opt-tech.com - dns.ninja

`opt-tech.com`

DNSSEC	⚠️ Not signed
A	47.76.45.78^{🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object}
NS	`dns.sharknames.com` ⚠️ Not in zone NS records
		A	192.161.163.150^{🇺🇸 Colocrossing-AS192.161.163.0/24}
NS	`fastdns.sharknames.com` ⚠️ Not in zone NS records
		A	192.227.249.69^{🇺🇸 Colocrossing-AS192.227.248.0/23}
			PTR	`192-227-249-69-host.colocrossing.com`
NS	`ns1.alidns.com`
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.125^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.alidns.com`
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.126^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns3.afternic.com` ⚠️ Not in zone NS records
		A	97.74.98.65^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns3.afternic.com`
NS	`opendns.sharknames.com` ⚠️ Not in zone NS records
		A	107.174.240.70^{🇺🇸 Colocrossing-AS107.174.240.0/22 Proxy for Colocrossing Wowrack Customers}
			PTR	`107-174-240-70-host.colocrossing.com`
NS	`prodns.sharknames.com` ⚠️ Not in zone NS records
		A	172.245.79.147^{🇺🇸 Colocrossing-AS172.245.78.0/23}
			PTR	`172-245-79-147-host.colocrossing.com`
NS	`smartdns.sharknames.com` ⚠️ Not in zone NS records
		A	192.227.209.8^{🇺🇸 Colocrossing-AS192.227.208.0/21}
			PTR	`192-227-209-8-host.colocrossing.com`
TXT	`eeaec24e55c54b11bc07ae6a55b0de4a`
TXT	`1f970a8fdeccd5167a3d8ca664a8927841bf21fd`
TXT	`e6119f335f3fccdbdf639a4f78c675e76af91ed6`
TXT	`4.cn-verify-97921`
TXT	`7WQVw8dCk03L9H9hNh`
TXT	`domainov.aliyun.com`
TXT	`afternic-verification-6VusC7cQNjFLaPUksRVtiy`
TXT	`4aec7b26-b5e9-4807-b84f-52ac7b7037e5`
TXT	`8573a79c532402041c034b4acc49bbc1`

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782761431

Same first word

opt-tech.ru

opt-tech.com

Similar names

DNS History

26 records (9 active, 17 former)

●NSdns.sharknames.com2026-06-03 → 2026-06-29 · 3 obs

○ 2026-05-09 09:44:26
● 2026-06-03 05:02:06
● 2026-06-29 19:53:34

●NSfastdns.sharknames.com2026-06-03 → 2026-06-29 · 3 obs

○ 2026-05-09 09:44:26
● 2026-06-03 05:02:06
● 2026-06-29 19:53:34

●NSns1.alidns.com2026-06-03 → 2026-06-29 · 3 obs

○ 2026-05-09 09:44:26
● 2026-06-03 05:02:06
● 2026-06-29 19:53:34

○NSns1.judns.com2026-02-28 → 2026-03-27 · 5 obs

○ 2017-09-22 21:10:54
● 2026-02-28 20:02:10
● 2026-03-27 09:30:10
○ 2026-05-01 08:35:50
○ 2026-06-29 19:53:34

○NSns1.julydns.com2026-02-28 → 2026-05-09 · 5 obs

○ 2017-09-22 21:10:54
● 2026-02-28 20:02:10
● 2026-05-09 09:44:26
○ 2026-06-03 05:02:06
○ 2026-06-29 19:53:34

○NSns1.onclouddns.com2026-05-01 → 2026-05-09 · 5 obs

○ 2026-03-27 09:30:10
● 2026-05-01 08:35:50
● 2026-05-09 09:44:26
○ 2026-06-03 05:02:06
○ 2026-06-29 19:53:34

●NSns2.alidns.com2026-06-03 → 2026-06-29 · 3 obs

○ 2026-05-09 09:44:26
● 2026-06-03 05:02:06
● 2026-06-29 19:53:34

○NSns2.judns.com2026-02-28 → 2026-03-27 · 5 obs

○ 2017-09-22 21:10:54
● 2026-02-28 20:02:10
● 2026-03-27 09:30:10
○ 2026-05-01 08:35:50
○ 2026-06-29 19:53:34

○NSns2.julydns.com2026-02-28 → 2026-05-09 · 5 obs

○ 2017-09-22 21:10:54
● 2026-02-28 20:02:10
● 2026-05-09 09:44:26
○ 2026-06-03 05:02:06
○ 2026-06-29 19:53:34

○NSns2.onclouddns.com2026-05-01 → 2026-05-09 · 5 obs

○ 2026-03-27 09:30:10
● 2026-05-01 08:35:50
● 2026-05-09 09:44:26
○ 2026-06-03 05:02:06
○ 2026-06-29 19:53:34

●NSns3.afternic.com2026-06-03 → 2026-06-29 · 3 obs

○ 2026-05-09 09:44:26
● 2026-06-03 05:02:06
● 2026-06-29 19:53:34

○NSns37.domaincontrol.com2015-08-17 → 2017-09-22 · 5 obs

○ 2008-03-08 10:45:20
● 2015-08-17 20:27:04
● 2017-09-22 21:10:54
○ 2026-02-28 20:02:10
○ 2026-06-29 19:53:34

