct  3 22:05:28 mail.srvfarm.net postfix/smtpd[656138]: lost connection after AUTH from 42-110-227-45.vitalplaynet.com.br[45.227.110.42]
Oct  3 22:07:56 mail.srvfarm.net postfix/smtps/smtpd[658711]: lost connection after CONNECT from 42-110-227-45.vitalplaynet.com.br[45.227.110.42]
Oct  3 22:13:32 mail.srvfarm.net postfix/smtps/smtpd[660131]: warning: 42-110-227-45.vitalplaynet.com.br[45.227.110.42]: SASL PLAIN authentication failed: 
Oct  3 22:13:32 mail.srvfarm.net postfix/smtps/smtpd[660131]: lost connection after AUTH from 42-110-227-45.vitalplaynet.com.br[45.227.110.42]
2020-10-05 05:37:40
82.200.174.6 attack
" "
2020-10-05 05:43:29
190.103.220.76 attack
Oct  3 22:05:43 mail.srvfarm.net postfix/smtpd[660369]: warning: unknown[190.103.220.76]: SASL PLAIN authentication failed: 
Oct  3 22:05:44 mail.srvfarm.net postfix/smtpd[660369]: lost connection after AUTH from unknown[190.103.220.76]
Oct  3 22:07:54 mail.srvfarm.net postfix/smtpd[656138]: warning: unknown[190.103.220.76]: SASL PLAIN authentication failed: 
Oct  3 22:07:55 mail.srvfarm.net postfix/smtpd[656138]: lost connection after AUTH from unknown[190.103.220.76]
Oct  3 22:15:22 mail.srvfarm.net postfix/smtps/smtpd[658122]: warning: unknown[190.103.220.76]: SASL PLAIN authentication failed:
2020-10-05 05:27:17
167.71.38.104 attackspambots
detected by Fail2Ban
2020-10-05 05:56:37

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