collengroup.com - robtex.com
collengroup.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.153.212.172🇮🇪 BLACKNIGHT-AS78.153.212.0/24 IE-BLACKNIGHT-INFRA | ||||||
| PTR | pemsslpr01.blacknight.com | ||||||
| NS | ns1.blacknight.com ⭐ | ||||||
| A | 78.153.212.176🇮🇪 BLACKNIGHT-AS78.153.212.0/24 IE-BLACKNIGHT-INFRA | ||||||
| PTR | ns1.blacknight.com | ||||||
| NS | ns2.blacknight.com | ||||||
| A | 2a01:a8:dc3:3313::aaaa🇮🇪 BLACKNIGHT-AS2a01:a8::/32 IE-BLACKNIGHT-PA-IPV6 | ||||||
| PTR | ns2.blacknight.com | ||||||
| A | 81.17.254.6🇮🇪 BLACKNIGHT-AS81.17.240.0/20 IE-BLACKNIGHT-PA | ||||||
| PTR | ns2.blacknight.com | ||||||
| NS | ns3.blacknight.com | ||||||
| A | 2a00:fea0:dead::beef🇮🇳 GRANSY2a00:fea0::/32 Anycast DNS project | ||||||
| A | 185.28.194.194🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o. | ||||||
| PTR | ns2.anycastdns.cz | ||||||
| NS | ns4.blacknight.com | ||||||
| A | 185.38.108.108🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project | ||||||
| PTR | ns1.anycastdns.cz | ||||||
| SOA | ns1.blacknight.comhostmaster@blacknight.com serial=1273756150 | ||||||
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=1771291435 | ||||||
Same first word
collengroup.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1.blacknight.com2026-03-16 → 2026-03-16 · 2 obs
● 2026-03-16 21:53:14
●NSns2.blacknight.com2026-03-16 → 2026-03-16 · 2 obs
● 2026-03-16 21:53:14
●NSns3.blacknight.com2026-03-16 → 2026-03-16 · 2 obs
● 2026-03-16 21:53:14
○NSns3.lucidity.ie2015-08-14 → 2017-03-31 · 3 obs
● 2017-03-31 18:50:20
○ 2026-03-16 21:53:14
●NSns4.blacknight.com2026-03-16 → 2026-03-16 · 2 obs
● 2026-03-16 21:53:14
○NSns4.lucidity.ie2015-08-14 → 2017-03-31 · 3 obs
● 2017-03-31 18:50:20
○ 2026-03-16 21:53:14
○MXmail.collengroup.com2015-08-14 → 2017-03-31 · 3 obs
● 2017-03-31 18:50:20
○ 2026-03-16 21:53:14
●A78.153.212.1722026-03-16 → 2026-03-16 · 2 obs
● 2026-03-16 21:53:14
○A87.117.199.1012015-08-14 → 2017-03-31 · 3 obs
● 2017-03-31 18:50:20
○ 2026-03-16 21:53:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| collengroup.com | ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com, ns4.blacknight.com | 6 records |
✅ Authoritative Response
Server: 78.153.212.176
NS records: ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com, ns4.blacknight.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for collengroup.com (unsigned zone)
⏱️ Timing
Total: 372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.153.212.172 |
| NS | 4 | ns1.blacknight.com, ns2.blacknight.com... |
| SOA | 1 | ns1.blacknight.com hostmaster.blacknight |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.blacknight.com, ns2.blacknight.com, ns2.blacknight.com...)
Analysis
IP Addresses
collengroup.com resolves to one IP number: 78.153.212.172.
Other host names, for instance ballsbridgesolicitors.ie, reception.ie, cloudmaster.co.uk, mprp.ie and ardaghgroup.se share IP numbers with collengroup.com.
Name Servers
collengroup.com delegates to four name servers: ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com and ns4.blacknight.com.
collengroup.com at least partially shares name servers with other domains, including dands.ie, senatorwindows.ie, terenceerraught.com, olinyo.com and whyuse.us.
Host names with two IP numbers:
ns2.blacknight.com points to 2a01:a8:dc3:3313::aaaa and 81.17.254.6
ns3.blacknight.com points to 2a00:fea0:dead::beef and 185.28.194.194
Host names with one IP number:
ns1.blacknight.com points to 78.153.212.176
ns4.blacknight.com points to 185.38.108.108