linkdoc.com - dns.ninja

`linkdoc.com`

DNSSEC	⚠️ Not signed
A	182.92.244.212^{🇨🇳 Alibaba-Cloud182.92.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`vip3.alidns.com` ⭐
		A	2408:4009:500::3^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.3^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.5^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.210^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.136^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.26^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.10^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`vip4.alidns.com`
		A	2408:4009:500::4^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.4^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.6^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.211^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.137^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.27^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.11^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
MX	`antispam.linkdoc.com` ⭐
		A	121.52.217.80^{🇨🇳 CHINANET-BJ-METRO121.52.208.0/20 CMI (Customer Route)}
			PTR	`antispam.linkdoc.com`
TXT	`v=spf1 mx ip4:118.26.168.236 ip4:117.131.199.218 ip4:121.52.217.80 -all`
TXT	`118.26.168.236`
TXT	`MS=89E218326B58CFBF158AE75470F38DABB31FD961`
SOA	`vip3.alidns.com`hostmaster@hichina.com 2026-06-05 #11

`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=1783188821

Subdomains

mail.linkdoc.com

antispam.linkdoc.com

lb.linkdoc.com

Same first word

linkdoc.com

Similar names

doclink.org

dolnick.net

dinckol.com

lindock.ca

doclink.ru

coldink.com

oldnick.fr

cdolink.com

ocklind.se

doclink.com.br

codlink.com

oldnick.com

clikndo.com

doclink.ca

kilndoc.com

doclink.com.cn

inkcold.com

doclink.co

doclink.co.za

colinkd.com

doclink.nl

linkdco.com

doclink.me

lockdin.com

oldnick.kiev.ua

docklin.com

doclink.com.au

lockind.com

cklindo.com

doclink.com

oldnick.de

doclink.info

doclink.eu

kindcol.com

doclink.cn

doclink.de

doclink.ir

dolnick.com

ocklind.com

DNS History

14 records (4 active, 10 former)

○NSdns1.iidns.com2015-06-19 → 2017-02-03 · 5 obs

○ 2008-03-16 15:25:02
● 2015-06-19 15:53:42
● 2017-02-03 19:12:26
○ 2026-02-27 08:03:32
○ 2026-07-04 18:39:34

○NSdns15.hichina.com2026-02-27 → 2026-05-08 · 5 obs

○ 2017-02-03 19:12:26
● 2026-02-27 08:03:32
● 2026-05-08 11:41:28
○ 2026-06-27 06:55:34
○ 2026-07-04 18:39:34

○NSdns16.hichina.com2026-02-27 → 2026-05-08 · 5 obs

○ 2017-02-03 19:12:26
● 2026-02-27 08:03:32
● 2026-05-08 11:41:28
○ 2026-06-27 06:55:34
○ 2026-07-04 18:39:34

○NSdns2.iidns.com2015-06-19 → 2016-04-19 · 5 obs

○ 2008-03-16 15:25:02
● 2015-06-19 15:53:42
● 2016-04-19 18:13:28
○ 2026-02-27 08:03:32
○ 2026-07-04 18:39:34

○NSdns3.iidns.com2015-06-19 → 2016-04-19 · 5 obs

○ 2008-03-16 15:25:02
● 2015-06-19 15:53:42
● 2016-04-19 18:13:28
○ 2026-02-27 08:03:32
○ 2026-07-04 18:39:34

○NSdns4.iidns.com2015-06-19 → 2016-04-19 · 5 obs

○ 2008-03-16 15:25:02
● 2015-06-19 15:53:42
● 2016-04-19 18:13:28
○ 2026-02-27 08:03:32
○ 2026-07-04 18:39:34

○NSdns5.iidns.com2015-06-19 → 2016-04-19 · 5 obs

○ 2008-03-16 15:25:02
● 2015-06-19 15:53:42
● 2016-04-19 18:13:28
○ 2026-02-27 08:03:32
○ 2026-07-04 18:39:34

○NSdns6.iidns.com2015-06-19 → 2016-04-19 · 5 obs

○ 2008-03-16 15:25:02
● 2015-06-19 15:53:42
● 2016-04-19 18:13:28
○ 2026-02-27 08:03:32
○ 2026-07-04 18:39:34

●NSvip3.alidns.com2026-06-27 → 2026-07-04 · 3 obs

○ 2026-05-08 11:41:28
● 2026-06-27 06:55:34
● 2026-07-04 18:39:34

●NSvip4.alidns.com2026-06-27 → 2026-07-04 · 3 obs

○ 2026-05-08 11:41:28
● 2026-06-27 06:55:34
● 2026-07-04 18:39:34

●MXantispam.linkdoc.com2026-02-27 → 2026-07-04 · 3 obs

○ 2017-02-03 19:12:26
● 2026-02-27 08:03:32
● 2026-07-04 18:39:34

○MXmxbiz1.qq.com2015-06-19 → 2017-02-03 · 5 obs

○ 2008-03-16 15:25:02
● 2015-06-19 15:53:42
● 2017-02-03 19:12:26
○ 2026-02-27 08:03:32
○ 2026-07-04 18:39:34

○MXmxbiz2.qq.com2015-06-19 → 2017-02-03 · 5 obs

○ 2008-03-16 15:25:02
● 2015-06-19 15:53:42
● 2017-02-03 19:12:26
○ 2026-02-27 08:03:32
○ 2026-07-04 18:39:34

●A182.92.244.2122016-04-19 → 2026-07-04 · 2 obs

● 2016-04-19 18:13:28
● 2026-07-04 18:39:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linkdoc.com	vip3.alidns.com, vip4.alidns.com	22 records

✅ Authoritative Response

Server:121.40.6.163

NS records: vip3.alidns.com, vip4.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linkdoc.com (unsigned zone)

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`182.92.244.212`
NS	2	`vip3.alidns.com, vip4.alidns.com`
MX	1	`antispam.linkdoc.com (pri: 5)`
TXT	3	`MS=89E218326B58CFBF158AE75470F38DABB31FD, v=spf1 mx ip4:118.26.168.236 ip4:117.131...`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)

Analysis

Hierarchy

The domain linkdoc.com is parent to mail.linkdoc.com, antispam.linkdoc.com and lb.linkdoc.com.

IP Addresses

linkdoc.com resolves to one IP address: 182.92.244.212.

Other host names, among them lb.linkdoc.com and linklab.com, have IP numbers in common with linkdoc.com.

Name Servers

DNS delegation for linkdoc.com points to two name servers: vip3.alidns.com and vip4.alidns.com.

linkdoc.com uses the same name servers as several other domains — among them wave-china.com, transsion-os.com, lottery.gov.cn and two more.

linkdoc.com has partial name server overlap with other domains, including best-inc.com.

Hostnames that resolve to 7 IP addresses:

vip3.alidns.com has IP addresses 8.212.93.3, 140.205.1.5 and 170.33.32.210, plus 4 other.

vip4.alidns.com has IP addresses 8.212.93.4, 140.205.1.6 and 170.33.32.211, plus 4 other.

Mail Servers

Mail for linkdoc.com is handled by a single mail server, antispam.linkdoc.com.

linkdoc.com overlaps on mail servers with certain other domains, linklab.com among them.

This set of mail servers commonly appears together with the mail servers mxbiz1.qq.com.

antispam.linkdoc.com has exactly one IP number: 121.52.217.80.