`qudouwan.com`

	CNAME	`qudouwan.github.io`
	DNSSEC	⚠️ Not signed
	A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
	A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
	A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
	A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}

`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=1776005177

Same first word

qudouwan.com

qudouwan.github.io

Similar names

douquwan.cn

DNS History

21 records (3 active, 18 former)

●NSdns11.hichina.com2026-03-28 → 2026-04-12 · 3 obs

○ 2018-07-06 10:05:32
● 2026-03-28 20:04:30
● 2026-04-12 14:51:58

●NSdns12.hichina.com2026-03-28 → 2026-04-12 · 3 obs

○ 2018-07-06 10:05:32
● 2026-03-28 20:04:30
● 2026-04-12 14:51:58

○NSns1.namebrightdns.com2015-07-25 → 2018-07-06 · 6 obs

● 2015-07-25 19:33:44
○ 2015-11-24 03:52:18
○ 2017-01-26 23:40:52
● 2018-07-06 10:05:32
○ 2026-03-28 20:04:30
○ 2026-04-12 14:51:58

○NSns2.namebrightdns.com2018-07-06 → 2018-07-06 · 4 obs

○ 2017-01-26 23:40:52
● 2018-07-06 10:05:32
○ 2026-03-28 20:04:30
○ 2026-04-12 14:51:58

○NSnsg1.namebrightdns.com2015-07-25 → 2016-06-19 · 4 obs

● 2015-07-25 19:33:44
● 2016-06-19 04:48:48
○ 2017-01-26 23:40:52
○ 2026-04-12 14:51:58

○NSnsg2.namebrightdns.com2015-07-25 → 2016-06-19 · 4 obs

● 2015-07-25 19:33:44
● 2016-06-19 04:48:48
○ 2017-01-26 23:40:52
○ 2026-04-12 14:51:58

○NSnst1.namebrightdns.com2017-01-26 → 2017-01-26 · 4 obs

○ 2016-06-19 04:48:48
● 2017-01-26 23:40:52
○ 2018-07-06 10:05:32
○ 2026-04-12 14:51:58

○NSnst2.namebrightdns.com2017-01-26 → 2017-01-26 · 4 obs

○ 2016-06-19 04:48:48
● 2017-01-26 23:40:52
○ 2018-07-06 10:05:32
○ 2026-04-12 14:51:58

○MXmail1.namebright.com2015-07-25 → 2016-02-23 · 4 obs

● 2015-07-25 19:33:44
● 2016-02-23 08:12:38
○ 2016-06-19 04:48:48
○ 2026-04-12 14:51:58

○MXmail2.namebright.com2015-07-25 → 2016-02-23 · 4 obs

● 2015-07-25 19:33:44
● 2016-02-23 08:12:38
○ 2016-06-19 04:48:48
○ 2026-04-12 14:51:58

○A52.0.96.242016-02-23 → 2016-02-23 · 4 obs

○ 2015-11-24 03:52:18
● 2016-02-23 08:12:38
○ 2016-06-19 04:48:48
○ 2026-04-12 14:51:58

○A52.200.243.1232016-06-19 → 2016-06-19 · 4 obs

○ 2016-02-23 08:12:38
● 2016-06-19 04:48:48
○ 2017-01-26 23:40:52
○ 2026-04-12 14:51:58

○A52.71.117.992016-02-23 → 2016-02-23 · 4 obs

○ 2015-11-24 03:52:18
● 2016-02-23 08:12:38
○ 2016-06-19 04:48:48
○ 2026-04-12 14:51:58

○A54.152.144.2432016-06-19 → 2016-06-19 · 4 obs

○ 2016-02-23 08:12:38
● 2016-06-19 04:48:48
○ 2017-01-26 23:40:52
○ 2026-04-12 14:51:58

○A54.174.31.2542015-07-25 → 2015-11-24 · 4 obs

● 2015-07-25 19:33:44
● 2015-11-24 03:52:18
○ 2016-02-23 08:12:38
○ 2026-04-12 14:51:58

○A54.208.74.2152015-07-25 → 2015-11-24 · 4 obs

● 2015-07-25 19:33:44
● 2015-11-24 03:52:18
○ 2016-02-23 08:12:38
○ 2026-04-12 14:51:58

○A54.82.156.192017-01-26 → 2017-01-26 · 4 obs

○ 2016-06-19 04:48:48
● 2017-01-26 23:40:52
○ 2018-07-06 10:05:32
○ 2026-04-12 14:51:58

○A54.86.225.1562017-01-26 → 2017-01-26 · 4 obs

○ 2016-06-19 04:48:48
● 2017-01-26 23:40:52
○ 2018-07-06 10:05:32
○ 2026-04-12 14:51:58

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-25 → 2016-06-19 · 4 obs

● 2015-07-25 19:33:44
● 2016-06-19 04:48:48
○ 2017-01-26 23:40:52
○ 2026-04-12 14:51:58

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-26 → 2018-07-06 · 5 obs

○ 2016-06-19 04:48:48
● 2017-01-26 23:40:52
● 2018-07-06 10:05:32
○ 2026-03-28 20:04:30
○ 2026-04-12 14:51:58

●CNAMEqudouwan.github.io2026-03-28 → 2026-04-12 · 3 obs

○ 2018-07-06 10:05:32
● 2026-03-28 20:04:30
● 2026-04-12 14:51:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
qudouwan.com	dns11.hichina.com, dns12.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns11.hichina.com, dns12.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qudouwan.com (unsigned zone)

⏱️ Timing

Total: 575ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns11.hichina.com, dns12.hichina.com`
CNAME	1	`qudouwan.github.io`
SOA	1	`dns11.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)

Analysis

IP Addresses

qudouwan.com resolves to eight IP numbers: 2606:50c0:8000::153, 2606:50c0:8001::153, 2606:50c0:8002::153, 2606:50c0:8003::153, 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

Other host names such as professional-seo-link-strategy-tool.html.html.demo.backlink-generator-tool.backlink-generator-tool.github.io, socrata.github.io, ferluccilundi.club, devinpham.com and iamsoham0001.github.io share IPs with qudouwan.com.

qudouwan.com - robtex.com

qudouwan.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

`qudouwan.com`

`com`