www.physicstutorials.org - dns.ninja

www.physicstutorials.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d9f0🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:4615🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.21Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.240🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
TXTyandex-verification: 2ba50a3f231eca6d
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.21, 172.67.217.240
IPv6 hints2606:4700:3032::ac43:d9f0, 2606:4700:3033::6815:4615
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com

physicstutorials.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d9f0🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:4615🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.21Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.240🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjean.ns.cloudflare.com ⭐
NSnorm.ns.cloudflare.com
TXTgoogle-site-verification=ObD_AEJ3I9NdUxE6i9Cf3YYR4LpyJa7pm8uv5QnA3y4
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.21, 172.67.217.240
IPv6 hints2606:4700:3032::ac43:d9f0, 2606:4700:3033::6815:4615
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOAjean.ns.cloudflare.comdns@cloudflare.com serial=2409892604
WOT: SAFE (60/100)
WOT: SAFE (60/100)

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DNS History

18 records (4 active, 14 former)

20162017201820192020202120222023202420252026NSjean.ns.cloudflare.comnorm.ns.cloudflare.comMXdc-c075db4c.physicstutorials.orgA104.21.70.21172.67.217.2402606:4700:3032::ac43:d9f02606:4700:3033::6815:4615104.24.114.25104.24.115.25104.31.142.47104.31.143.472400:cb00:2048:1::6818:72192400:cb00:2048:1::6818:73192400:cb00:2048:1::681f:8e2f2400:cb00:2048:1::681f:8f2f2606:4700:3035::6815:46152606:4700:3036::ac43:d9f0CNAMEphysicstutorials.org
○NSjean.ns.cloudflare.com2015-10-13 → 2026-02-16 · 4 obs
● 2015-10-13 15:51:24
● 2026-02-16 00:27:16
○ 2026-03-30 15:32:34
○ 2026-08-07 15:33:44
○NSnorm.ns.cloudflare.com2015-10-13 → 2026-02-16 · 4 obs
● 2015-10-13 15:51:24
● 2026-02-16 00:27:16
○ 2026-03-30 15:32:34
○ 2026-08-07 15:33:44
○MXdc-c075db4c.physicstutorials.org2015-10-13 → 2026-02-16 · 4 obs
● 2015-10-13 15:51:24
● 2026-02-16 00:27:16
○ 2026-03-30 15:32:34
○ 2026-08-07 15:33:44
●A104.21.70.212026-02-16 → 2026-08-07 · 3 obs
○ 2017-02-14 14:36:32
● 2026-02-16 00:27:16
● 2026-08-07 15:33:44
○A104.24.114.252015-04-17 → 2016-06-23 · 4 obs
● 2015-04-17 05:20:08
● 2016-06-23 02:56:54
○ 2017-02-14 14:36:32
○ 2026-08-07 15:33:44
○A104.24.115.252015-04-17 → 2016-06-23 · 4 obs
● 2015-04-17 05:20:08
● 2016-06-23 02:56:54
○ 2017-02-14 14:36:32
○ 2026-08-07 15:33:44
○A104.31.142.472017-02-14 → 2017-02-14 · 4 obs
○ 2016-06-23 02:56:54
● 2017-02-14 14:36:32
○ 2026-02-16 00:27:16
○ 2026-08-07 15:33:44
○A104.31.143.472017-02-14 → 2017-02-14 · 4 obs
○ 2016-06-23 02:56:54
● 2017-02-14 14:36:32
○ 2026-02-16 00:27:16
○ 2026-08-07 15:33:44
●A172.67.217.2402026-02-16 → 2026-08-07 · 3 obs
○ 2017-02-14 14:36:32
● 2026-02-16 00:27:16
● 2026-08-07 15:33:44
○A2400:cb00:2048:1::6818:72192015-04-17 → 2016-06-23 · 4 obs
● 2015-04-17 05:20:08
● 2016-06-23 02:56:54
○ 2017-02-14 14:36:32
○ 2026-08-07 15:33:44
○A2400:cb00:2048:1::6818:73192015-04-17 → 2016-06-23 · 4 obs
● 2015-04-17 05:20:08
● 2016-06-23 02:56:54
○ 2017-02-14 14:36:32
○ 2026-08-07 15:33:44
○A2400:cb00:2048:1::681f:8e2f2017-02-14 → 2017-02-14 · 4 obs
○ 2016-06-23 02:56:54
● 2017-02-14 14:36:32
○ 2026-02-16 00:27:16
○ 2026-08-07 15:33:44
○A2400:cb00:2048:1::681f:8f2f2017-02-14 → 2017-02-14 · 4 obs
○ 2016-06-23 02:56:54
● 2017-02-14 14:36:32
○ 2026-02-16 00:27:16
○ 2026-08-07 15:33:44
●A2606:4700:3032::ac43:d9f02026-07-15 → 2026-08-07 · 3 obs
○ 2026-05-15 04:25:18
● 2026-07-15 00:29:42
● 2026-08-07 15:33:44
●A2606:4700:3033::6815:46152026-07-15 → 2026-08-07 · 3 obs
○ 2026-05-15 04:25:18
● 2026-07-15 00:29:42
● 2026-08-07 15:33:44
○A2606:4700:3035::6815:46152026-02-16 → 2026-05-15 · 5 obs
○ 2017-02-14 14:36:32
● 2026-02-16 00:27:16
● 2026-05-15 04:25:18
○ 2026-07-15 00:29:42
○ 2026-08-07 15:33:44
○A2606:4700:3036::ac43:d9f02026-02-16 → 2026-05-15 · 5 obs
○ 2017-02-14 14:36:32
● 2026-02-16 00:27:16
● 2026-05-15 04:25:18
○ 2026-07-15 00:29:42
○ 2026-08-07 15:33:44
○CNAMEphysicstutorials.org2015-04-17 → 2026-02-16 · 4 obs
● 2015-04-17 05:20:08
● 2026-02-16 00:27:16
○ 2026-03-30 15:32:34
○ 2026-08-07 15:33:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
physicstutorials.orgjean.ns.cloudflare.com, norm.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.134

NS records: jean.ns.cloudflare.com, norm.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for physicstutorials.org (unsigned zone)

⏱️ Timing

Total: 338ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.70.21, 172.67.217.240
AAAA22606:4700:3033::6815:4615, 2606:4700:3032::ac43:d9f0
TXT1yandex-verification: 2ba50a3f231eca6d
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.physicstutorials.org has four IP addresses: 104.21.70.21, 172.67.217.240, 2606:4700:3032::ac43:d9f0 and 2606:4700:3033::6815:4615.

Among the host names that share IP numbers with www.physicstutorials.org are ljnet.net, leicestershirelivebusinessawards.co.uk, phwin88-download-apk-latest-version.helpslotwin88.com and two others.