`51hengda.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:20aa^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:9915^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.170^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.21^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dion.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dion.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dion.ns.cloudflare.com`
		A	108.162.193.156^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	172.64.33.156^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	173.245.59.156^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
NS	`josephine.ns.cloudflare.com`
		A	2606:4700:50::a29f:2640^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c240^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josephine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2240^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josephine.ns.cloudflare.com`
		A	108.162.194.64^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	162.159.38.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	172.64.34.64^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.170, 172.67.153.21
		IPv6 hints	2606:4700:3031::6815:20aa, 2606:4700:3032::ac43:9915
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com
SOA	`dion.ns.cloudflare.com`dns@cloudflare.com serial=2398172357

`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=1776272062

Same first word

51hengda.com

DNS History

17 records (6 active, 11 former)

●NSdion.ns.cloudflare.com2026-02-23 → 2026-04-15 · 3 obs

○ 2016-04-17 05:37:22
● 2026-02-23 06:39:14
● 2026-04-15 17:21:14

○NSexpire1.gname-dns.com2026-02-23 → 2026-04-15 · 2 obs

○ 2026-02-23 06:39:14
○ 2026-04-15 17:21:14

○NSexpire2.gname-dns.com2026-02-23 → 2026-04-15 · 2 obs

○ 2026-02-23 06:39:14
○ 2026-04-15 17:21:14

○NSf1g1ns1.dnspod.net2015-10-22 → 2016-04-17 · 4 obs

● 2015-10-22 08:31:30
● 2016-04-17 05:37:22
○ 2026-02-23 06:39:14
○ 2026-04-15 17:21:14

○NSf1g1ns2.dnspod.net2015-10-22 → 2016-04-17 · 4 obs

● 2015-10-22 08:31:30
● 2016-04-17 05:37:22
○ 2026-02-23 06:39:14
○ 2026-04-15 17:21:14

●NSjosephine.ns.cloudflare.com2026-02-23 → 2026-04-15 · 3 obs

○ 2016-04-17 05:37:22
● 2026-02-23 06:39:14
● 2026-04-15 17:21:14

●A104.21.32.1702026-02-23 → 2026-04-15 · 6 obs

○ 2017-03-25 17:17:10
● 2026-02-23 06:39:14
● 2026-03-03 07:07:12
○ 2026-03-03 12:14:54
● 2026-03-06 07:19:58
● 2026-04-15 17:21:14

○A172.64.80.12026-03-03 → 2026-03-03 · 4 obs

○ 2026-03-03 07:07:12
● 2026-03-03 12:14:54
○ 2026-03-06 07:19:58
○ 2026-04-15 17:21:14

●A172.67.153.212026-02-23 → 2026-04-15 · 6 obs

○ 2017-03-25 17:17:10
● 2026-02-23 06:39:14
● 2026-03-03 07:07:12
○ 2026-03-03 12:14:54
● 2026-03-06 07:19:58
● 2026-04-15 17:21:14

●A2606:4700:3031::6815:20aa2026-02-23 → 2026-04-15 · 3 obs

○ 2017-03-25 17:17:10
● 2026-02-23 06:39:14
● 2026-04-15 17:21:14

●A2606:4700:3032::ac43:99152026-02-23 → 2026-04-15 · 3 obs

○ 2017-03-25 17:17:10
● 2026-02-23 06:39:14
● 2026-04-15 17:21:14

○A47.88.50.162016-01-15 → 2016-04-17 · 5 obs

○ 2015-10-22 08:31:30
● 2016-01-15 12:24:54
● 2016-04-17 05:37:22
○ 2017-03-25 17:17:10
○ 2026-04-15 17:21:14

○A47.88.9.1092017-03-25 → 2017-03-25 · 4 obs

○ 2016-04-17 05:37:22
● 2017-03-25 17:17:10
○ 2026-02-23 06:39:14
○ 2026-04-15 17:21:14

○A47.90.20.1802017-03-25 → 2017-03-25 · 4 obs

○ 2016-04-17 05:37:22
● 2017-03-25 17:17:10
○ 2026-02-23 06:39:14
○ 2026-04-15 17:21:14

○A58.96.181.322015-10-22 → 2015-10-22 · 3 obs

● 2015-10-22 08:31:30
○ 2016-01-15 12:24:54
○ 2026-04-15 17:21:14

○CNAMEexp.gs-cdn.com2026-02-23 → 2026-04-15 · 2 obs

○ 2026-02-23 06:39:14
○ 2026-04-15 17:21:14

○CNAMEns.wangguai.com2015-10-22 → 2016-04-17 · 4 obs

● 2015-10-22 08:31:30
● 2016-04-17 05:37:22
○ 2017-03-25 17:17:10
○ 2026-04-15 17:21:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51hengda.com	dion.ns.cloudflare.com, josephine.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.64

NS records: dion.ns.cloudflare.com, josephine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51hengda.com (unsigned zone)

⏱️ Timing

Total: 275ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.153.21, 104.21.32.170`
AAAA	2	`2606:4700:3032::ac43:9915, 2606:4700:3031::6815:20aa`
NS	2	`dion.ns.cloudflare.com, josephine.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dion.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51hengda.com refers to four IP numbers: 2606:4700:3031::6815:20aa, 2606:4700:3032::ac43:9915, 104.21.32.170 and 172.67.153.21.

Other host names, for instance sxlxsgt.com, f6e11c92.7acd740c665c9b25ec20d877.workers.dev, themevolis.com, parosproxy.org and ns2.cotechdesign.com share IP numbers with 51hengda.com.

Name Servers

51hengda.com's delegation uses two name servers: dion.ns.cloudflare.com and josephine.ns.cloudflare.com.

51hengda.com uses the same name server setup as other domains, such as zhanghi.net, yreader.cn, asathk.com, yundao365.com.cn and zhajy.com.

51hengda.com at least partially shares name servers with other domains, including zhhjjc.com, australiasoutback.com.au, wildzy8.io, rogersroyalshockey.org and w9755.com.

These name servers are often used with ned.ns.cloudflare.com and bella.ns.cloudflare.com.

Host names with six IP numbers:

dion.ns.cloudflare.com points to 2606:4700:58::adf5:3b9c, 2803:f800:50::6ca2:c19c, 2a06:98c1:50::ac40:219c, 108.162.193.156, 172.64.33.156 and 173.245.59.156.

josephine.ns.cloudflare.com points to 2606:4700:50::a29f:2640, 2803:f800:50::6ca2:c240, 2a06:98c1:50::ac40:2240, 108.162.194.64, 162.159.38.64 and 172.64.34.64.

51hengda.com - robtex.com

51hengda.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`51hengda.com`

`com`