`physicsdiscussionforum.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b494^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:43cb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.203^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.148^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cory.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cory.ns.cloudflare.com`
		A	108.162.193.93^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	172.64.33.93^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	173.245.59.93^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
NS	`mira.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mira.ns.cloudflare.com`
		A	108.162.192.204^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	172.64.32.204^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	173.245.58.204^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.203, 172.67.180.148
		IPv6 hints	2606:4700:3030::ac43:b494, 2606:4700:3035::6815:43cb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com
SOA	`cory.ns.cloudflare.com`dns@cloudflare.com serial=2400680161

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1777669905

Same first word

physicsdiscussionforum.org

DNS History

9 records (6 active, 3 former)

●NScory.ns.cloudflare.com2026-04-01 → 2026-05-01 · 3 obs

○ 2017-05-23 21:22:12
● 2026-04-01 07:19:00
● 2026-05-01 21:43:34

●NSmira.ns.cloudflare.com2026-04-01 → 2026-05-01 · 3 obs

○ 2017-05-23 21:22:12
● 2026-04-01 07:19:00
● 2026-05-01 21:43:34

○NSns1.freeforums.org2015-06-29 → 2017-05-23 · 4 obs

● 2015-06-29 07:08:32
● 2017-05-23 21:22:12
○ 2026-04-01 07:19:00
○ 2026-05-01 21:43:34

●A104.21.67.2032026-04-01 → 2026-05-01 · 3 obs

○ 2017-05-23 21:22:12
● 2026-04-01 07:19:00
● 2026-05-01 21:43:34

●A172.67.180.1482026-04-01 → 2026-05-01 · 3 obs

○ 2017-05-23 21:22:12
● 2026-04-01 07:19:00
● 2026-05-01 21:43:34

○A184.173.59.1552017-05-23 → 2017-05-23 · 4 obs

○ 2016-07-16 07:40:32
● 2017-05-23 21:22:12
○ 2026-04-01 07:19:00
○ 2026-05-01 21:43:34

○A209.132.196.832015-06-29 → 2016-07-16 · 4 obs

● 2015-06-29 07:08:32
● 2016-07-16 07:40:32
○ 2017-05-23 21:22:12
○ 2026-05-01 21:43:34

●A2606:4700:3030::ac43:b4942026-04-01 → 2026-05-01 · 3 obs

○ 2017-05-23 21:22:12
● 2026-04-01 07:19:00
● 2026-05-01 21:43:34

●A2606:4700:3035::6815:43cb2026-04-01 → 2026-05-01 · 3 obs

○ 2017-05-23 21:22:12
● 2026-04-01 07:19:00
● 2026-05-01 21:43:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
physicsdiscussionforum.org	cory.ns.cloudflare.com, mira.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.93

NS records: cory.ns.cloudflare.com, mira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for physicsdiscussionforum.org (unsigned zone)

⏱️ Timing

Total: 308ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.203, 172.67.180.148`
AAAA	2	`2606:4700:3030::ac43:b494, 2606:4700:3035::6815:43cb`
NS	2	`cory.ns.cloudflare.com, mira.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cory.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

physicsdiscussionforum.org points to four IP numbers: 2606:4700:3030::ac43:b494, 2606:4700:3035::6815:43cb, 104.21.67.203 and 172.67.180.148.

Other host names, for instance www.vicenezagentura.cz, bbshoe.com, unlockuscheckinfo-7236.my.id, www.windstonebehavioral.com and advanced-concrete.com share IP numbers with physicsdiscussionforum.org.

Name Servers

Delegation for physicsdiscussionforum.org rests with two name servers, cory.ns.cloudflare.com and mira.ns.cloudflare.com.

physicsdiscussionforum.org shares the same name server setup as other domains, including irishconstabulary.com, adminfusion.com, lefora.com, ifrm.com and altangst.com.

physicsdiscussionforum.org at least partially shares name servers with other domains, for instance 10xhire.io, accountsol.com, (0x6675636b)erstube.com, desitube.org and thinkproductive.fr.

these name servers are commonly used with janet.ns.cloudflare.com, aria.ns.cloudflare.com and raquel.ns.cloudflare.com.

Host names with six IP numbers: cory.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5d, 2803:f800:50::6ca2:c15d, 2a06:98c1:50::ac40:215d, 108.162.193.93, 172.64.33.93 and 173.245.59.93. mira.ns.cloudflare.com points to: 2606:4700:50::adf5:3acc, 2803:f800:50::6ca2:c0cc, 2a06:98c1:50::ac40:20cc, 108.162.192.204, 172.64.32.204 and 173.245.58.204.

physicsdiscussionforum.org - robtex.com