concentrum.com - robtex.com
concentrum.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774451302 | ||||||
Previously MX for
concentrum.com |
Same first word
concentrum.com |
concentrum.info |
DNS History
13 records (5 active, 8 former)
○NSns1.syneticus.com2015-07-10 → 2015-07-10 · 3 obs
○ 2015-11-24 14:41:14
○ 2026-03-25 15:15:04
○NSns2.syneticus.com2015-07-10 → 2015-07-10 · 3 obs
○ 2015-11-24 14:41:14
○ 2026-03-25 15:15:04
●NSns29.domaincontrol.com2015-11-24 → 2026-03-25 · 3 obs
● 2015-11-24 14:41:14
● 2026-03-25 15:15:04
●NSns30.domaincontrol.com2015-11-24 → 2026-03-25 · 3 obs
● 2015-11-24 14:41:14
● 2026-03-25 15:15:04
●MXconcentrum-com.mail.protection.outlook.com2016-02-28 → 2026-03-25 · 3 obs
● 2016-02-28 10:46:12
● 2026-03-25 15:15:04
○MXconcentrum.com2015-07-10 → 2015-07-10 · 3 obs
○ 2015-11-24 14:41:14
○ 2026-03-25 15:15:04
○MXmailstore1.secureserver.net2015-11-24 → 2015-11-24 · 4 obs
● 2015-11-24 14:41:14
○ 2016-02-28 10:46:12
○ 2026-03-25 15:15:04
○MXsmtp.secureserver.net2015-11-24 → 2015-11-24 · 4 obs
● 2015-11-24 14:41:14
○ 2016-02-28 10:46:12
○ 2026-03-25 15:15:04
●A15.197.225.1282026-02-15 → 2026-03-25 · 3 obs
● 2026-02-15 06:39:16
● 2026-03-25 15:15:04
○A184.168.131.2412019-12-29 → 2019-12-29 · 4 obs
● 2019-12-29 11:58:00
○ 2026-02-15 06:39:16
○ 2026-03-25 15:15:04
●A3.33.251.1682026-02-15 → 2026-03-25 · 3 obs
● 2026-02-15 06:39:16
● 2026-03-25 15:15:04
○A50.28.90.1862015-07-10 → 2015-07-10 · 3 obs
○ 2015-11-24 14:41:14
○ 2026-03-25 15:15:04
○A73.34.160.2402015-11-24 → 2017-02-18 · 5 obs
● 2015-11-24 14:41:14
● 2017-02-18 02:54:58
○ 2019-12-29 11:58:00
○ 2026-03-25 15:15:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| concentrum.com | ns29.domaincontrol.com, ns30.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.72.15
NS records: ns29.domaincontrol.com, ns30.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for concentrum.com (unsigned zone)
⏱️ Timing
Total: 100ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns29.domaincontrol.com, ns30.domaincontrol.com |
| MX | 1 | concentrum-com.mail.protection.outlook.c |
| TXT | 2 | MS=ms28300755, v=spf1 include:spf.em.secureserver.net i |
| SOA | 1 | ns29.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns29.domaincontrol.com, ns29.domaincontrol.com, ns30.domaincontrol.com...)
Analysis
IP Addresses
The entity concentrum.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.
For instance, other host names cbz.org, boogieshops.com, larochellelariviere.com, adviseproperty.com and actionama.com share IP numbers with concentrum.com.
Name Servers
concentrum.com is delegated to two name servers: ns29.domaincontrol.com and ns30.domaincontrol.com.
concentrum.com uses the same name server setup as other domains such as searchforcarriers.com, rkdesign.net, zeilrosenberg.net, pro-point.ca and figc-crt.org.
Host names with two IP numbers:
ns29.domaincontrol.com points to 2603:5:2181::f and 97.74.104.15; ns30.domaincontrol.com points to 2603:5:2281::f and 173.201.72.15.
Mail Servers
concentrum.com is handled by a single mail server, concentrum-com.mail.protection.outlook.com.
Host name concentrum-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::a, 2a01:111:f403:c931::1, 2a01:111:f403:c946::7, 2a01:111:f403:f802::3, 52.101.8.46, 52.101.9.26, 52.101.11.19 and 52.101.40.4.