topcode.rs - dns.ninja
topcode.rs
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.76.86.103🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | webserver.topcodesoft.com | ||||||
| NS | ns1.digitalocean.com ⭐ ⚠️ Not in parent delegation | ||||||
| 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 | dagda1.isp.telekom.rs | ||||||
| A | 212.200.191.150🇷🇸 TELEKOM-AS212.200.128.0/18 TELEKOM-SRBIJA Telekom Srbija Internet Backbone Network | ||||||
| PTR | dagda1.isp.telekom.rs | ||||||
| NS | dagda2.isp.telekom.rs | ||||||
| A | 212.200.190.150🇷🇸 TELEKOM-AS212.200.128.0/18 TELEKOM-SRBIJA Telekom Srbija Internet Backbone Network | ||||||
| PTR | dagda2.isp.telekom.rs | ||||||
| NS | ns2.digitalocean.com ⚠️ Not in parent delegation | ||||||
| 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 ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
| MX | mailgw.mts.rs ⭐ | ||||||
| A | 212.200.12.5🇷🇸 TELEKOM-AS212.200.12.0/23 | ||||||
| PTR | mailgw.mts.rs | ||||||
| PTR | mailgw.open.telekom.rs | ||||||
| TXT | google-site-verification=PdYuXk4loUGLb1gs-s6p57BAnQPXa3fQMQTviqvQNKM | ||||||
| TXT | v=spf1 ip4:212.200.12.0/24 ip4:144.76.86.103 +a +mx ~all | ||||||
| SOA | ns1.digitalocean.comdejan@topcode.rs 2026-05-05 #5 | ||||||
rs
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.rs ⭐ | ||||||
| NS | b.nic.rs | ||||||
| NS | c.nic.rs | ||||||
| NS | f.nic.rs | ||||||
| NS | h.nic.rs | ||||||
| NS | l.nic.rs | ||||||
| TXT | rs zone update: 2026-06-30 22:00:03 +02:00 (EPOCH 1782849603) | ||||||
| SOA | a.nic.rshostmaster@nic.rs 2026-06-30 #47 | ||||||
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
●NSdagda1.isp.telekom.rs2015-06-13 → 2026-06-30 · 2 obs
● 2026-06-30 20:36:08
●NSdagda2.isp.telekom.rs2015-06-13 → 2026-06-30 · 2 obs
● 2026-06-30 20:36:08
●NSns1.digitalocean.com2026-02-27 → 2026-06-30 · 3 obs
● 2026-02-27 19:04:38
● 2026-06-30 20:36:08
●NSns2.digitalocean.com2026-02-27 → 2026-06-30 · 3 obs
● 2026-02-27 19:04:38
● 2026-06-30 20:36:08
●NSns3.digitalocean.com2026-02-27 → 2026-06-30 · 3 obs
● 2026-02-27 19:04:38
● 2026-06-30 20:36:08
○MXmail.topcode.rs2015-06-13 → 2016-12-30 · 4 obs
● 2016-12-30 04:35:18
○ 2026-02-27 19:04:38
○ 2026-06-30 20:36:08
●MXmailgw.mts.rs2026-02-27 → 2026-06-30 · 3 obs
● 2026-02-27 19:04:38
● 2026-06-30 20:36:08
●A144.76.86.1032026-02-27 → 2026-06-30 · 3 obs
● 2026-02-27 19:04:38
● 2026-06-30 20:36:08
○A5.9.103.302015-06-13 → 2016-12-30 · 4 obs
● 2016-12-30 04:35:18
○ 2026-02-27 19:04:38
○ 2026-06-30 20:36:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| rs | f.nic.rs, h.nic.rs, a.nic.rs, c.nic.rs... | 12 records |
| topcode.rs | dagda2.isp.telekom.rs, dagda1.isp.telekom.rs | - |
✅ Authoritative Response
Server:212.200.191.150
NS records: dagda2.isp.telekom.rs, dagda1.isp.telekom.rs
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topcode.rs (unsigned zone)
⏱️ Timing
Total: 946ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.76.86.103 |
| NS | 5 | dagda1.isp.telekom.rs, dagda2.isp.telekom.rs... |
| MX | 1 | mailgw.mts.rs (pri: 0) |
| TXT | 2 | v=spf1 ip4:212.200.12.0/24 ip4:144.76.86, google-site-verification=PdYuXk4loUGLb1g |
| SOA | 1 | ns1.digitalocean.com dejan.topcode.rs |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (f.nic.rs, f.nic.rs, h.nic.rs...)
Analysis
IP Addresses
topcode.rs resolves to just one IP address, 144.76.86.103.
Two other host names, along with topcodesoft.com, webserver.topcodesoft.com and detailingoprema.rs, also share IP numbers with topcode.rs.
Name Servers
topcode.rs delegates to five name servers: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com and two others.
There is at least partial name server overlap between topcode.rs and other domains — valorin.com, 1.0.0.2.2.b.7.1.0.0.0.0.0.0.0.0.0.d.0.0.0.0.4.0.0.8.8.a.4.0.6.2.ip6.arpa, alstertouch.de and two more among them.
These name servers frequently co-occur with the name servers dagda1.isp.telekom.rs and dagda2.isp.telekom.rs.
Host names that have two IP addresses:
ns1.digitalocean.com maps to two IP addresses — 172.64.52.210 and 2606:4700:52::ac40:34d2.
ns2.digitalocean.com maps to two IP addresses — 172.64.53.21 and 2606:4700:5a::ac40:3515.
ns3.digitalocean.com maps to two IP addresses — 172.64.49.209 and 2606:4700:52::ac40:31d1.
Host names that point to one IP address:
dagda1.isp.telekom.rs points to the IP address 212.200.191.150.
dagda2.isp.telekom.rs points to the IP address 212.200.190.150.
Mail Servers
The sole mail server for topcode.rs is mailgw.mts.rs.
Among the domains sharing a mail server setup with topcode.rs are gombit.com, duga.co.rs, od-ju.rs and two others.
There is at least a partial MX overlap between topcode.rs and other domains, including krunic.org, com-4t.rs, toplifikacija.rs and two others.
There is one IP number for mailgw.mts.rs: 212.200.12.5.