critco.lk - robtex.com
critco.lk
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 ⚠️ Not in parent delegation | ||||||
| NS | t.nic.lk | ||||||
| NS | z.nic.lk | ||||||
| SOA | ns.nic.lkhostmaster@nic.lk serial=2020283574 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSrobert.ns.cloudflare.com2026-04-01 → 2026-05-03 · 2 obs
● 2026-05-03 10:00:40
●NSsurina.ns.cloudflare.com2026-04-01 → 2026-05-03 · 2 obs
● 2026-05-03 10:00:40
●MXcritco-lk.mail.protection.outlook.com2026-04-01 → 2026-05-03 · 2 obs
● 2026-05-03 10:00:40
●A104.21.18.1372026-04-01 → 2026-05-03 · 2 obs
● 2026-05-03 10:00:40
●A172.67.182.382026-04-01 → 2026-05-03 · 2 obs
● 2026-05-03 10:00:40
●A2606:4700:3032::ac43:b6262026-04-01 → 2026-05-03 · 2 obs
● 2026-05-03 10:00:40
●A2606:4700:3037::6815:12892026-04-01 → 2026-05-03 · 2 obs
● 2026-05-03 10:00:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lk | d.nic.lk, h.nic.lk, m.nic.lk, p.nic.lk... | 15 records |
| critco.lk | robert.ns.cloudflare.com, surina.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.19
NS records: robert.ns.cloudflare.com, surina.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for critco.lk (unsigned zone)
⏱️ Timing
Total: 1218ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.18.137, 172.67.182.38 |
| AAAA | 2 | 2606:4700:3032::ac43:b626, 2606:4700:3037::6815:1289 |
| NS | 2 | robert.ns.cloudflare.com, surina.ns.cloudflare.com |
| MX | 1 | critco-lk.mail.protection.outlook.com (p |
| TXT | 1 | v=spf1 +ip4:80.241.223.166 +include:spf. |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | robert.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 15
In-bailiwick: 14 (d.nic.lk, h.nic.lk, m.nic.lk...)
Out-of-bailiwick: 1 (pendragon.cs.purdue.edu)
Analysis
IP Addresses
critco.lk maps to four IP numbers: 2606:4700:3032::ac43:b626, 2606:4700:3037::6815:1289, 104.21.18.137 and 172.67.182.38.
Other host names such as mail.bajaepub2.net, fwe.to, turningpointmentalhealth.com, lm018.com and www.plombir-dental.com.ua share IPs with critco.lk.
Name Servers
Two name servers robert.ns.cloudflare.com and surina.ns.cloudflare.com handle the delegation for critco.lk.
critco.lk shares the same name server setup as other domains, for example fullfundscholarship.com, sodocasino.in, getschoolsupplieslist.com, be-it.be and nedelka.dp.ua.
critco.lk at least partially shares name servers with other domains, for example 800hm.com, vspop.org, wynprice.com, vellabox.com and bet-on-redfr.com.
These name servers are often used together with chloe.ns.cloudflare.com and plato.ns.cloudflare.com.
Host names with six IP numbers:
robert.ns.cloudflare.com points to 2606:4700:58::a29f:2c8c, 2803:f800:50::6ca2:c38c, 2a06:98c1:50::ac40:238c, 108.162.195.140, 162.159.44.140 and 172.64.35.140.
surina.ns.cloudflare.com points to 2606:4700:50::a29f:2613, 2803:f800:50::6ca2:c213, 2a06:98c1:50::ac40:2213, 108.162.194.19, 162.159.38.19 and 172.64.34.19.
Mail Servers
The critco-lk.mail.protection.outlook.com mail server handles critco.lk.
Host name critco-lk.mail.protection.outlook.com resolves to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.