cemtra.org - robtex.com
cemtra.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.198.155.237🇺🇸 DIGITALOCEAN143.198.144.0/20 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 | ||||||
| NS | ns2.digitalocean.com | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| TXT | v=spf1 a mx include:_spf.elasticemail.com ~all | ||||||
| SOA | ns1.digitalocean.comhostmaster@cemtra.org serial=0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784563504 | ||||||
Previously MX for
cemtra.org |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSa.dns.gandi.net2016-04-13 → 2017-01-02 · 4 obs
● 2017-01-02 23:44:50
○ 2026-05-10 17:08:40
○ 2026-07-20 16:21:10
○NSb.dns.gandi.net2016-04-13 → 2017-01-02 · 4 obs
● 2017-01-02 23:44:50
○ 2026-05-10 17:08:40
○ 2026-07-20 16:21:10
○NSc.dns.gandi.net2016-04-13 → 2017-01-02 · 4 obs
● 2017-01-02 23:44:50
○ 2026-05-10 17:08:40
○ 2026-07-20 16:21:10
●NSns1.digitalocean.com2026-05-10 → 2026-07-20 · 3 obs
● 2026-05-10 17:08:40
● 2026-07-20 16:21:10
●NSns2.digitalocean.com2026-05-10 → 2026-07-20 · 3 obs
● 2026-05-10 17:08:40
● 2026-07-20 16:21:10
●NSns3.digitalocean.com2026-05-10 → 2026-07-20 · 3 obs
● 2026-05-10 17:08:40
● 2026-07-20 16:21:10
○MXcemtra.org2016-04-13 → 2017-01-02 · 4 obs
● 2017-01-02 23:44:50
○ 2026-05-10 17:08:40
○ 2026-07-20 16:21:10
●A143.198.155.2372026-05-10 → 2026-07-20 · 3 obs
● 2026-05-10 17:08:40
● 2026-07-20 16:21:10
○A209.163.151.1102016-04-13 → 2017-01-02 · 4 obs
● 2017-01-02 23:44:50
○ 2026-05-10 17:08:40
○ 2026-07-20 16:21:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| cemtra.org | ns3.digitalocean.com, ns1.digitalocean.com, ns2.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns3.digitalocean.com, ns1.digitalocean.com, ns2.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cemtra.org (unsigned zone)
⏱️ Timing
Total: 455ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.198.155.237 |
| NS | 3 | ns3.digitalocean.com, ns2.digitalocean.com... |
| TXT | 1 | v=spf1 a mx include:_spf.elasticemail.co |
| SOA | 1 | ns1.digitalocean.com hostmaster.cemtra.o |
Analysis
IP Addresses
cemtra.org resolves to one IP address: 143.198.155.237.
Name Servers
cemtra.org has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
The name servers of cemtra.org overlap at least partially with those of other domains — among them ridegobus.com, moovio.com, globaltech.co.th and two more.
Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.