ns4.de.opalstack.com - dns.ninja

ns4.de.opalstack.com

DNSSEC⚠️ Not signed
A172.104.205.51🇺🇸 AKAMAI-LINODE-AP172.104.205.0/24 Akamai Technologies
PTRwebmail.de.opalstack.com
MXmx1.de.opalstack.com ⭐
A2a01:7e01:e001:856::1🇩🇪 AKAMAI-LINODE-AP2a01:7e01::/32 Akamai Technologies
PTRmx1.de.opalstack.com
A139.162.189.90🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies
PTRmx1.de.opalstack.com
MXmx2.de.opalstack.com ⭐
A178.162.221.165🇩🇪 LEASEWEB-DE-FRA-10178.162.192.0/18
PTRmx2.de.opalstack.com
TXTv=spf1 include:spf.opalstack.com ~all

de.opalstack.com

DNSSEC⚠️ Not signed
A172.104.205.51🇺🇸 AKAMAI-LINODE-AP172.104.205.0/24 Akamai Technologies
MXmx1.us.opalstack.com ⭐
MXmx2.us.opalstack.com ⭐
TXTv=spf1 include:spf.opalstack.com ~all

NS for

callebaut.org
tomgraves.org
progis.hr
bong.international

Same first word

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ns4.fj
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ns4.jelastic.saveincloud.net
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ns4.gov.bh
ns4.fastly-edge.com
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ns4.com
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ns4.nic.in
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ns4.com.br
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Similar names

4ns.de
4ns.co.uk
s4n.co
4ns.nl
sn4.de
4ns.in
s4n.edu.vn
n4s.com
n4s.fr
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4ns.ru
sn4.org
n4s.co.uk
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s4n.com.br
n4s.fi
4sn.com
4sn.nl
sn4.co.uk
n4s.us
n4s.pl
4ns.su
n4s.org
4ns.com

DNS History

5 records (3 active, 2 former)

MXmx1.de.opalstack.commx2.de.opalstack.commx1.us.opalstack.commx2.us.opalstack.comA172.104.205.51
●MXmx1.de.opalstack.com2026-03-16 → 2026-06-04 · 10 obs
○ 2026-03-14 05:10:46
● 2026-03-16 04:52:42
● 2026-03-23 07:29:08
○ 2026-03-24 19:34:40
● 2026-03-31 20:06:50
○ 2026-04-26 22:17:16
○ 2026-05-06 01:52:58
● 2026-05-09 17:49:00
○ 2026-05-19 22:59:02
● 2026-06-04 13:44:58
○MXmx1.us.opalstack.com2026-02-21 → 2026-05-19 · 11 obs
● 2026-02-21 17:41:50
● 2026-03-14 05:10:46
○ 2026-03-16 04:52:42
○ 2026-03-23 07:29:08
● 2026-03-24 19:34:40
○ 2026-03-31 20:06:50
● 2026-04-26 22:17:16
● 2026-05-06 01:52:58
○ 2026-05-09 17:49:00
● 2026-05-19 22:59:02
○ 2026-06-04 13:44:58
●MXmx2.de.opalstack.com2026-03-16 → 2026-06-04 · 10 obs
○ 2026-03-14 05:10:46
● 2026-03-16 04:52:42
● 2026-03-23 07:29:08
○ 2026-03-24 19:34:40
● 2026-03-31 20:06:50
○ 2026-04-26 22:17:16
○ 2026-05-06 01:52:58
● 2026-05-09 17:49:00
○ 2026-05-19 22:59:02
● 2026-06-04 13:44:58
○MXmx2.us.opalstack.com2026-02-21 → 2026-05-19 · 11 obs
● 2026-02-21 17:41:50
● 2026-03-14 05:10:46
○ 2026-03-16 04:52:42
○ 2026-03-23 07:29:08
● 2026-03-24 19:34:40
○ 2026-03-31 20:06:50
● 2026-04-26 22:17:16
● 2026-05-06 01:52:58
○ 2026-05-09 17:49:00
● 2026-05-19 22:59:02
○ 2026-06-04 13:44:58
●A172.104.205.512026-02-21 → 2026-06-04 · 2 obs
● 2026-02-21 17:41:50
● 2026-06-04 13:44:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
opalstack.comns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com, ns1.de.opalstack.com-

✅ Authoritative Response

Server:139.162.174.250

NS records: ns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com, ns1.de.opalstack.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opalstack.com (unsigned zone)

⏱️ Timing

Total: 325ms | Queries: -

📄 Records

TypeCountSample Data
A1172.104.205.51
MX2mx2.us.opalstack.com (pri: 10), mx1.us.opalstack.com (pri: 10)
TXT1v=spf1 include:spf.opalstack.com ~all

Analysis

Name Server Role

ns4.de.opalstack.com provides name server authority for callebaut.org, tomgraves.org, progis.hr and bong.international.

ns1.de.opalstack.com, ns2.de.opalstack.com and ns3.de.opalstack.com are commonly used as name server together with ns4.de.opalstack.com.

IP Addresses

ns4.de.opalstack.com directs to one IP number, which is 172.104.205.51.

Host names such as de.opalstack.com and webmail.de.opalstack.com share IP numbers with ns4.de.opalstack.com.

Mail Servers

The MX records for ns4.de.opalstack.com point to two mail servers: mx1.de.opalstack.com and mx2.de.opalstack.com.

ns4.de.opalstack.com has the same mail server arrangement as a number of other domains, for example girolamoaloe.com, docs.vecturagames.com, www.musicircle.net and two more.

ns4.de.opalstack.com has at least some mail servers in common with other domains, such as alifi.com, bucketlist.net, hospitalrun.io and humanleg.org.uk.

These mail servers frequently appear alongside the mail servers mx1.us.opalstack.com and mx2.us.opalstack.com.

Hosts with two IP numbers each:

The A records for mx1.de.opalstack.com return 139.162.189.90 and 2a01:7e01:e001:856::1.

Host names with one IP number:

mx2.de.opalstack.com resolves to the IP address 178.162.221.165.