knotphysics.net - robtex.com
knotphysics.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:b72a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:43f1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.67.241Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.183.42🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amanda.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| NS | koa.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cf2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3f2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23f2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 108.162.195.242🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 162.159.44.242Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 172.64.35.242🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| TXT | google-site-verification=XRg68B7zwj7JpgtM6kxB167PZiGTetWr0zzx8dKGAes | ||||||
| TXT | v=spf1 a mx include:websitewelcome.com ~all | ||||||
| TXT | v=spf1 include:_spf.google.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.67.241, 172.67.183.42 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:b72a, 2606:4700:3037::6815:43f1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=166, name=cloudflare-ech.com | ||||||
| SOA | amanda.ns.cloudflare.comdns@cloudflare.com serial=2397287413 | ||||||
net
| 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.netnstld@verisign-grs.com serial=1776175032 | ||||||
Same first word
knotphysics.net |
knotphysics.com |
DNS History
22 records (6 active, 16 former)
●NSamanda.ns.cloudflare.com2026-02-17 → 2026-04-14 · 3 obs
○ 2017-03-15 08:15:52
● 2026-02-17 22:39:28
● 2026-04-14 14:23:10
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○NShidden-master.yahoo.com2015-06-26 → 2017-03-15 · 4 obs
● 2015-06-26 22:39:04
● 2017-03-15 08:15:52
○ 2026-02-17 22:39:28
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● 2017-03-15 08:15:52
○ 2026-02-17 22:39:28
○ 2026-04-14 14:23:10
●NSkoa.ns.cloudflare.com2026-02-17 → 2026-04-14 · 3 obs
○ 2017-03-15 08:15:52
● 2026-02-17 22:39:28
● 2026-04-14 14:23:10
● 2026-02-17 22:39:28
● 2026-04-14 14:23:10
○NSyns1.yahoo.com2015-06-26 → 2017-03-15 · 4 obs
● 2015-06-26 22:39:04
● 2017-03-15 08:15:52
○ 2026-02-17 22:39:28
○ 2026-04-14 14:23:10
● 2017-03-15 08:15:52
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○NSyns2.yahoo.com2015-06-26 → 2017-03-15 · 4 obs
● 2015-06-26 22:39:04
● 2017-03-15 08:15:52
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● 2017-03-15 08:15:52
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○MXmx-biz.mail.am0.yahoodns.net2015-06-26 → 2017-03-15 · 4 obs
● 2015-06-26 22:39:04
● 2017-03-15 08:15:52
○ 2026-02-17 22:39:28
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● 2017-03-15 08:15:52
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●A104.21.67.2412026-02-17 → 2026-04-14 · 50 obs
○ 2017-03-15 08:15:52
● 2026-02-17 22:39:28
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○A172.64.80.12026-03-02 → 2026-03-02 · 4 obs
○ 2026-03-02 00:47:58
● 2026-03-02 09:10:44
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●A172.67.183.422026-02-17 → 2026-04-14 · 50 obs
○ 2017-03-15 08:15:52
● 2026-02-17 22:39:28
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○A188.114.96.02026-02-18 → 2026-03-15 · 59 obs
○ 2026-02-17 22:39:28
● 2026-02-18 03:49:52
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○A188.114.96.42026-02-19 → 2026-03-04 · 14 obs
○ 2026-02-19 06:31:28
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○A188.114.97.02026-02-18 → 2026-03-15 · 59 obs
○ 2026-02-17 22:39:28
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○ 2026-04-14 14:23:10
○A188.114.97.42026-02-19 → 2026-03-04 · 14 obs
○ 2026-02-19 06:31:28
● 2026-02-19 18:10:44
○ 2026-02-19 18:46:26
○ 2026-02-28 06:54:50
● 2026-02-28 10:51:28
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○ 2026-04-14 14:23:10
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-24 → 2026-03-02 · 7 obs
○ 2026-02-24 16:25:56
● 2026-02-24 18:01:26
○ 2026-02-25 04:36:22
○ 2026-03-02 00:47:58
● 2026-03-02 09:10:44
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○ 2026-03-02 11:56:16
○ 2026-04-14 14:23:10
●A2606:4700:3030::ac43:b72a2026-02-17 → 2026-04-14 · 47 obs
