zetcode.com - robtex.com
zetcode.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 164.92.191.90🇩🇪 DIGITALOCEAN164.92.176.0/20 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 | ||||||
| SOA | ns1.digitalocean.comhostmaster@zetcode.com serial=0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785624712 | ||||||
rank #33606 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #251,688
Subdomains
www.zetcode.com |
Same first word
DNS History
12 records (4 active, 8 former)
●NSns1.digitalocean.com2026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 23:18:26
● 2026-08-01 23:17:30
○NSns1.websupport.sk2015-06-09 → 2021-05-18 · 4 obs
● 2021-05-18 12:48:56
○ 2026-02-18 23:18:26
○ 2026-08-01 23:17:30
●NSns2.digitalocean.com2026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 23:18:26
● 2026-08-01 23:17:30
○NSns2.websupport.sk2015-06-09 → 2021-05-18 · 4 obs
● 2021-05-18 12:48:56
○ 2026-02-18 23:18:26
○ 2026-08-01 23:17:30
●NSns3.digitalocean.com2026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 23:18:26
● 2026-08-01 23:17:30
○NSns3.websupport.sk2015-06-09 → 2021-05-18 · 4 obs
● 2021-05-18 12:48:56
○ 2026-02-18 23:18:26
○ 2026-08-01 23:17:30
○MXmailin1.zetcode.com2015-06-09 → 2021-05-18 · 4 obs
● 2021-05-18 12:48:56
○ 2026-02-18 23:18:26
○ 2026-08-01 23:17:30
○MXmailin2.zetcode.com2015-06-09 → 2021-05-18 · 4 obs
● 2021-05-18 12:48:56
○ 2026-02-18 23:18:26
○ 2026-08-01 23:17:30
○MXmailinbackup1.zetcode.com2015-06-09 → 2016-04-26 · 4 obs
● 2016-04-26 17:36:30
○ 2017-01-15 07:39:56
○ 2026-08-01 23:17:30
●A164.92.191.902026-02-18 → 2026-08-01 · 3 obs
● 2026-02-18 23:18:26
● 2026-08-01 23:17:30
○A195.210.29.12015-06-09 → 2015-06-09 · 3 obs
○ 2015-11-03 00:34:38
○ 2026-08-01 23:17:30
○A37.9.175.52015-11-03 → 2021-05-18 · 5 obs
● 2015-11-03 00:34:38
● 2021-05-18 12:48:56
○ 2026-02-18 23:18:26
○ 2026-08-01 23:17:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| zetcode.com | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | 3 records |
✅ Authoritative Response
Server:172.64.49.209
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zetcode.com (unsigned zone)
⏱️ Timing
Total: 142ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.92.191.90 |
| NS | 3 | ns3.digitalocean.com, ns1.digitalocean.com... |
| SOA | 1 | ns1.digitalocean.com hostmaster.zetcode. |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)
Analysis
Hierarchy
zetcode.com is the parent zone for www.zetcode.com.
IP Addresses
zetcode.com resolves to just one IP address, 164.92.191.90.
Name Servers
zetcode.com carries NS records delegating to ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
zetcode.com partially shares its NS delegation with several other domains, including funelo.com, cueblue.com, 71.199.24.in-addr.arpa and two others.
ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com are three hostnames that each resolve to a pair of IP addresses: ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.