mail.us.opalstack.com - dns.ninja

mail.us.opalstack.com

DNSSEC⚠️ Not signed
A209.58.138.136🇺🇸 AS7203209.58.128.0/20 MNT-LU-76 route 209.058.128.000/20 AS7203
PTRimap2.us.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

us.opalstack.com

DNSSEC⚠️ Not signed
A142.91.170.22🇺🇸 AS7203142.91.168.0/22 Leaseweb USA, Inc.
MXmx1.us.opalstack.com ⭐
MXmx2.us.opalstack.com ⭐
TXTv=spf1 include:spf.opalstack.com ~all

MX for

fruitfulworks.com

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DNS History

5 records (3 active, 2 former)

MXmx1.us.opalstack.commx2.us.opalstack.commx1.de.opalstack.commx2.de.opalstack.comA209.58.138.136
○MXmx1.de.opalstack.com2026-02-21 → 2026-07-09 · 32 obs
○ 2026-02-18 11:07:32
○ 2026-02-21 05:46:58
● 2026-02-21 17:43:20
● 2026-02-21 21:23:10
○ 2026-02-22 09:10:20
○ 2026-03-14 05:03:52
● 2026-03-15 05:03:44
● 2026-03-18 12:42:04
○ 2026-03-19 21:22:42
● 2026-03-20 19:54:38
○ 2026-03-21 12:56:00
● 2026-03-21 14:36:34
● 2026-03-21 18:17:50
○ 2026-03-22 16:23:10
○ 2026-04-09 23:04:06
● 2026-04-12 04:22:26
● 2026-04-14 13:00:20
○ 2026-04-26 22:15:46
○ 2026-05-08 23:46:52
● 2026-05-11 12:56:36
○ 2026-05-12 11:20:28
○ 2026-05-22 16:54:20
● 2026-05-26 12:11:58
● 2026-05-28 18:38:12
○ 2026-06-11 05:37:58
● 2026-06-24 10:34:26
○ 2026-06-25 15:54:38
● 2026-06-27 23:39:42
○ 2026-07-01 07:25:46
● 2026-07-09 09:33:40
○ 2026-07-10 09:15:48
○ 2026-07-10 09:15:50
●MXmx1.us.opalstack.com2026-02-18 → 2026-07-10 · 32 obs
● 2026-02-18 11:07:32
● 2026-02-21 05:46:58
○ 2026-02-21 17:43:20
○ 2026-02-21 21:23:10
● 2026-02-22 09:10:20
● 2026-03-14 05:03:52
○ 2026-03-15 05:03:44
○ 2026-03-18 12:42:04
● 2026-03-19 21:22:42
○ 2026-03-20 19:54:38
● 2026-03-21 12:56:00
○ 2026-03-21 14:36:34
○ 2026-03-21 18:17:50
● 2026-03-22 16:23:10
● 2026-04-09 23:04:06
○ 2026-04-12 04:22:26
○ 2026-04-14 13:00:20
● 2026-04-26 22:15:46
● 2026-05-08 23:46:52
○ 2026-05-11 12:56:36
● 2026-05-12 11:20:28
● 2026-05-22 16:54:20
○ 2026-05-26 12:11:58
○ 2026-05-28 18:38:12
● 2026-06-11 05:37:58
○ 2026-06-24 10:34:26
● 2026-06-25 15:54:38
○ 2026-06-27 23:39:42
● 2026-07-01 07:25:46
○ 2026-07-09 09:33:40
● 2026-07-10 09:15:48
● 2026-07-10 09:15:50
○MXmx2.de.opalstack.com2026-02-21 → 2026-07-09 · 32 obs
○ 2026-02-18 11:07:32
○ 2026-02-21 05:46:58
● 2026-02-21 17:43:20
● 2026-02-21 21:23:10
○ 2026-02-22 09:10:20
○ 2026-03-14 05:03:52
● 2026-03-15 05:03:44
● 2026-03-18 12:42:04
○ 2026-03-19 21:22:42
● 2026-03-20 19:54:38
○ 2026-03-21 12:56:00
● 2026-03-21 14:36:34
● 2026-03-21 18:17:50
○ 2026-03-22 16:23:10
○ 2026-04-09 23:04:06
● 2026-04-12 04:22:26
● 2026-04-14 13:00:20
○ 2026-04-26 22:15:46
○ 2026-05-08 23:46:52
● 2026-05-11 12:56:36
○ 2026-05-12 11:20:28
○ 2026-05-22 16:54:20
● 2026-05-26 12:11:58
● 2026-05-28 18:38:12
○ 2026-06-11 05:37:58
● 2026-06-24 10:34:26
○ 2026-06-25 15:54:38
● 2026-06-27 23:39:42
○ 2026-07-01 07:25:46
● 2026-07-09 09:33:40
○ 2026-07-10 09:15:48
○ 2026-07-10 09:15:50
●MXmx2.us.opalstack.com2026-02-18 → 2026-07-10 · 32 obs
● 2026-02-18 11:07:32
● 2026-02-21 05:46:58
○ 2026-02-21 17:43:20
○ 2026-02-21 21:23:10
● 2026-02-22 09:10:20
● 2026-03-14 05:03:52
○ 2026-03-15 05:03:44
○ 2026-03-18 12:42:04
● 2026-03-19 21:22:42
○ 2026-03-20 19:54:38
● 2026-03-21 12:56:00
○ 2026-03-21 14:36:34
○ 2026-03-21 18:17:50
● 2026-03-22 16:23:10
● 2026-04-09 23:04:06
○ 2026-04-12 04:22:26
○ 2026-04-14 13:00:20
● 2026-04-26 22:15:46
● 2026-05-08 23:46:52
○ 2026-05-11 12:56:36
● 2026-05-12 11:20:28
● 2026-05-22 16:54:20
○ 2026-05-26 12:11:58
○ 2026-05-28 18:38:12
● 2026-06-11 05:37:58
○ 2026-06-24 10:34:26
● 2026-06-25 15:54:38
○ 2026-06-27 23:39:42
● 2026-07-01 07:25:46
○ 2026-07-09 09:33:40
● 2026-07-10 09:15:48
● 2026-07-10 09:15:50
●A209.58.138.1362026-02-18 → 2026-07-10 · 2 obs
● 2026-02-18 11:07:32
● 2026-07-10 09:15:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, g.gtld-servers.net, e.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: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: 323ms | Queries: -

📄 Records

TypeCountSample Data
A1209.58.138.136
MX2mx2.de.opalstack.com (pri: 10), mx1.de.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

Mail Server Role

mail.us.opalstack.com serves as a mail server for fruitfulworks.com.

IP Addresses

mail.us.opalstack.com points to a single IP number: 209.58.138.136.

Other host names share IP numbers with mail.us.opalstack.com; imap2.us.opalstack.com is one such example.

Mail Servers

mail.us.opalstack.com has two mail servers: mx1.us.opalstack.com and mx2.us.opalstack.com.

mail.us.opalstack.com shares the same mail server setup as other domains, including wordmaker.us, mclarenlabs.com, conservationbigyear.com and two others.

The mail servers for mail.us.opalstack.com overlap at least partially with those of other domains, including (0x736578)yassistants.com and wireframe.cc.

Host names with two IP numbers:

mx2.us.opalstack.com maps to two IP addresses — 23.82.16.244 and 2605:fe80:2100:bf03:7::2.

Host names pointing to a single IP address:

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