`duonghc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1cf5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:93eb^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.245^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.235^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`abby.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c064^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`abby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2064^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`abby.ns.cloudflare.com`
		A	108.162.192.100^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	172.64.32.100^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	173.245.58.100^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
NS	`elliot.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elliot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elliot.ns.cloudflare.com`
		A	108.162.193.162^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	172.64.33.162^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	173.245.59.162^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`google-site-verification=FHufNmgwQeqSFIYKh9BudR7Y9FYIZNRxraVw-sDIfb8`
TXT	`google-site-verification=NUq9XdZdUZESfDESb2IkOBdIBKx_jXX5NCy-Qfux7jQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.245, 172.67.147.235
		IPv6 hints	2606:4700:3031::6815:1cf5, 2606:4700:3033::ac43:93eb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com
SOA	`abby.ns.cloudflare.com`dns@cloudflare.com serial=2400347417

`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=1777014606

Same first word

duonghc.com

Similar names

dongchu.net

dchoung.com

hongduc.net

gdouchn.com

hongduc.vn

dongchu.cn

hongduc.com.vn

dochung.co.kr

cuonghd.com

chongdu.com

chungdo.com

chungdo.net

chungdo.org.hk

chudong.com

chudong.cn

duchong.cn

hongduc.com

chungdo.co.kr

hongduc.edu.vn

dongchu.com

DNS History

11 records (8 active, 3 former)

●NSabby.ns.cloudflare.com2026-04-10 → 2026-04-24 · 3 obs

○ 2017-10-02 19:45:22
● 2026-04-10 16:47:08
● 2026-04-24 07:31:08

●NSelliot.ns.cloudflare.com2026-04-10 → 2026-04-24 · 3 obs

○ 2017-10-02 19:45:22
● 2026-04-10 16:47:08
● 2026-04-24 07:31:08

○NSns51.domaincontrol.com2016-12-20 → 2017-10-02 · 4 obs

● 2016-12-20 08:28:04
● 2017-10-02 19:45:22
○ 2026-04-10 16:47:08
○ 2026-04-24 07:31:08

○NSns52.domaincontrol.com2016-12-20 → 2017-10-02 · 4 obs

● 2016-12-20 08:28:04
● 2017-10-02 19:45:22
○ 2026-04-10 16:47:08
○ 2026-04-24 07:31:08

●MXmailstore1.secureserver.net2016-12-20 → 2026-04-24 · 2 obs

● 2016-12-20 08:28:04
● 2026-04-24 07:31:08

●MXsmtp.secureserver.net2016-12-20 → 2026-04-24 · 2 obs

● 2016-12-20 08:28:04
● 2026-04-24 07:31:08

●A104.21.28.2452026-04-10 → 2026-04-24 · 3 obs

○ 2017-10-02 19:45:22
● 2026-04-10 16:47:08
● 2026-04-24 07:31:08

●A172.67.147.2352026-04-10 → 2026-04-24 · 3 obs

○ 2017-10-02 19:45:22
● 2026-04-10 16:47:08
● 2026-04-24 07:31:08

○A184.168.221.542016-12-20 → 2017-10-02 · 4 obs

● 2016-12-20 08:28:04
● 2017-10-02 19:45:22
○ 2026-04-10 16:47:08
○ 2026-04-24 07:31:08

●A2606:4700:3031::6815:1cf52026-04-10 → 2026-04-24 · 3 obs

○ 2017-10-02 19:45:22
● 2026-04-10 16:47:08
● 2026-04-24 07:31:08

●A2606:4700:3033::ac43:93eb2026-04-10 → 2026-04-24 · 3 obs

○ 2017-10-02 19:45:22
● 2026-04-10 16:47:08
● 2026-04-24 07:31:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
duonghc.com	abby.ns.cloudflare.com, elliot.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.100

NS records: abby.ns.cloudflare.com, elliot.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duonghc.com (unsigned zone)

⏱️ Timing

Total: 206ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.147.235, 104.21.28.245`
AAAA	2	`2606:4700:3031::6815:1cf5, 2606:4700:3033::ac43:93eb`
NS	2	`abby.ns.cloudflare.com, elliot.ns.cloudflare.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	2	`google-site-verification=FHufNmgwQeqSFIY, google-site-verification=NUq9XdZdUZESfDE`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`abby.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (abby.ns.cloudflare.com, abby.ns.cloudflare.com, abby.ns.cloudflare.com...)

Analysis

IP Addresses

duonghc.com points to four IP numbers: 2606:4700:3031::6815:1cf5, 2606:4700:3033::ac43:93eb, 104.21.28.245 and 172.67.147.235.

Other host names, for instance winwin-amp.top, crown88zone.com, (0x706f726e)o9k.com, bdjob7.com and www.zefarm.ba share IP numbers with duonghc.com.

Name Servers

Delegation for duonghc.com rests with two name servers, abby.ns.cloudflare.com and elliot.ns.cloudflare.com.

duonghc.com shares the same name server setup as other domains, including ip.im, hocwebchuan.com, socioumane.ro, joewebhost.com and ipv4.im.

duonghc.com at least partially shares name servers with other domains, for instance visor.com.ph, visitlawrenceburgky.com, empllo.com, cdn-googleapi.com and evilfull.com.

These name servers are commonly used with lloyd.ns.cloudflare.com and magnolia.ns.cloudflare.com.

Host names with six IP numbers: abby.ns.cloudflare.com points to: 2606:4700:50::adf5:3a64, 2803:f800:50::6ca2:c064, 2a06:98c1:50::ac40:2064, 108.162.192.100, 172.64.32.100 and 173.245.58.100. elliot.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba2, 2803:f800:50::6ca2:c1a2, 2a06:98c1:50::ac40:21a2, 108.162.193.162, 172.64.33.162 and 173.245.59.162.

Mail Servers

duonghc.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

duonghc.com uses the same mail server configuration as other domains, such as gunrite.com, vcifishingproducts.com, 40designs.com, hopedouglas.com and tingley.info.

duonghc.com shares some mail servers with other domains at least partially, for example (0x6469636b)andson.com.

Host names with three IP numbers: The host name mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; The host name smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

duonghc.com - robtex.com

duonghc.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

Name Servers

Mail Servers

`duonghc.com`

`com`