bt - robtex.com
bt
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-02-16 #1 | ||||||
Up
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
○NSbt.cctld.authdns.ripe.net2015-09-04 → 2017-11-07 · 4 obs
● 2017-11-07 03:05:34
○ 2018-01-01 01:55:54
○ 2026-02-26 16:06:42
●NSns1.druknet.bt2015-09-04 → 2026-02-26 · 2 obs
● 2026-02-26 16:06:42
●NSns2.druknet.bt2015-09-04 → 2026-02-26 · 2 obs
● 2026-02-26 16:06:42
●NSns3.druknet.bt2015-09-04 → 2026-02-26 · 2 obs
● 2026-02-26 16:06:42
●NSphloem.uoregon.edu2017-01-26 → 2026-02-26 · 3 obs
● 2017-01-26 15:40:30
● 2026-02-26 16:06:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| bt | auth00.ns.uu.net, phloem.uoregon.edu, ns2.druknet.bt, ns.itu.ch... | 12 records |
✅ Authoritative Response
Server: 204.61.216.17
NS records: auth00.ns.uu.net, phloem.uoregon.edu, ns2.druknet.bt, ns.itu.ch, auth61.ns.uu.net, ns3.druknet.bt, ns1.druknet.bt
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 769ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 7 | phloem.uoregon.edu, auth61.ns.uu.net... |
| SOA | 1 | ns1.druknet.bt hostmaster.druknet.bt |
📌 Glue Records Collected
Total: 12
In-bailiwick: 6 (ns2.druknet.bt, ns2.druknet.bt, ns3.druknet.bt...)
Out-of-bailiwick: 6 (auth00.ns.uu.net, phloem.uoregon.edu, phloem.uoregon.edu...)
AI analysis
bt is a parent of bt.bt, bhutantrustfund.bt, btiims.bt, amoda.bt, tosaoy.bt and hundreds of other host names.
bt is delegated to seven name servers: ns1.druknet.bt, ns2.druknet.bt, ns3.druknet.bt, ns.itu.ch, phloem.uoregon.edu, auth00.ns.uu.net and auth61.ns.uu.net.
bt at least partially shares name servers with other domains such as 110.39.137.in-addr.arpa, 10.81.210.in-addr.arpa, dpt.bt, currentmagonline.com and 74.209.65.in-addr.arpa.
These name servers are often used together with ruminant.uoregon.edu, ns1.f5cloudservices.com, lsu-bdds1.lsu.edu, auth100.ns.uu.net, auth01.ns.uu.net, dns0.pdx.edu, dns1.pdx.edu, walt.ee.pdx.edu, ns2.itu.ch and ns1.nero.net.
Host names with two IP numbers
ns1.druknet.bt points to 2405:d000:0:100::200 and 202.144.128.200
ns2.druknet.bt points to 2405:d000:0:100::210 and 202.144.128.210
ns3.druknet.bt points to 2001:500:14:6017:ad::1 and 204.61.216.17
ns.itu.ch points to 2a00:7580:60:2141::10 and 156.106.192.121
phloem.uoregon.edu points to 2001:468:d01:20::80df:2023 and 128.223.32.35
Host names with one IP number
auth00.ns.uu.net points to 198.6.1.65
auth61.ns.uu.net points to 198.6.1.182