ctgrp.com - robtex.com
ctgrp.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.bdm.microsoftonline.com ⭐ | ||||||
| A | 2603:1061:0:700::d0🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-208.azure-dns.com | ||||||
| A | 13.107.236.208🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-208.azure-dns.com | ||||||
| NS | ns2.bdm.microsoftonline.com | ||||||
| A | 2620:1ec:8ec:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-208.azure-dns.net | ||||||
| A | 150.171.21.208🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-208.azure-dns.net | ||||||
| NS | ns3.bdm.microsoftonline.com | ||||||
| A | 2a01:111:4000:700::d0🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-208.azure-dns.org | ||||||
| A | 204.14.183.208🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-208.azure-dns.org | ||||||
| NS | ns4.bdm.microsoftonline.com | ||||||
| A | 2620:1ec:bda:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-208.azure-dns.info | ||||||
| A | 208.84.5.208🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-208.azure-dns.info | ||||||
| MX | spam.ctgrp.com ⭐ | ||||||
| TXT | mscid=qNxqaW90eGllbIpHn4Ny2qwiUIbPeKz44m5o3NqzlabMi6nQJB9gcgN+JArfKKehaT+bDyM... | ||||||
| TXT | MS=ms43428590 | ||||||
| SOA | ns1.bdm.microsoftonline.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
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=1774662362 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.bdm.microsoftonline.com2026-03-06 → 2026-03-28 · 3 obs
● 2026-03-06 03:49:58
● 2026-03-28 02:14:58
●NSns2.bdm.microsoftonline.com2026-03-06 → 2026-03-28 · 3 obs
● 2026-03-06 03:49:58
● 2026-03-28 02:14:58
●NSns3.bdm.microsoftonline.com2026-03-06 → 2026-03-28 · 3 obs
● 2026-03-06 03:49:58
● 2026-03-28 02:14:58
●NSns4.bdm.microsoftonline.com2026-03-06 → 2026-03-28 · 3 obs
● 2026-03-06 03:49:58
● 2026-03-28 02:14:58
○NSns41.worldnic.com2015-07-22 → 2018-09-29 · 4 obs
● 2018-09-29 12:37:04
○ 2026-03-06 03:49:58
○ 2026-03-28 02:14:58
○NSns42.worldnic.com2015-07-22 → 2018-09-29 · 4 obs
● 2018-09-29 12:37:04
○ 2026-03-06 03:49:58
○ 2026-03-28 02:14:58
●MXspam.ctgrp.com2015-07-22 → 2026-03-28 · 2 obs
● 2026-03-28 02:14:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| ctgrp.com | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com | 8 records |
✅ Authoritative Response
Server:150.171.21.208
NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctgrp.com (unsigned zone)
⏱️ Timing
Total: 187ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | spam.ctgrp.com (pri: 10) |
| TXT | 2 | mscid=qNxqaW90eGllbIpHn4Ny2qwiUIbPeKz44m, MS=ms43428590 |
| SOA | 1 | ns1.bdm.microsoftonline.com azuredns-hos |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)
Analysis
Name Servers
ctgrp.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
ctgrp.com shares some name servers with other domains, for example oelsnitz.media, surmanti.com.au, doubleadairy.com, accotax.gr and smitfob.de.
Host names with two IP numbers
Two IPs per host:
ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208
ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208
ns3.bdm.microsoftonline.com points to 2a01:111:4000:700::d0 and 204.14.183.208
ns4.bdm.microsoftonline.com points to 2620:1ec:bda:700::d0 and 208.84.5.208
Mail Servers
ctgrp.com is handled by a single mail server, spam.ctgrp.com.