highcoder.com - dns.ninja

highcoder.com

DNSSEC⚠️ Not signed
A62.171.174.59🇩🇪 CONTABO62.171.174.0/23
PTRvmi3195950.contaboserver.net
NSns1.contabo.net ⭐
A2a02:c207:ff00:1200::1🇩🇪 CONTABO2a02:c207::/32
A5.180.150.13🇺🇸 CONTABO5.180.150.0/24
PTRns1.contabo.net
NSns2.contabo.net
A2a02:c202:5028:1200::1🇩🇪 CONTABO2a02:c202::/32
A195.179.224.10🇩🇪 CONTABO195.179.224.0/21
PTRns2.contabo.net
NSns3.contabo.net ⚠️ Not in parent delegation
A2605:a140:5028:1200::1🇺🇸 CONTABO-USA2605:a140::/32 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States
A209.126.15.15🇺🇸 CONTABO-USA209.126.0.0/20 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States
PTRns3.contabo.net
MXmail.highcoder.com ⭐
A62.171.174.59🇩🇪 CONTABO62.171.174.0/23
PTRvmi3195950.contaboserver.net
SOAns1.contabo.nethostmaster@contabo.de serial=1783741149

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783740707

Subdomains

mail.highcoder.com

Same first word

highcoder.com

Similar names

credohigh.org

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSns1.contabo.netns2.contabo.netns3.contabo.netns1.ipage.comns119.ehosts.comns120.ehosts.comns2.ipage.comns5.kasserver.comns6.kasserver.comMXmail.highcoder.commx.highcoder.comA62.171.174.59108.167.160.63164.68.108.2866.96.149.185.13.134.217
●NSns1.contabo.net2026-03-14 → 2026-07-11 · 3 obs
○ 2017-01-10 14:06:24
● 2026-03-14 01:52:00
● 2026-07-11 03:39:10
○NSns1.ipage.com2016-02-23 → 2016-05-06 · 5 obs
○ 2015-11-21 05:01:12
● 2016-02-23 22:03:24
● 2016-05-06 09:06:10
○ 2017-01-10 14:06:24
○ 2026-07-11 03:39:10
○NSns119.ehosts.com2017-01-10 → 2017-01-10 · 4 obs
○ 2016-05-06 09:06:10
● 2017-01-10 14:06:24
○ 2026-03-14 01:52:00
○ 2026-07-11 03:39:10
○NSns120.ehosts.com2017-01-10 → 2017-01-10 · 4 obs
○ 2016-05-06 09:06:10
● 2017-01-10 14:06:24
○ 2026-03-14 01:52:00
○ 2026-07-11 03:39:10
●NSns2.contabo.net2026-03-14 → 2026-07-11 · 3 obs
○ 2017-01-10 14:06:24
● 2026-03-14 01:52:00
● 2026-07-11 03:39:10
○NSns2.ipage.com2016-02-23 → 2016-05-06 · 5 obs
○ 2015-11-21 05:01:12
● 2016-02-23 22:03:24
● 2016-05-06 09:06:10
○ 2017-01-10 14:06:24
○ 2026-07-11 03:39:10
●NSns3.contabo.net2026-03-14 → 2026-07-11 · 3 obs
○ 2017-01-10 14:06:24
● 2026-03-14 01:52:00
● 2026-07-11 03:39:10
○NSns5.kasserver.com2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 22:52:00
○ 2015-11-21 05:01:12
○ 2026-07-11 03:39:10
○NSns6.kasserver.com2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 22:52:00
○ 2015-11-21 05:01:12
○ 2026-07-11 03:39:10
●MXmail.highcoder.com2015-07-18 → 2026-07-11 · 4 obs
● 2015-07-18 22:52:00
○ 2015-11-21 05:01:12
● 2017-01-10 14:06:24
● 2026-07-11 03:39:10
○MXmx.highcoder.com2016-02-23 → 2016-05-06 · 5 obs
○ 2015-11-21 05:01:12
● 2016-02-23 22:03:24
● 2016-05-06 09:06:10
○ 2017-01-10 14:06:24
○ 2026-07-11 03:39:10
○A108.167.160.632017-01-10 → 2017-01-10 · 4 obs
○ 2016-05-06 09:06:10
● 2017-01-10 14:06:24
○ 2026-03-14 01:52:00
○ 2026-07-11 03:39:10
○A164.68.108.282026-03-14 → 2026-03-26 · 5 obs
○ 2017-01-10 14:06:24
● 2026-03-14 01:52:00
● 2026-03-26 13:11:02
○ 2026-04-07 17:48:16
○ 2026-07-11 03:39:10
●A62.171.174.592026-04-07 → 2026-07-11 · 3 obs
○ 2026-03-26 13:11:02
● 2026-04-07 17:48:16
● 2026-07-11 03:39:10
○A66.96.149.12016-02-23 → 2016-05-06 · 5 obs
○ 2015-11-21 05:01:12
● 2016-02-23 22:03:24
● 2016-05-06 09:06:10
○ 2017-01-10 14:06:24
○ 2026-07-11 03:39:10
○A85.13.134.2172015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 22:52:00
○ 2015-11-21 05:01:12
○ 2026-07-11 03:39:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
highcoder.comns1.contabo.net, ns2.contabo.net-

✅ Authoritative Response

Server:195.179.224.10

NS records: ns1.contabo.net, ns2.contabo.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for highcoder.com (unsigned zone)

⏱️ Timing

Total: 1106ms | Queries: -

📄 Records

TypeCountSample Data
A162.171.174.59
NS3ns1.contabo.net, ns2.contabo.net...
MX1mail.highcoder.com (pri: 10)
SOA1ns1.contabo.net hostmaster.contabo.de

Analysis

Hierarchy

The domain mail.highcoder.com falls under the parent highcoder.com.

IP Addresses

highcoder.com resolves to one IP address: 62.171.174.59.

mail.highcoder.com, for instance, is one of the other host names sharing IP numbers with highcoder.com.

Name Servers

The authoritative name servers for highcoder.com are ns1.contabo.net, ns2.contabo.net and ns3.contabo.net — three in total.

At least some of highcoder.com's name servers are shared with other domains, for example 244.239.85.in-addr.arpa, 53.117.89.in-addr.arpa, oxadel.net and two more.

ns1.contabo.net, ns2.contabo.net and ns3.contabo.net all resolve to exactly two IP numbers apiece: ns1.contabo.net → 5.180.150.13 and 2a02:c207:ff00:1200::1; ns2.contabo.net → 195.179.224.10 and 2a02:c202:5028:1200::1; ns3.contabo.net → 209.126.15.15 and 2605:a140:5028:1200::1.

Mail Servers

Mail for highcoder.com is handled by a single mail server, mail.highcoder.com.

mail.highcoder.com directs to just one IP number, 62.171.174.59.