calloptimum.com - robtex.com
calloptimum.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns0.bt.net ⭐ | ||||||
| A | 217.35.209.188🇬🇧 BT-UK-AS217.32.0.0/12 BT Public Internet Service | ||||||
| PTR | ns0.bt.net | ||||||
| NS | ns1.bt.net | ||||||
| A | 217.32.105.91🇬🇧 BT-UK-AS217.32.0.0/12 BT Public Internet Service | ||||||
| PTR | indnss01.bt.net | ||||||
| PTR | ns1.bt.net | ||||||
| PTR | indnss01.ukcore.bt.net | ||||||
| NS | ns2.bt.net | ||||||
| A | 217.32.105.90🇬🇧 BT-UK-AS217.32.0.0/12 BT Public Internet Service | ||||||
| PTR | indnss02.bt.net | ||||||
| PTR | ns2.bt.net | ||||||
| PTR | indnss02.ukcore.bt.net | ||||||
| TXT | ShopDirectGroupLTD | ||||||
| SOA | ns0.bt.nethostmaster@bt.net serial=3 | ||||||
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=1774660557 | ||||||
Same first word
calloptimum.com |
Similar names
DNS History
6 records (3 active, 3 former)
○NSans1.cw.net2015-07-13 → 2020-01-11 · 3 obs
● 2015-07-13 09:02:08
● 2020-01-11 11:09:50
○ 2026-03-28 01:35:42
● 2020-01-11 11:09:50
○ 2026-03-28 01:35:42
○NSans2.cw.net2015-07-13 → 2020-01-11 · 3 obs
● 2015-07-13 09:02:08
● 2020-01-11 11:09:50
○ 2026-03-28 01:35:42
● 2020-01-11 11:09:50
○ 2026-03-28 01:35:42
○NSinfoblox-prk-grid01.plc.cwintra.com2015-07-13 → 2020-01-11 · 3 obs
● 2015-07-13 09:02:08
● 2020-01-11 11:09:50
○ 2026-03-28 01:35:42
● 2020-01-11 11:09:50
○ 2026-03-28 01:35:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net... | - |
| calloptimum.com | ns0.bt.net, ns1.bt.net, ns2.bt.net | - |
✅ Authoritative Response
Server:217.35.209.188
NS records: ns0.bt.net, ns1.bt.net, ns2.bt.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calloptimum.com (unsigned zone)
⏱️ Timing
Total: 639ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns0.bt.net, ns2.bt.net... |
| TXT | 1 | ShopDirectGroupLTD |
| SOA | 1 | ns0.bt.net hostmaster.bt.net |
Analysis
Name Servers
calloptimum.com is delegated to name servers ns0.bt.net, ns1.bt.net and ns2.bt.net.
calloptimum.com at least partially shares name servers with other domains such as bacs.co.uk, 238.7.62.in-addr.arpa, btwifi.com, royalmailgroup.org and reading3.broadband.bt.net.
Host names with a single IP:
ns0.bt.net points to 217.35.209.188
ns1.bt.net points to 217.32.105.91
ns2.bt.net points to 217.32.105.90