`physicsnetbase.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:ead^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a019^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.173^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.25^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bart.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b47^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c147^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bart.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2147^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bart.ns.cloudflare.com`
		A	108.162.193.71^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	172.64.33.71^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	173.245.59.71^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
NS	`hera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hera.ns.cloudflare.com`
		A	108.162.192.162^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	172.64.32.162^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	173.245.58.162^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.14.173, 172.67.160.25
		IPv6 hints	2606:4700:3034::6815:ead, 2606:4700:3034::ac43:a019
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOA	`bart.ns.cloudflare.com`dns@cloudflare.com serial=2410563508

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035098941

Same first word

physicsnetbase.cn

DNS History

11 records (6 active, 5 former)

●NSbart.ns.cloudflare.com2026-07-13 → 2026-07-28 · 3 obs

○ 2017-05-27 12:59:24
● 2026-07-13 11:16:00
● 2026-07-28 02:01:28

○NSdns1.idp365.net2015-07-20 → 2017-05-27 · 4 obs

● 2015-07-20 15:09:20
● 2017-05-27 12:59:24
○ 2026-07-13 11:16:00
○ 2026-07-28 02:01:28

○NSdns2.idp365.net2015-07-20 → 2017-05-27 · 4 obs

● 2015-07-20 15:09:20
● 2017-05-27 12:59:24
○ 2026-07-13 11:16:00
○ 2026-07-28 02:01:28

○NSdns3.idp365.net2015-07-20 → 2017-05-27 · 4 obs

● 2015-07-20 15:09:20
● 2017-05-27 12:59:24
○ 2026-07-13 11:16:00
○ 2026-07-28 02:01:28

●NShera.ns.cloudflare.com2026-07-13 → 2026-07-28 · 3 obs

○ 2017-05-27 12:59:24
● 2026-07-13 11:16:00
● 2026-07-28 02:01:28

●A104.21.14.1732026-07-13 → 2026-07-28 · 3 obs

○ 2017-05-27 12:59:24
● 2026-07-13 11:16:00
● 2026-07-28 02:01:28

●A172.67.160.252026-07-13 → 2026-07-28 · 3 obs

○ 2017-05-27 12:59:24
● 2026-07-13 11:16:00
● 2026-07-28 02:01:28

○A208.254.74.772015-07-20 → 2015-12-13 · 4 obs

● 2015-07-20 15:09:20
● 2015-12-13 16:32:12
○ 2016-04-08 14:50:42
○ 2026-07-28 02:01:28

○A217.19.248.1322016-04-08 → 2017-05-27 · 5 obs

○ 2015-12-13 16:32:12
● 2016-04-08 14:50:42
● 2017-05-27 12:59:24
○ 2026-07-13 11:16:00
○ 2026-07-28 02:01:28

●A2606:4700:3034::6815:ead2026-07-13 → 2026-07-28 · 3 obs

○ 2017-05-27 12:59:24
● 2026-07-13 11:16:00
● 2026-07-28 02:01:28

●A2606:4700:3034::ac43:a0192026-07-13 → 2026-07-28 · 3 obs

○ 2017-05-27 12:59:24
● 2026-07-13 11:16:00
● 2026-07-28 02:01:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
physicsnetbase.cn	bart.ns.cloudflare.com, hera.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.162

NS records: bart.ns.cloudflare.com, hera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for physicsnetbase.cn (unsigned zone)

⏱️ Timing

Total: 868ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.160.25, 104.21.14.173`
AAAA	2	`2606:4700:3034::6815:ead, 2606:4700:3034::ac43:a019`
NS	2	`bart.ns.cloudflare.com, hera.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bart.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

physicsnetbase.cn directs to four IP numbers, which are 104.21.14.173, 172.67.160.25, 2606:4700:3034::6815:ead and 2606:4700:3034::ac43:a019.

Additional host names — vocabspedia.com, mail.balletindance.com, www.glmerc.com and two others — share IP numbers with physicsnetbase.cn.

Name Servers

Two name servers handle the delegation for physicsnetbase.cn: bart.ns.cloudflare.com and hera.ns.cloudflare.com.

physicsnetbase.cn shares its name server setup with other domains, including knect365.me, connectionsconferences.com, earthscanpublishing.co and two others.

There is at least partial name server overlap between physicsnetbase.cn and other domains — pikoloweb.com, budomag.se, gzheat.com and two more among them.

Host names with 6 IP numbers:

bart.ns.cloudflare.com resolves to 108.162.193.71, 172.64.33.71 and 173.245.59.71 among others, with 3 other IP addresses in total.

hera.ns.cloudflare.com resolves to 108.162.192.162, 172.64.32.162 and 173.245.58.162 among others, with 3 other IP addresses in total.

physicsnetbase.cn - robtex.com