herokuapp.net - robtex.com

herokuapp.net

DNSSEC⚠️ Not signed
NSns1.xserver.jp ⚠️ Not in zone NS records
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
NSns2.xserver.jp ⚠️ Not in zone NS records
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
NSns3.xserver.jp ⚠️ Not in zone NS records
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
NSns4.xserver.jp ⚠️ Not in zone NS records
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
NSns5.xserver.jp ⚠️ Not in zone NS records
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.

net

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=1784734592

Same first word

herokuapp.com
herokuapp.co
herokuapp.net

Similar names

heroukapp.com
herokaupp.com

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns4.dnsauthority.comns5.dnsauthority.comMXmail.hope-mail.comA146.148.34.12554.210.47.225
●NSns1.xserver.jp2026-03-24 → 2026-07-22 · 3 obs
○ 2017-02-19 16:54:46
● 2026-03-24 21:11:20
● 2026-07-22 16:03:46
●NSns2.xserver.jp2026-03-24 → 2026-07-22 · 3 obs
○ 2017-02-19 16:54:46
● 2026-03-24 21:11:20
● 2026-07-22 16:03:46
●NSns3.xserver.jp2026-03-24 → 2026-07-22 · 3 obs
○ 2017-02-19 16:54:46
● 2026-03-24 21:11:20
● 2026-07-22 16:03:46
○NSns4.dnsauthority.com2015-07-10 → 2017-02-19 · 4 obs
● 2015-07-10 14:34:32
● 2017-02-19 16:54:46
○ 2026-03-24 21:11:20
○ 2026-07-22 16:03:46
●NSns4.xserver.jp2026-03-24 → 2026-07-22 · 3 obs
○ 2017-02-19 16:54:46
● 2026-03-24 21:11:20
● 2026-07-22 16:03:46
○NSns5.dnsauthority.com2015-07-10 → 2017-02-19 · 4 obs
● 2015-07-10 14:34:32
● 2017-02-19 16:54:46
○ 2026-03-24 21:11:20
○ 2026-07-22 16:03:46
●NSns5.xserver.jp2026-03-24 → 2026-07-22 · 3 obs
○ 2017-02-19 16:54:46
● 2026-03-24 21:11:20
● 2026-07-22 16:03:46
○MXmail.hope-mail.com2015-07-10 → 2017-02-19 · 4 obs
● 2015-07-10 14:34:32
● 2017-02-19 16:54:46
○ 2026-03-24 21:11:20
○ 2026-07-22 16:03:46
○A146.148.34.1252015-07-10 → 2017-02-19 · 4 obs
● 2015-07-10 14:34:32
● 2017-02-19 16:54:46
○ 2026-03-24 21:11:20
○ 2026-07-22 16:03:46
○A54.210.47.2252015-07-10 → 2017-02-19 · 4 obs
● 2015-07-10 14:34:32
● 2017-02-19 16:54:46
○ 2026-03-24 21:11:20
○ 2026-07-22 16:03:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
herokuapp.netns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.246

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for herokuapp.net (unsigned zone)

⏱️ Timing

Total: 2207ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

The authoritative name servers for herokuapp.net are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

herokuapp.net shares at least some of its name servers with other domains, including grand-world.com, mse-web.com, chiakikobo.jp and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp resolves to the IP address 35.72.43.26.

ns3.xserver.jp resolves to the IP address 202.226.36.247.