`duncm.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:b41c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4bb7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.183^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.28^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`meera.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meera.ns.cloudflare.com`
		A	108.162.192.195^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	172.64.32.195^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	173.245.58.195^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
NS	`toby.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:1004::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`rq-in-f26.1e100.net`
		A	2607:f8b0:4023:1004::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`rq-in-f27.1e100.net`
		A	2607:f8b0:4023:1011::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`ncdfwo-in-f26.1e100.net`
		A	2607:f8b0:4023:1011::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`ncdfwo-in-f27.1e100.net`
		A	142.250.26.26^{🇺🇸 Google142.250.26.0/24}
			PTR	`ncdfwo-in-f26.1e100.net`
		A	142.250.26.27^{🇺🇸 Google142.250.26.0/24}
			PTR	`ncdfwo-in-f27.1e100.net`
		A	142.250.114.27^{🇺🇸 Google142.250.114.0/24}
			PTR	`rr-in-f27.1e100.net`
		A	142.250.115.26^{🇺🇸 Google142.250.115.0/24}
			PTR	`rq-in-f26.1e100.net`
		A	142.250.115.27^{🇺🇸 Google142.250.115.0/24}
			PTR	`rq-in-f27.1e100.net`
TXT	`cloudflare_dashboard_sso=290f38ada6de92513415ddd263ffb25b`
TXT	`google-site-verification=YRE6ImxjM0zWv83zc75NJ6pDAZx5NQPU2CiylhswCEk`
TXT	`hcp-domain-verification=69a092967901173a743ded27a37346eb13b23092815ef37d4c2ed...`
TXT	`keybase-site-verification=6XhYhYDDhlu0alFTsvPBqrRLg3z6G32_0QmG3nnio2Q`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.75.183, 172.67.180.28
		IPv6	2606:4700:3034::ac43:b41c, 2606:4700:3035::6815:4bb7
SOA	`meera.ns.cloudflare.com`dns@cloudflare.com serial=2397667572

`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=1771291435

🔒 HSTS Preload (+subdomains)

Subdomains

www.duncm.com

Same first word

duncm.com

Similar names

umcdn.cn

cundm.info

ncmud.com

uncmd.com

cundm.eu

cmund.com

dmcun.com

mundc.de

ncmud.net

ncmud.org

ndumc.org

cundm.biz

umcdn.com

mucdn.net

cundm.com

dcmun.org

cmund.de

mucdn.com

cnmdu.com

umcdn.net

cundm.net

mcdnu.dp.ua

cnmud.com

uncdm.org

mundc.eu

DNS History

59 records (7 active, 52 former)

●NSmeera.ns.cloudflare.com2026-02-16 → 2026-03-12 · 3 obs

○ 2019-12-28 04:58:14
● 2026-02-16 01:41:34
● 2026-03-12 03:52:42

○NSmuch-s3.duncm.com2016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○NSns-1044.awsdns-02.org2015-08-05 → 2015-12-07 · 4 obs

● 2015-08-05 06:16:36
● 2015-12-07 17:47:18
○ 2016-07-13 15:25:46
○ 2026-03-12 03:52:42

○NSns-1762.awsdns-28.co.uk2015-08-05 → 2015-12-07 · 4 obs

● 2015-08-05 06:16:36
● 2015-12-07 17:47:18
○ 2016-07-13 15:25:46
○ 2026-03-12 03:52:42

○NSns-427.awsdns-53.com2015-08-05 → 2015-12-07 · 4 obs

● 2015-08-05 06:16:36
● 2015-12-07 17:47:18
○ 2016-07-13 15:25:46
○ 2026-03-12 03:52:42

○NSns-850.awsdns-42.net2015-08-05 → 2015-12-07 · 4 obs

● 2015-08-05 06:16:36
● 2015-12-07 17:47:18
○ 2016-07-13 15:25:46
○ 2026-03-12 03:52:42

○NSns-cloud-c1.googledomains.com2019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○NSns-cloud-c2.googledomains.com2019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○NSns-cloud-c3.googledomains.com2019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○NSns-cloud-c4.googledomains.com2019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○NSns-cloud-e1.googledomains.com2017-02-11 → 2017-02-11 · 4 obs