○ 2017-03-15 08:15:52
● 2026-02-17 22:39:28
○ 2026-02-18 03:49:52
○ 2026-02-18 10:39:10
● 2026-02-19 05:55:08
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●A2606:4700:3037::6815:43f12026-02-17 → 2026-04-14 · 47 obs
○ 2017-03-15 08:15:52
● 2026-02-17 22:39:28
○ 2026-02-18 03:49:52
○ 2026-02-18 10:39:10
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○A2a06:98c1:3120::2026-02-18 → 2026-03-15 · 50 obs
○ 2026-02-17 22:39:28
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○ 2026-03-15 21:53:54
○ 2026-04-14 14:23:10
○A2a06:98c1:3120::42026-02-19 → 2026-03-04 · 22 obs
○ 2026-02-19 05:55:08
● 2026-02-19 06:31:28
● 2026-02-19 18:10:44
○ 2026-02-19 18:46:26
○ 2026-02-24 00:36:32
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○ 2026-03-04 09:39:48
○ 2026-04-14 14:23:10
○A2a06:98c1:3121::2026-02-18 → 2026-03-15 · 50 obs
○ 2026-02-17 22:39:28
● 2026-02-18 03:49:52
● 2026-02-18 10:39:10
○ 2026-02-19 05:55:08
○ 2026-02-19 18:10:44
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● 2026-03-15 19:06:14
○ 2026-03-15 21:53:54
○ 2026-04-14 14:23:10
○A2a06:98c1:3121::42026-02-19 → 2026-03-04 · 22 obs
○ 2026-02-19 05:55:08
● 2026-02-19 06:31:28
● 2026-02-19 18:10:44
○ 2026-02-19 18:46:26
○ 2026-02-24 00:36:32
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● 2026-02-28 06:54:50
● 2026-02-28 10:51:28
○ 2026-02-28 16:35:54
○ 2026-03-02 11:56:16
● 2026-03-02 16:23:20
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○ 2026-03-04 01:58:50
● 2026-03-04 04:30:16
○ 2026-03-04 09:39:48
○ 2026-04-14 14:23:10
● 2026-02-19 06:31:28
● 2026-02-19 18:10:44
○ 2026-02-19 18:46:26
○ 2026-02-24 00:36:32
● 2026-02-24 04:20:54
● 2026-02-24 16:25:56
○ 2026-02-24 18:01:26
○ 2026-02-26 14:52:10
● 2026-02-26 16:10:48
○ 2026-02-26 18:19:56
○ 2026-02-27 22:41:52
● 2026-02-28 06:54:50
● 2026-02-28 10:51:28
○ 2026-02-28 16:35:54
○ 2026-03-02 11:56:16
● 2026-03-02 16:23:20
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○ 2026-03-04 01:58:50
● 2026-03-04 04:30:16
○ 2026-03-04 09:39:48
○ 2026-04-14 14:23:10
○A67.195.61.462015-11-17 → 2017-03-15 · 5 obs
○ 2015-06-26 22:39:04
● 2015-11-17 11:54:20
● 2017-03-15 08:15:52
○ 2026-02-17 22:39:28
○ 2026-04-14 14:23:10
● 2015-11-17 11:54:20
● 2017-03-15 08:15:52
○ 2026-02-17 22:39:28
○ 2026-04-14 14:23:10
○A98.136.187.132015-06-26 → 2015-06-26 · 3 obs
● 2015-06-26 22:39:04
○ 2015-11-17 11:54:20
○ 2026-04-14 14:23:10
○ 2015-11-17 11:54:20
○ 2026-04-14 14:23:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | g.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| knotphysics.net | amanda.ns.cloudflare.com, koa.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.63
NS records: amanda.ns.cloudflare.com, koa.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knotphysics.net (unsigned zone)
⏱️ Timing
Total: 548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.67.241, 172.67.183.42 |
| AAAA | 2 | 2606:4700:3037::6815:43f1, 2606:4700:3030::ac43:b72a |
| NS | 2 | amanda.ns.cloudflare.com, koa.ns.cloudflare.com |
| TXT | 3 | google-site-verification=XRg68B7zwj7Jpgt, v=spf1 a mx include:websitewelcome.com ~... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amanda.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
knotphysics.net resolves to four IP numbers: 2606:4700:3030::ac43:b72a, 2606:4700:3037::6815:43f1, 104.21.67.241 and 172.67.183.42.
Other host names such as digitallearning.be, creamotion.fr, iicp.at, wimax.com.br and readhaikyuu.com share IPs with knotphysics.net.
Name Servers
knotphysics.net is delegated to two name servers: amanda.ns.cloudflare.com and koa.ns.cloudflare.com.
knotphysics.net shares the same name server setup as tekaido.com, idnity.com, ultrasince.xyz, victoryplasma.com and cellfservices.com.
knotphysics.net at least partially shares name servers with other domains, for instance vemcount.ae, testonline.az, cyberpraxis.pro, kutub.best and aversvet.ru.
Host names with six IP numbers:
amanda.ns.cloudflare.com points to 2606:4700:50::adf5:3a3f, 2803:f800:50::6ca2:c03f, 2a06:98c1:50::ac40:203f, 108.162.192.63, 172.64.32.63 and 173.245.58.63.
koa.ns.cloudflare.com points to 2606:4700:58::a29f:2cf2, 2803:f800:50::6ca2:c3f2, 2a06:98c1:50::ac40:23f2, 108.162.195.242, 162.159.44.242 and 172.64.35.242.