sjphysics.lk - robtex.com
sjphysics.lk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:9e95🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:2128🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.33.40Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.158.149🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alexa.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26d7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22d7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 108.162.194.215🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 162.159.38.215Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| A | 172.64.34.215🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alexa.ns.cloudflare.com | ||||||
| NS | margo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c90🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c390🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2390🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 108.162.195.144🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 162.159.44.144Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| A | 172.64.35.144🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margo.ns.cloudflare.com | ||||||
| MX | _dc-mx.cd6aedd59756.sjphysics.lk ⭐ | ||||||
| A | 155.254.26.68🇺🇸 H4Y-TECH155.254.24.0/22 H4Y Technologies LLC | ||||||
| PTR | atlas.webserverlive.com | ||||||
| TXT | v=spf1 +a +mx +ip4:155.254.26.68 include:relay.mailchannels.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.33.40, 172.67.158.149 | ||||||
| IPv6 | 2606:4700:3032::ac43:9e95, 2606:4700:3036::6815:2128 | ||||||
| SOA | alexa.ns.cloudflare.comdns@cloudflare.com serial=2399301878 | ||||||
lk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns.nic.lk ⭐ | ||||||
| NS | d.nic.lk | ||||||
| NS | h.nic.lk | ||||||
| NS | m.nic.lk | ||||||
| NS | ns1.ac.lk | ||||||
| NS | p.nic.lk | ||||||
| NS | pendragon.cs.purdue.edu | ||||||
| NS | t.nic.lk | ||||||
| NS | z.nic.lk | ||||||
| SOA | ns.nic.lkhostmaster@nic.lk serial=2020218860 | ||||||
Subdomains
lms.sjphysics.lk |
Same first word
sjphysics.lk |
DNS History
7 records (7 active, 0 former)
●NSalexa.ns.cloudflare.com2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 05:23:06
●NSmargo.ns.cloudflare.com2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 05:23:06
●MX_dc-mx.cd6aedd59756.sjphysics.lk2026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 05:23:06
●A104.21.33.402026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 05:23:06
●A172.67.158.1492026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 05:23:06
●A2606:4700:3032::ac43:9e952026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 05:23:06
●A2606:4700:3036::6815:21282026-03-19 → 2026-03-28 · 2 obs
● 2026-03-28 05:23:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lk | d.nic.lk, h.nic.lk, m.nic.lk, p.nic.lk... | 15 records |
| sjphysics.lk | margo.ns.cloudflare.com, alexa.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.144
NS records: margo.ns.cloudflare.com, alexa.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sjphysics.lk (unsigned zone)
⏱️ Timing
Total: 854ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.33.40, 172.67.158.149 |
| AAAA | 2 | 2606:4700:3032::ac43:9e95, 2606:4700:3036::6815:2128 |
| NS | 2 | alexa.ns.cloudflare.com, margo.ns.cloudflare.com |
| MX | 1 | _dc-mx.cd6aedd59756.sjphysics.lk (pri: 0 |
| TXT | 1 | v=spf1 +a +mx +ip4:155.254.26.68 include |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alexa.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 15
In-bailiwick: 14 (d.nic.lk, d.nic.lk, h.nic.lk...)
Out-of-bailiwick: 1 (pendragon.cs.purdue.edu)
Analysis
Hierarchy
sjphysics.lk is parent of lms.sjphysics.lk.
IP Addresses
sjphysics.lk points to four IP numbers: 2606:4700:3032::ac43:9e95, 2606:4700:3036::6815:2128, 104.21.33.40 and 172.67.158.149.
Other host names, for instance cagp.co.uk, soinhacai.com, lorientavexa.com, ggbzc.com and lbstubes.com share IP numbers with sjphysics.lk.
Name Servers
sjphysics.lk's delegation is to two name servers alexa.ns.cloudflare.com and margo.ns.cloudflare.com.
sjphysics.lk shares the same name server configuration as other domains, such as liarasin3.shop, cumminsenginespecialists.co.uk, gmvehiclesales.co.uk, fivx.de and 0madshouaut.top.
sjphysics.lk at least partially shares its name servers with other domains, for instance theliftedbrow.com, longlakecampadventures.com, zuixinshuangseqiukaijiangzou(0x73686974)u.cn, soltan-mohammadi41912890.workers.dev and jiebaozuqiubifenzhibo.cn.
These name servers are commonly used alongside yisroel.ns.cloudflare.com and norman.ns.cloudflare.com.
Host names with six IP numbers:
alexa.ns.cloudflare.com points to: 2606:4700:50::a29f:26d7, 2803:f800:50::6ca2:c2d7, 2a06:98c1:50::ac40:22d7, 108.162.194.215, 162.159.38.215 and 172.64.34.215.
margo.ns.cloudflare.com points to: 2606:4700:58::a29f:2c90, 2803:f800:50::6ca2:c390, 2a06:98c1:50::ac40:2390, 108.162.195.144, 162.159.44.144 and 172.64.35.144.
Mail Servers
sjphysics.lk is served by a single mail server, _dc-mx.cd6aedd59756.sjphysics.lk.
_dc-mx.cd6aedd59756.sjphysics.lk points to IP number 155.254.26.68.