○ 2016-07-13 15:25:46
● 2017-02-11 20:50:54
○ 2019-12-28 04:58:14
○ 2026-03-12 03:52:42

○NSns-cloud-e2.googledomains.com2017-02-11 → 2017-02-11 · 4 obs

○ 2016-07-13 15:25:46
● 2017-02-11 20:50:54
○ 2019-12-28 04:58:14
○ 2026-03-12 03:52:42

○NSns-cloud-e3.googledomains.com2017-02-11 → 2017-02-11 · 4 obs

○ 2016-07-13 15:25:46
● 2017-02-11 20:50:54
○ 2019-12-28 04:58:14
○ 2026-03-12 03:52:42

○NSns-cloud-e4.googledomains.com2017-02-11 → 2017-02-11 · 4 obs

○ 2016-07-13 15:25:46
● 2017-02-11 20:50:54
○ 2019-12-28 04:58:14
○ 2026-03-12 03:52:42

○NSso-route-53.duncm.com2016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

●NStoby.ns.cloudflare.com2026-02-16 → 2026-03-12 · 3 obs

○ 2019-12-28 04:58:14
● 2026-02-16 01:41:34
● 2026-03-12 03:52:42

○NSvery-cloud.duncm.com2016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○NSwow-such-dns.duncm.com2016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○MXalt1.aspmx.l.google.com2015-08-05 → 2019-12-28 · 4 obs

● 2015-08-05 06:16:36
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○MXalt2.aspmx.l.google.com2015-08-05 → 2019-12-28 · 4 obs

● 2015-08-05 06:16:36
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○MXalt3.aspmx.l.google.com2017-02-11 → 2019-12-28 · 5 obs

○ 2016-07-13 15:25:46
● 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○MXalt4.aspmx.l.google.com2017-02-11 → 2019-12-28 · 5 obs

○ 2016-07-13 15:25:46
● 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○MXaspmx.l.google.com2015-08-05 → 2019-12-28 · 4 obs

● 2015-08-05 06:16:36
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○MXaspmx2.googlemail.com2015-08-05 → 2016-07-13 · 4 obs

● 2015-08-05 06:16:36
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○MXaspmx3.googlemail.com2015-08-05 → 2016-07-13 · 4 obs

● 2015-08-05 06:16:36
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

●MXsmtp.google.com2026-02-16 → 2026-03-12 · 3 obs

○ 2019-12-28 04:58:14
● 2026-02-16 01:41:34
● 2026-03-12 03:52:42

●A104.21.75.1832026-02-16 → 2026-03-12 · 11 obs

○ 2019-12-28 04:58:14
● 2026-02-16 01:41:34
○ 2026-02-16 03:27:26
○ 2026-02-24 00:19:48
● 2026-02-25 12:08:32
● 2026-03-03 01:16:58
○ 2026-03-04 04:11:10
● 2026-03-07 02:52:32
○ 2026-03-11 04:07:44
● 2026-03-12 03:52:40
● 2026-03-12 03:52:42

●A172.67.180.282026-02-16 → 2026-03-12 · 11 obs

○A188.114.96.02026-02-16 → 2026-03-11 · 10 obs

○ 2026-02-16 01:41:34
● 2026-02-16 03:27:26
● 2026-02-24 00:19:48
○ 2026-02-25 12:08:32
○ 2026-03-03 01:16:58
● 2026-03-04 04:11:10
○ 2026-03-07 02:52:32
● 2026-03-11 04:07:44
○ 2026-03-12 03:52:40
○ 2026-03-12 03:52:42

○A188.114.97.02026-02-16 → 2026-03-11 · 10 obs

○A2001:4860:4802:32::152019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○A2001:4860:4802:34::152019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○A2001:4860:4802:36::152019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○A2001:4860:4802:38::152019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○A216.239.32.212019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○A216.239.34.212019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○A216.239.36.212019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

○A216.239.38.212019-12-28 → 2019-12-28 · 4 obs

○ 2017-02-11 20:50:54
● 2019-12-28 04:58:14
○ 2026-02-16 01:41:34
○ 2026-03-12 03:52:42

