mail.openlearn.lk - robtex.com
mail.openlearn.lk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 206.189.155.73🇸🇬 DIGITALOCEAN206.189.144.0/20 DigitalOcean | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| MX | mail.openlearn.lk ⭐ | ||||||
| A | 206.189.155.73🇸🇬 DIGITALOCEAN206.189.144.0/20 DigitalOcean | ||||||
| SOA | ns1.digitalocean.comhostmaster@mail.openlearn.lk serial=0 | ||||||
openlearn.lk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.128.215.146🇸🇬 DIGITALOCEAN178.128.208.0/20 DigitalOcean | ||||||
| NS | ns1.digitalocean.com ⭐ ⚠️ Not in zone NS records | ||||||
| NS | ns2.digitalocean.com ⚠️ Not in zone NS records | ||||||
| NS | ns3.digitalocean.com ⚠️ Not in zone NS records | ||||||
| MX | mail.openlearn.lk ⭐ | ||||||
| SOA | ns1.digitalocean.comhostmaster@openlearn.lk serial=0 | ||||||
PTR for
MX for
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.digitalocean.com2026-02-16 → 2026-06-21 · 2 obs
● 2026-06-21 13:13:40
●MXmail.openlearn.lk2026-02-16 → 2026-06-21 · 2 obs
● 2026-06-21 13:13:40
●A206.189.155.732026-02-16 → 2026-06-21 · 2 obs
● 2026-06-21 13:13:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lk | z.nic.lk, pendragon.cs.purdue.edu, p.nic.lk, t.nic.lk... | 15 records |
| openlearn.lk | ns3.digitalocean.com, ns1.digitalocean.com, ns2.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.49.209
NS records: ns3.digitalocean.com, ns1.digitalocean.com, ns2.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openlearn.lk (unsigned zone)
⏱️ Timing
Total: 2608ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 206.189.155.73 |
| MX | 1 | mail.openlearn.lk (pri: 10) |
| SOA | 1 | ns1.digitalocean.com hostmaster.mail.ope |
📌 Glue Records Collected
Total: 15
In-bailiwick: 14 (ns1.ac.lk, z.nic.lk, t.nic.lk...)
Out-of-bailiwick: 1 (pendragon.cs.purdue.edu)
Analysis
Mail Server Role
mail.openlearn.lk acts as an MX server for mail.openlearn.lk and openlearn.lk.
IP Addresses
mail.openlearn.lk directs to one IP number, which is 206.189.155.73.
Name Servers
mail.openlearn.lk is served by a sole authoritative name server: ns1.digitalocean.com.
mail.openlearn.lk has the same name server delegation as a number of other domains, such as 1.0.0.5.2.3.1.0.0.0.0.0.0.0.0.0.0.2.0.0.1.0.0.0.0.8.8.a.4.0.6.2.ip6.arpa, 1.0.0.e.1.6.2.0.0.0.0.0.0.0.0.0.0.d.0.0.1.0.0.0.0.c.0.b.3.0.a.2.ip6.arpa, 0.0.0.b.6.e.0.0.0.0.0.0.0.0.0.0.0.d.1.0.4.0.0.0.0.8.8.a.4.0.6.2.ip6.arpa and two more.
There is at least partial name server overlap between mail.openlearn.lk and other domains — 1.0.0.8.e.6.d.0.0.0.0.0.0.0.0.0.0.1.0.0.0.0.8.0.0.8.8.a.4.0.6.2.ip6.arpa, forstrom.org, pinprotectorwallets.com and two more among them.
These name servers frequently co-occur with the name servers ns2.digitalocean.com and ns3.digitalocean.com.
ns1.digitalocean.com carries two IP numbers: 172.64.52.210 and 2606:4700:52::ac40:34d2.
Mail Servers
The MX record for mail.openlearn.lk points to a single mail server: mail.openlearn.lk.
mail.openlearn.lk and domains like openlearn.lk share an identical mail server configuration.
mail.openlearn.lk points to one IP number — 206.189.155.73.