eir-grid.com - robtex.com
eir-grid.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.120.137.236🇮🇪 AS-BTIRE193.120.0.0/16 IEUNET-AGG-ROUTE-1 Principal address block of BT Ireland | ||||||
| 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 | ||||||
| TXT | Esat Net customer | ||||||
| SOA | ns1.blacknight.comhostmaster@blacknight.com serial=1274941187 | ||||||
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
DNS History
9 records (5 active, 4 former)
○NSauth02.ns.esat.net2015-08-04 → 2017-02-14 · 4 obs
● 2017-02-14 23:03:44
○ 2026-03-14 10:19:56
○ 2026-03-23 23:09:14
●NSns1.blacknight.com2026-03-14 → 2026-03-23 · 3 obs
● 2026-03-14 10:19:56
● 2026-03-23 23:09:14
●NSns2.blacknight.com2026-03-14 → 2026-03-23 · 3 obs
● 2026-03-14 10:19:56
● 2026-03-23 23:09:14
●NSns3.blacknight.com2026-03-14 → 2026-03-23 · 3 obs
● 2026-03-14 10:19:56
● 2026-03-23 23:09:14
●NSns4.blacknight.com2026-03-14 → 2026-03-23 · 3 obs
● 2026-03-14 10:19:56
● 2026-03-23 23:09:14
○NSsec02.ns.esat.net2015-08-04 → 2017-02-14 · 4 obs
● 2017-02-14 23:03:44
○ 2026-03-14 10:19:56
○ 2026-03-23 23:09:14
○MXmxbackup.esat.net2016-07-04 → 2017-02-14 · 4 obs
● 2017-02-14 23:03:44
○ 2026-03-14 10:19:56
○ 2026-03-23 23:09:14
○MXuucp.esat.net2016-07-04 → 2017-02-14 · 4 obs
● 2017-02-14 23:03:44
○ 2026-03-14 10:19:56
○ 2026-03-23 23:09:14
●A193.120.137.2362015-08-04 → 2026-03-23 · 2 obs
● 2026-03-23 23:09:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| eir-grid.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 eir-grid.com (unsigned zone)
⏱️ Timing
Total: 393ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.120.137.236 |
| NS | 4 | ns4.blacknight.com, ns3.blacknight.com... |
| TXT | 1 | Esat Net customer |
| 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
eir-grid.com points to a single IP number: 193.120.137.236.
Other host names, for instance eir-grid.org, eirgrid.org, eirgrid.net and eir-grid.net share IP numbers with eir-grid.com.
Name Servers
eir-grid.com is delegated to four name servers: ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com and ns4.blacknight.com.
eir-grid.com at least partially shares name servers with other domains, for instance salessix.com, abbeymurphyinsurance.ie, visiontime.ie, wck.ie and d2counselling.ie.
Two IP numbers per host:
Host ns2.blacknight.com points to 2a01:a8:dc3:3313::aaaa and 81.17.254.6.
Host ns3.blacknight.com points to 2a00:fea0:dead::beef and 185.28.194.194.
One IP number per host:
Host ns1.blacknight.com points to 78.153.212.176.
Host ns4.blacknight.com points to 185.38.108.108.