`duanmatong.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:bc85^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:2446^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.70^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.133^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chase.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chase.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chase.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chase.ns.cloudflare.com`
		A	108.162.195.156^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chase.ns.cloudflare.com`
		A	162.159.44.156^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chase.ns.cloudflare.com`
		A	172.64.35.156^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chase.ns.cloudflare.com`
NS	`ophelia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ophelia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ophelia.ns.cloudflare.com`
		A	108.162.194.248^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	162.159.38.248^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	172.64.34.248^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.70, 172.67.188.133
		IPv6 hints	2606:4700:3030::ac43:bc85, 2606:4700:3031::6815:2446
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com
SOA	`chase.ns.cloudflare.com`dns@cloudflare.com serial=2410420118

`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=1785936334

Same first word

duanmatong.cn

duanmatong.com

duanmatong.net

DNS History

22 records (6 active, 16 former)

●NSchase.ns.cloudflare.com2026-06-05 → 2026-08-05 · 3 obs

○ 2026-05-07 08:00:14
● 2026-06-05 19:23:20
● 2026-08-05 13:34:08

○NSdns17.hichina.com2015-07-15 → 2020-02-22 · 4 obs

● 2015-07-15 09:39:28
● 2020-02-22 00:25:12
○ 2026-03-08 16:04:26
○ 2026-08-05 13:34:08

○NSdns18.hichina.com2015-07-15 → 2020-02-22 · 4 obs

● 2015-07-15 09:39:28
● 2020-02-22 00:25:12
○ 2026-03-08 16:04:26
○ 2026-08-05 13:34:08

○NSexpire1.gname-dns.com2026-03-08 → 2026-08-05 · 2 obs

○ 2026-03-08 16:04:26
○ 2026-08-05 13:34:08

○NSexpire2.gname-dns.com2026-03-08 → 2026-08-05 · 2 obs

○ 2026-03-08 16:04:26
○ 2026-08-05 13:34:08

○NSjeremy.ns.cloudflare.com2026-05-07 → 2026-05-07 · 4 obs

○ 2026-04-13 03:40:34
● 2026-05-07 08:00:14
○ 2026-06-05 19:23:20
○ 2026-08-05 13:34:08

○NSmckinley.ns.cloudflare.com2026-03-08 → 2026-04-13 · 5 obs

○ 2020-02-22 00:25:12
● 2026-03-08 16:04:26
● 2026-04-13 03:40:34
○ 2026-05-07 08:00:14
○ 2026-08-05 13:34:08

○NSnelci.ns.cloudflare.com2026-05-07 → 2026-05-07 · 4 obs

○ 2026-04-13 03:40:34
● 2026-05-07 08:00:14
○ 2026-06-05 19:23:20
○ 2026-08-05 13:34:08

●NSophelia.ns.cloudflare.com2026-06-05 → 2026-08-05 · 3 obs

○ 2026-05-07 08:00:14
● 2026-06-05 19:23:20
● 2026-08-05 13:34:08

○NSsri.ns.cloudflare.com2026-03-08 → 2026-04-13 · 5 obs

○ 2020-02-22 00:25:12
● 2026-03-08 16:04:26
● 2026-04-13 03:40:34
○ 2026-05-07 08:00:14
○ 2026-08-05 13:34:08

●A104.21.36.702026-03-08 → 2026-08-05 · 8 obs

○ 2020-02-22 00:25:12
● 2026-03-08 16:04:26
○ 2026-03-10 10:26:14
● 2026-04-07 05:49:12
● 2026-05-07 08:00:14
○ 2026-06-05 19:23:20
● 2026-07-15 03:19:20
● 2026-08-05 13:34:08

○A114.215.156.1632015-07-15 → 2020-02-22 · 4 obs

● 2015-07-15 09:39:28
● 2020-02-22 00:25:12
○ 2026-03-08 16:04:26
○ 2026-08-05 13:34:08

●A172.67.188.1332026-03-08 → 2026-08-05 · 8 obs

○ 2020-02-22 00:25:12
● 2026-03-08 16:04:26
○ 2026-03-10 10:26:14
● 2026-04-07 05:49:12
● 2026-05-07 08:00:14
○ 2026-06-05 19:23:20
● 2026-07-15 03:19:20
● 2026-08-05 13:34:08

