uck.ac.lk - robtex.com
uck.ac.lk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.185.12.64🇺🇸 ORACLE-OCI-31898192.185.12.0/22 Google | ||||||
| PTR | 192-185-12-64.unifiedlayer.com | ||||||
| NS | dns70.lankahost.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 3.0.53.110🇸🇬 Amazon3.0.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-3-0-53-110.ap-southeast-1.compute.amazonaws.com | ||||||
| NS | dns71.lankahost.net ⚠️ Not in parent delegation | ||||||
| A | 18.130.123.30🇬🇧 Amazon18.130.0.0/16 EC2 LHR prefix | ||||||
| PTR | ec2-18-130-123-30.eu-west-2.compute.amazonaws.com | ||||||
| NS | dns72.lankahost.net ⚠️ Not in parent delegation | ||||||
| A | 203.161.57.127🇺🇸 NAMCHEAP-PH203.161.57.0/24 | ||||||
| PTR | dns72.lankahost.net | ||||||
| NS | ns305.websitewelcome.com ⚠️ Not in zone NS records | ||||||
| A | 192.185.12.60🇺🇸 ORACLE-OCI-31898192.185.12.0/22 Google | ||||||
| PTR | ns305.websitewelcome.com | ||||||
| NS | ns306.websitewelcome.com ⚠️ Not in zone NS records | ||||||
| A | 192.185.12.61🇺🇸 ORACLE-OCI-31898192.185.12.0/22 Google | ||||||
| PTR | ns306.websitewelcome.com | ||||||
| MX | mail.uck.ac.lk ⭐ | ||||||
| A | 192.185.12.64🇺🇸 ORACLE-OCI-31898192.185.12.0/22 Google | ||||||
| PTR | 192-185-12-64.unifiedlayer.com | ||||||
| TXT | v=spf1 a mx include:websitewelcome.com ~all | ||||||
| SOA | dns70.lankahost.netmail@pooranee.com 2026-04-22 #0 | ||||||
ac.lk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2401:dd00:1::189🇱🇰 LEARN-LK2401:dd00::/32 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya | ||||||
| A | 192.248.1.189🇱🇰 LEARN-LK192.248.0.0/22 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya | ||||||
| NS | ns1.ac.lk ⭐ | ||||||
| NS | lk.communitydns.net | ||||||
| NS | ns2.ac.lk | ||||||
| NS | ns3.ac.lk | ||||||
| MX | in-relay-t.ac.lk ⭐ | ||||||
| MX | in-relay.ac.lk(60) | ||||||
| TXT | v=spf1 ~all | ||||||
| TXT | DZC=C8jrxii | ||||||
| TXT | DM-LEARN-27b476d272d499eb24d9ead2a8154d122d18aefefa55b65bf1e06a918949b87f157c... | ||||||
| TXT | google-site-verification=scIkfgjzNOYzCZHpUCUyfrnTkZA5TJwkr4lgCr0XVAw | ||||||
| SOA | ns1.ac.lknoc@learn.ac.lk 2026-07-02 #1 | ||||||
rank #155 in the tld
WOT: SAFE (60/100)
Subdomains
mail.uck.ac.lk |
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
●NSdns70.lankahost.net2026-06-14 → 2026-07-03 · 3 obs
● 2026-06-14 21:57:20
● 2026-07-03 17:53:46
●NSdns71.lankahost.net2026-06-14 → 2026-07-03 · 3 obs
● 2026-06-14 21:57:20
● 2026-07-03 17:53:46
●NSdns72.lankahost.net2026-06-14 → 2026-07-03 · 3 obs
● 2026-06-14 21:57:20
● 2026-07-03 17:53:46
○NSns1.bluehost.com2018-05-20 → 2018-05-20 · 3 obs
○ 2026-06-14 21:57:20
○ 2026-07-03 17:53:46
○NSns2.bluehost.com2018-05-20 → 2018-05-20 · 3 obs
○ 2026-06-14 21:57:20
○ 2026-07-03 17:53:46
●NSns305.websitewelcome.com2026-06-14 → 2026-07-03 · 3 obs
● 2026-06-14 21:57:20
● 2026-07-03 17:53:46
●NSns306.websitewelcome.com2026-06-14 → 2026-07-03 · 3 obs
● 2026-06-14 21:57:20
● 2026-07-03 17:53:46
●MXmail.uck.ac.lk2018-05-20 → 2026-07-03 · 2 obs
● 2026-07-03 17:53:46
●A192.185.12.642026-06-14 → 2026-07-03 · 3 obs
● 2026-06-14 21:57:20
● 2026-07-03 17:53:46
○A66.147.244.1552018-05-20 → 2018-05-20 · 3 obs
○ 2026-06-14 21:57:20
○ 2026-07-03 17:53:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lk | z.nic.lk, t.nic.lk, pendragon.cs.purdue.edu, p.nic.lk... | 15 records |
| ac.lk | ns1.ac.lk, ns2.ac.lk, ns3.ac.lk, lk.communitydns.net | 6 records |
| uck.ac.lk | ns305.websitewelcome.com, ns306.websitewelcome.com | - |
✅ Authoritative Response
Server:192.185.12.61
NS records: ns305.websitewelcome.com, ns306.websitewelcome.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for uck.ac.lk (unsigned zone)
⏱️ Timing
Total: 2334ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.185.12.64 |
| NS | 3 | dns70.lankahost.net, dns71.lankahost.net... |
| MX | 1 | mail.uck.ac.lk (pri: 0) |
| TXT | 1 | v=spf1 a mx include:websitewelcome.com ~ |
| SOA | 1 | dns70.lankahost.net mail.pooranee.com |
📌 Glue Records Collected
Total: 21
In-bailiwick: 20 (ns1.ac.lk, z.nic.lk, t.nic.lk...)
Out-of-bailiwick: 1 (pendragon.cs.purdue.edu)
Analysis
Hierarchy
mail.uck.ac.lk is delegated beneath uck.ac.lk.
IP Addresses
uck.ac.lk resolves to one IP address: 192.185.12.64.
mail.grupomartinezdiaz.com, mail.zfromana.com, thefaithlifeclub.org and two other host names share IP numbers with uck.ac.lk.
Name Servers
uck.ac.lk has five name servers, which are ns305.websitewelcome.com, ns306.websitewelcome.com, dns70.lankahost.net and two others.
There is at least partial name server overlap between uck.ac.lk and other domains — spazioldo.com, insys.lk, mariapublicidad.com and two more among them.
These name servers frequently co-occur with the name servers dns71.lankahost.net and dns72.lankahost.net.
Hosts with just one IP address:
ns305.websitewelcome.com directs to 192.185.12.60.
ns306.websitewelcome.com directs to 192.185.12.61.
dns70.lankahost.net directs to 3.0.53.110.
dns71.lankahost.net directs to 18.130.123.30.
dns72.lankahost.net directs to 203.161.57.127.
Mail Servers
Mail for uck.ac.lk is handled by a single mail server, mail.uck.ac.lk.
mail.uck.ac.lk has exactly one IP number: 192.185.12.64.