hackerank.com - robtex.com
hackerank.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=1774431112 | ||||||
Same first word
hackerank.com |
Similar names
DNS History
17 records (10 active, 7 former)
○NSns-102.awsdns-12.com2015-07-13 → 2017-12-03 · 4 obs
● 2017-12-03 11:50:04
○ 2026-02-16 06:01:30
○ 2026-03-25 09:38:08
○NSns-1515.awsdns-61.org2015-07-13 → 2017-12-03 · 4 obs
● 2017-12-03 11:50:04
○ 2026-02-16 06:01:30
○ 2026-03-25 09:38:08
○NSns-1692.awsdns-19.co.uk2015-07-13 → 2017-12-03 · 4 obs
● 2017-12-03 11:50:04
○ 2026-02-16 06:01:30
○ 2026-03-25 09:38:08
○NSns-825.awsdns-39.net2015-07-13 → 2017-12-03 · 4 obs
● 2017-12-03 11:50:04
○ 2026-02-16 06:01:30
○ 2026-03-25 09:38:08
●NSns1.name.com2026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 06:01:30
● 2026-03-25 09:38:08
●NSns1stv.name.com2026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 06:01:30
● 2026-03-25 09:38:08
●NSns2jqz.name.com2026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 06:01:30
● 2026-03-25 09:38:08
●NSns3cgw.name.com2026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 06:01:30
● 2026-03-25 09:38:08
●NSns4cfn.name.com2026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 06:01:30
● 2026-03-25 09:38:08
●MXalt1.aspmx.l.google.com2015-07-13 → 2026-03-25 · 2 obs
● 2026-03-25 09:38:08
●MXalt2.aspmx.l.google.com2015-07-13 → 2026-03-25 · 2 obs
● 2026-03-25 09:38:08
●MXalt3.aspmx.l.google.com2026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 06:01:30
● 2026-03-25 09:38:08
●MXalt4.aspmx.l.google.com2026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 06:01:30
● 2026-03-25 09:38:08
●MXaspmx.l.google.com2015-07-13 → 2026-03-25 · 2 obs
● 2026-03-25 09:38:08
○MXaspmx2.googlemail.com2015-07-13 → 2017-12-03 · 4 obs
● 2017-12-03 11:50:04
○ 2026-02-16 06:01:30
○ 2026-03-25 09:38:08
○MXaspmx3.googlemail.com2015-07-13 → 2017-12-03 · 4 obs
● 2017-12-03 11:50:04
○ 2026-02-16 06:01:30
○ 2026-03-25 09:38:08
○A74.207.232.1462015-07-13 → 2026-02-16 · 4 obs
● 2026-02-16 06:01:30
○ 2026-02-20 16:18:24
○ 2026-03-25 09:38:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| hackerank.com | ns1stv.name.com, ns2jqz.name.com, ns3cgw.name.com, ns4cfn.name.com | 8 records |
✅ Authoritative Response
Server:163.114.216.17
NS records: ns1stv.name.com, ns2jqz.name.com, ns3cgw.name.com, ns4cfn.name.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hackerank.com (unsigned zone)
⏱️ Timing
Total: 120ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1stv.name.com, ns2jqz.name.com... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | google-site-verification=Qzw99J33HboQGGt, v=spf1 include:_spf.google.com -all |
| SOA | 1 | ns1.name.com hostmaster.nsone.net |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1stv.name.com, ns1stv.name.com, ns2jqz.name.com...)
Analysis
Name Servers
hackerank.com delegates to five name servers: ns1.name.com, ns1stv.name.com, ns2jqz.name.com, ns3cgw.name.com and ns4cfn.name.com.
hackerank.com shares some name servers with other domains, for example moowin.com, sedition.in, polos-bedrukken.nl, kamariarose.com and tecnogg.com.
these name servers are often used with ns2kqz.name.com, ns3jnr.name.com, ns1kpv.name.com, ns1dhl.name.com, ns1cnb.name.com, ns3cna.name.com, ns4htz.name.com, ns4dls.name.com, ns1fkl.name.com and ns1bqx.name.com.
Host names with two IP numbers:
ns1.name.com points to 2a00:edc0:107::1 and 163.114.216.17
ns1stv.name.com points to 2a00:edc0:107::1 and 163.114.216.17
ns2jqz.name.com points to 2402:cf80:107::1 and 163.114.216.49
ns3cgw.name.com points to 2a00:edc0:107::49 and 163.114.217.17
ns4cfn.name.com points to 2402:cf80:107::49 and 163.114.217.49
Host names pointing to 2a00:edc0:107::1: ns1.name.com and ns1stv.name.com
Host names pointing to 163.114.216.17: ns1.name.com and ns1stv.name.com
Mail Servers
hackerank.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
hackerank.com shares some mail servers with other domains, at least partially; for instance annebradylisws.com, ns500731.ns500671.ns500731.ns500754.ns500731.ns500742.ns500671.ns500671.ns500671.ns500688.ns500649.ns500291.ns500131.lustychickser.com, ns500693.ns500699.ns500699.ns500699.ns500699.ns500699.ns500699.ns500699.ns500699.ns500699.ns500588.ns500588.ns500699.ns500612.ns500632.ns500110.dtrkdll.com, ns500742.ns500742.ns500671.ns500754.ns500731.ns500731.ns500704.ns500671.ns500704.ns500671.ns500649.ns500291.ns500649.ns500291.ns500666.tenderladiesbz.com and ns500765.ns500699.ns500693.ns500699.ns500699.ns500734.ns500728.ns500699.ns500588.ns500693.ns500588.ns500699.ns500588.dtrkdll.com.
these mail servers are often used together with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IPs:
Host aspmx.l.google.com has IPs 2607:f8b0:4023:c06::1a and 142.250.101.27.
Host alt1.aspmx.l.google.com has IPs 2607:f8b0:4023:2801::1b and 192.178.128.26.
Host alt2.aspmx.l.google.com has IPs 2607:f8b0:4023:1015::1b and 172.253.135.27.
Host alt3.aspmx.l.google.com has IPs 2a00:1450:4001:c21::1b and 142.251.127.27.
Host alt4.aspmx.l.google.com has IPs 2607:f8b0:4003:c4a::1a and 142.251.96.26.