○A188.114.96.02026-03-10 → 2026-06-05 · 7 obs

○ 2026-03-08 16:04:26
● 2026-03-10 10:26:14
○ 2026-04-07 05:49:12
○ 2026-05-07 08:00:14
● 2026-06-05 19:23:20
○ 2026-07-15 03:19:20
○ 2026-08-05 13:34:08

○A188.114.97.02026-03-10 → 2026-06-05 · 7 obs

○ 2026-03-08 16:04:26
● 2026-03-10 10:26:14
○ 2026-04-07 05:49:12
○ 2026-05-07 08:00:14
● 2026-06-05 19:23:20
○ 2026-07-15 03:19:20
○ 2026-08-05 13:34:08

●A2606:4700:3030::ac43:bc852026-07-15 → 2026-08-05 · 3 obs

○ 2026-06-05 19:23:20
● 2026-07-15 03:19:20
● 2026-08-05 13:34:08

●A2606:4700:3031::6815:24462026-07-15 → 2026-08-05 · 3 obs

○ 2026-06-05 19:23:20
● 2026-07-15 03:19:20
● 2026-08-05 13:34:08

○A2606:4700:3032::ac43:bc852026-03-08 → 2026-05-07 · 7 obs

○ 2020-02-22 00:25:12
● 2026-03-08 16:04:26
○ 2026-03-10 10:26:14
● 2026-04-07 05:49:12
● 2026-05-07 08:00:14
○ 2026-06-05 19:23:20
○ 2026-08-05 13:34:08

○A2606:4700:3037::6815:24462026-03-08 → 2026-05-07 · 7 obs

○ 2020-02-22 00:25:12
● 2026-03-08 16:04:26
○ 2026-03-10 10:26:14
● 2026-04-07 05:49:12
● 2026-05-07 08:00:14
○ 2026-06-05 19:23:20
○ 2026-08-05 13:34:08

○A2a06:98c1:3120::2026-03-10 → 2026-06-05 · 7 obs

○ 2026-03-08 16:04:26
● 2026-03-10 10:26:14
○ 2026-04-07 05:49:12
○ 2026-05-07 08:00:14
● 2026-06-05 19:23:20
○ 2026-07-15 03:19:20
○ 2026-08-05 13:34:08

○A2a06:98c1:3121::2026-03-10 → 2026-06-05 · 7 obs

○ 2026-03-08 16:04:26
● 2026-03-10 10:26:14
○ 2026-04-07 05:49:12
○ 2026-05-07 08:00:14
● 2026-06-05 19:23:20
○ 2026-07-15 03:19:20
○ 2026-08-05 13:34:08

○CNAMEexp.gs-cdn.com2026-03-08 → 2026-08-05 · 2 obs

○ 2026-03-08 16:04:26
○ 2026-08-05 13:34:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
duanmatong.com	ophelia.ns.cloudflare.com, chase.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.156

NS records: ophelia.ns.cloudflare.com, chase.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duanmatong.com (unsigned zone)

⏱️ Timing

Total: 463ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.188.133, 104.21.36.70`
AAAA	2	`2606:4700:3030::ac43:bc85, 2606:4700:3031::6815:2446`
NS	2	`chase.ns.cloudflare.com, ophelia.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chase.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

duanmatong.com resolves to four IP addresses: 104.21.36.70, 172.67.188.133, 2606:4700:3030::ac43:bc85 and 2606:4700:3031::6815:2446.

Additional host names — www.bookbook.pl, oxed-defender.pro, plangraphics.com and two others — share IP numbers with duanmatong.com.

Name Servers

duanmatong.com is delegated to two name servers: chase.ns.cloudflare.com and ophelia.ns.cloudflare.com.

duanmatong.com shares its name server setup with other domains, including scrmtj.com, jltjm.com, sinicsoft.com and two others.

duanmatong.com has at least partial name server overlap with other domains, such as sparkin.biz, cnsulting.com, istanbuleskortum.net and two others.

It is common to see these name servers used together with name servers karsyn.ns.cloudflare.com and kenia.ns.cloudflare.com.

Host names with 6 IP numbers:

chase.ns.cloudflare.com resolves to 108.162.195.156, 162.159.44.156, 172.64.35.156 and 3 other IP addresses.

ophelia.ns.cloudflare.com resolves to 108.162.194.248, 162.159.38.248, 172.64.34.248 and 3 other IP addresses.

duanmatong.com - robtex.com

duanmatong.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

`duanmatong.com`

`com`