○NSns38.domaincontrol.com2015-08-17 → 2017-09-22 · 5 obs

○ 2008-03-08 10:45:20
● 2015-08-17 20:27:04
● 2017-09-22 21:10:54
○ 2026-02-28 20:02:10
○ 2026-06-29 19:53:34

○NSns4.afternic.com2026-06-18 → 2026-06-18 · 3 obs

○ 2026-06-03 05:02:06
● 2026-06-18 00:33:44
○ 2026-06-29 19:53:34

○NSns51.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 10:45:20
○ 2015-08-17 20:27:04
○ 2026-06-29 19:53:34

○NSns52.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 10:45:20
○ 2015-08-17 20:27:04
○ 2026-06-29 19:53:34

●NSopendns.sharknames.com2026-06-03 → 2026-06-29 · 3 obs

○ 2026-05-09 09:44:26
● 2026-06-03 05:02:06
● 2026-06-29 19:53:34

●NSprodns.sharknames.com2026-06-03 → 2026-06-29 · 3 obs

○ 2026-05-09 09:44:26
● 2026-06-03 05:02:06
● 2026-06-29 19:53:34

●NSsmartdns.sharknames.com2026-06-03 → 2026-06-29 · 3 obs

○ 2026-05-09 09:44:26
● 2026-06-03 05:02:06
● 2026-06-29 19:53:34

○MXmailstore1.secureserver.net2008-03-08 → 2017-09-22 · 4 obs

● 2008-03-08 10:45:20
● 2017-09-22 21:10:54
○ 2026-02-28 20:02:10
○ 2026-06-29 19:53:34

○MXsmtp.secureserver.net2008-03-08 → 2017-09-22 · 4 obs

● 2008-03-08 10:45:20
● 2017-09-22 21:10:54
○ 2026-02-28 20:02:10
○ 2026-06-29 19:53:34

○A184.168.27.482015-08-17 → 2017-09-22 · 5 obs

○ 2008-03-08 10:45:20
● 2015-08-17 20:27:04
● 2017-09-22 21:10:54
○ 2026-02-28 20:02:10
○ 2026-06-29 19:53:34

○A208.109.181.462008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 10:45:20
○ 2015-08-17 20:27:04
○ 2026-06-29 19:53:34

○A45.194.211.1342026-02-28 → 2026-03-27 · 5 obs

○ 2017-09-22 21:10:54
● 2026-02-28 20:02:10
● 2026-03-27 09:30:10
○ 2026-05-01 08:35:50
○ 2026-06-29 19:53:34

●A47.76.45.782026-06-03 → 2026-06-29 · 4 obs

○ 2026-05-01 08:35:50
● 2026-06-03 05:02:06
○ 2026-06-18 00:33:44
● 2026-06-29 19:53:34

○CNAMEparking.sharknames.com2026-06-03 → 2026-06-03 · 3 obs

● 2026-06-03 05:02:06
○ 2026-06-18 00:33:44
○ 2026-06-29 19:53:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
opt-tech.com	ns3.afternic.com, ns1.alidns.com, ns2.alidns.com, dns.sharknames.com...	24 records

✅ Authoritative Response

Server:107.174.240.70

NS records: ns3.afternic.com, ns1.alidns.com, ns2.alidns.com, dns.sharknames.com, prodns.sharknames.com, fastdns.sharknames.com, opendns.sharknames.com, smartdns.sharknames.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opt-tech.com (unsigned zone)

⏱️ Timing

Total: 452ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.76.45.78`
MX	1	`. (pri: 0)`
TXT	9	`1f970a8fdeccd5167a3d8ca664a8927841bf21fd, 8573a79c532402041c034b4acc49bbc1...`

📌 Glue Records Collected

Total: 24

Out-of-bailiwick: 24 (ns3.afternic.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

IP Addresses

opt-tech.com resolves to one IP address: 47.76.45.78.

dapp-ai.com, www.landassurance.com, fm-ai.com and two other host names share IP numbers with opt-tech.com.

Name Servers

DNS for opt-tech.com is handled by 8 name servers: ns3.afternic.com, ns1.alidns.com, ns2.alidns.com and 5 others.

opt-tech.com partially shares its NS delegation with several other domains, including handijack.com.cn, autorestorers.com, eugenyrules.com and two others.

In DNS configurations, these name servers often share authority with dns.sharknames.com, fastdns.sharknames.com, opendns.sharknames.com and 7 other name servers.

Hostnames that resolve to 9 IP addresses:

ns1.alidns.com has IP addresses 39.96.153.45, 39.96.153.55 and 47.118.199.205, plus 6 other.

ns2.alidns.com has IP addresses 39.96.153.46, 39.96.153.56 and 47.118.199.206, plus 6 other.

Hosts with just one IP address:

ns3.afternic.com directs to 97.74.98.65.

dns.sharknames.com directs to 192.161.163.150.

fastdns.sharknames.com directs to 192.227.249.69.

opendns.sharknames.com directs to 107.174.240.70.

prodns.sharknames.com directs to 172.245.79.147.

smartdns.sharknames.com directs to 192.227.209.8.