●A2606:4700:3034::ac43:b41c2026-02-16 → 2026-03-12 · 11 obs

●A2606:4700:3035::6815:4bb72026-02-16 → 2026-03-12 · 11 obs

○A2a06:98c1:3120::2026-02-16 → 2026-03-11 · 10 obs

○A2a06:98c1:3121::2026-02-16 → 2026-03-11 · 10 obs

○A54.230.11.1402016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.230.11.1432016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.230.11.1982016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.230.11.2132016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.230.11.2362016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.230.11.482016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.230.11.832016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.230.11.862016-07-13 → 2016-07-13 · 4 obs

○ 2015-12-07 17:47:18
● 2016-07-13 15:25:46
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.231.252.1362015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 06:16:36
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.231.252.1402015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 06:16:36
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.231.252.1442015-12-07 → 2015-12-07 · 4 obs

○ 2015-08-05 06:16:36
● 2015-12-07 17:47:18
○ 2016-07-13 15:25:46
○ 2026-03-12 03:52:42

○A54.231.252.1962015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 06:16:36
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.231.252.2002015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 06:16:36
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.231.252.2082015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 06:16:36
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.231.252.2122015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 06:16:36
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

○A54.231.252.682015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 06:16:36
○ 2015-12-07 17:47:18
○ 2026-03-12 03:52:42

○A54.231.252.802015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 06:16:36
○ 2017-02-11 20:50:54
○ 2026-03-12 03:52:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
duncm.com	toby.ns.cloudflare.com, meera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.195

NS records: toby.ns.cloudflare.com, meera.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 620ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.180.28, 104.21.75.183`
AAAA	2	`2606:4700:3034::ac43:b41c, 2606:4700:3035::6815:4bb7`
NS	2	`meera.ns.cloudflare.com, toby.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	5	`cloudflare_dashboard_sso=290f38ada6de925, google-site-verification=YRE6ImxjM0zWv83...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`meera.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

duncm.com is a parent of www.duncm.com.

IP Addresses

duncm.com resolves to four IPs: 2606:4700:3034::ac43:b41c, 2606:4700:3035::6815:4bb7, 104.21.75.183 and 172.67.180.28.

Other host names such as islestextilegroup.com, ketchev.com, go8vn.bio, lovanusa.com and www.islestextilegroup.com share IP numbers with duncm.com.

Name Servers

duncm.com is delegated to two name servers: meera.ns.cloudflare.com and toby.ns.cloudflare.com.

duncm.com uses the same name server setup as other domains, including gdf.com.vn, culturerapide.com, giasunhanvan.com, ecooter.com.vn and vreal.org.

At least part of the name servers for duncm.com are shared with other domains, for instance prosport.ro, shamoying.cn, smarttrips.com.au, neon-connect.com and cingularnoc.net.

These name servers are commonly used alongside the name servers ian.ns.cloudflare.com.

Host names with six IP numbers:

meera.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac3, 2803:f800:50::6ca2:c0c3, 2a06:98c1:50::ac40:20c3, 108.162.192.195, 172.64.32.195 and 173.245.58.195.

toby.ns.cloudflare.com points to: 2606:4700:58::adf5:3bef, 2803:f800:50::6ca2:c1ef, 2a06:98c1:50::ac40:21ef, 108.162.193.239, 172.64.33.239 and 173.245.59.239.

Mail Servers

The mail server for duncm.com is smtp.google.com.

duncm.com uses the same mail server setup as other domains, for instance starsgazette.com, rpalegal.com, sweetbox.it, emailserver.vn and tri-communications.com.

duncm.com shares at least some mail servers with other domains, for example webpoint.us, svetolux.kz, cambridge.edu.pe, codaeu.com and brainstormedu.com.

these mail servers are often used together with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

smtp.google.com resolves to nine IP numbers: 2607:f8b0:4023:1004::1a, 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1011::1a, 2607:f8b0:4023:1011::1b, 142.250.26.26, 142.250.26.27, 142.250.114.27, 142.250.115.26 and 142.250.115.27.

duncm.com - robtex.com

duncm.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`duncm.com`

`com`