howcoder.com - dns.ninja
howcoder.com
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=1792956466 | ||||||
Subdomains
www.howcoder.com |
Same first word
howcoder.com |
Similar names
Previous names
Next names
DNS History
11 records (8 active, 3 former)
●NSns09.domaincontrol.com2026-10-07 → 2026-10-25 · 3 obs
● 2026-10-07 01:16:46
● 2026-10-25 19:57:00
●NSns10.domaincontrol.com2026-10-07 → 2026-10-25 · 3 obs
● 2026-10-07 01:16:46
● 2026-10-25 19:57:00
○NSns19.domaincontrol.com2017-11-12 → 2017-11-12 · 3 obs
○ 2026-10-07 01:16:46
○ 2026-10-25 19:57:00
○NSns20.domaincontrol.com2017-11-12 → 2017-11-12 · 3 obs
○ 2026-10-07 01:16:46
○ 2026-10-25 19:57:00
●MXalt1.aspmx.l.google.com2026-10-07 → 2026-10-25 · 2 obs
● 2026-10-25 19:57:00
●MXalt2.aspmx.l.google.com2026-10-07 → 2026-10-25 · 2 obs
● 2026-10-25 19:57:00
●MXalt3.aspmx.l.google.com2026-10-07 → 2026-10-25 · 2 obs
● 2026-10-25 19:57:00
●MXalt4.aspmx.l.google.com2026-10-07 → 2026-10-25 · 2 obs
● 2026-10-25 19:57:00
●MXaspmx.l.google.com2026-10-07 → 2026-10-25 · 2 obs
● 2026-10-25 19:57:00
○A184.168.221.362017-11-12 → 2017-11-12 · 3 obs
○ 2026-10-07 01:16:46
○ 2026-10-25 19:57:00
●A211.72.213.1932026-10-07 → 2026-10-25 · 3 obs
● 2026-10-07 01:16:46
● 2026-10-25 19:57:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net... | - |
| howcoder.com | ns09.domaincontrol.com, ns10.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.104.5
NS records: ns09.domaincontrol.com, ns10.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 999ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.72.213.193 |
| NS | 2 | ns09.domaincontrol.com, ns10.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 3 | v=spf1 include:dc-aa8e722993._spfm.howco, google-site-verification=MISOFYGbJtS7JCa... |
| SOA | 1 | ns09.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns09.domaincontrol.com, ns09.domaincontrol.com, ns10.domaincontrol.com...)
Analysis
Hierarchy
www.howcoder.com is a subdomain of howcoder.com.
IP Addresses
howcoder.com resolves to one IP address: 211.72.213.193.
ytsys.com and 211-72-213-193.hinet-ip.hinet.net are among other host names that share IP numbers with howcoder.com.
Name Servers
The NS records for howcoder.com delegate to ns09.domaincontrol.com and ns10.domaincontrol.com.
howcoder.com uses the same name servers as several other domains — among them kidshaircutswestminster.com, groupevitae.com, galaxyautoplace.com and two more.
ns09.domaincontrol.com resolves to 97.74.104.5 and 2603:5:2180::5. Likewise, ns10.domaincontrol.com resolves to 173.201.72.5 and 2603:5:2280::5 — two IP addresses apiece.
Mail Servers
Five mail servers handle howcoder.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
howcoder.com has at least partial mail server overlap with other domains such as www.konzept.org, mindbodyandearth.co.uk, debgrant.net and two more.
These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.
Hostnames that resolve to two IP addresses:
The A records for aspmx.l.google.com return 142.250.153.26 and 2a00:1450:4013:c07::1a.
The A records for alt1.aspmx.l.google.com return 192.178.228.26 and 2a00:1450:4025:4403::1a.
The A records for alt2.aspmx.l.google.com return 142.250.147.26 and 2a00:1450:4025:c01::1a.
The A records for alt3.aspmx.l.google.com return 172.253.152.27 and 2a00:1450:4010:c22::1b.
The A records for alt4.aspmx.l.google.com return 192.179.20.26 and 2404:6800:4000:1027::1b.