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.us.opalstack.com ⭐
A108.62.123.121🇺🇸 LEASEWEB-US108.62.120.0/22 Leaseweb USA, Inc.
PTRmx1.us.opalstack.com
MXmx2.us.opalstack.com ⭐
A2605:fe80:2100:bf03:7::2🇺🇸 AS72032605:fe80::/32 Leaseweb USA, Inc. SFO-12 US
PTRmx2.us.opalstack.com
A23.82.16.244🇺🇸 AS720323.82.16.0/21 Leaseweb USA, Inc.
PTRmx2.us.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
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4ns.de
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n4s.org

DNS History

5 records (3 active, 2 former)

MXmx1.us.opalstack.commx2.us.opalstack.commx1.de.opalstack.commx2.de.opalstack.comA172.104.205.51
○MXmx1.de.opalstack.com2026-03-16 → 2026-06-22 · 14 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
○ 2026-06-10 20:23:38
● 2026-06-22 23:17:56
○ 2026-07-03 08:16:10
○ 2026-07-23 14:20:42
●MXmx1.us.opalstack.com2026-02-21 → 2026-07-23 · 15 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
● 2026-06-10 20:23:38
○ 2026-06-22 23:17:56
● 2026-07-03 08:16:10
● 2026-07-23 14:20:42
○MXmx2.de.opalstack.com2026-03-16 → 2026-06-22 · 14 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
○ 2026-06-10 20:23:38
● 2026-06-22 23:17:56
○ 2026-07-03 08:16:10
○ 2026-07-23 14:20:42
●MXmx2.us.opalstack.com2026-02-21 → 2026-07-23 · 15 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
● 2026-06-10 20:23:38
○ 2026-06-22 23:17:56
● 2026-07-03 08:16:10
● 2026-07-23 14:20:42
●A172.104.205.512026-02-21 → 2026-07-23 · 2 obs
● 2026-02-21 17:41:50
● 2026-07-23 14:20:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...-
opalstack.comns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com, ns1.de.opalstack.com4 records

✅ Authoritative Response

Server:23.92.21.232

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: 201ms | Queries: -

📄 Records

TypeCountSample Data
A1172.104.205.51
MX2mx1.us.opalstack.com (pri: 10), mx2.us.opalstack.com (pri: 10)
TXT1v=spf1 include:spf.opalstack.com ~all

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com...)

Analysis

Name Server Role

ns4.de.opalstack.com serves as a name server for callebaut.org, tomgraves.org, progis.hr and two others.

Together with ns4.de.opalstack.com, the hosts ns1.de.opalstack.com, ns2.de.opalstack.com and ns3.de.opalstack.com are frequently configured as name servers.

IP Addresses

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

ns4.de.opalstack.com shares its IP numbers with other host names like de.opalstack.com, webmail.de.opalstack.com and null.de.opalstack.com.

Mail Servers

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

ns4.de.opalstack.com has the same mail server arrangement as a number of other domains, for example shredded.us, minecache.com, maciver.net and two more.

ns4.de.opalstack.com shares at least some of its mail servers with other domains, such as tj.org and emoryball.com.

Hosts with two IP numbers each:

The A records for mx2.us.opalstack.com return 23.82.16.244 and 2605:fe80:2100:bf03:7::2.

Hosts that resolve to one IP address:

mx1.us.opalstack.com resolves to the IP address 108.62.123.121.