bctechlibrary.com - robtex.com
bctechlibrary.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.254.15.111🇺🇸 EIGI173.254.0.0/17 Unified Layer | ||||||
| PTR | 173-254-15-111.unifiedlayer.com | ||||||
| NS | ns1.zlt.ykv.mybluehost.me ⭐ ⚠️ Not in parent delegation | ||||||
| A | 173.254.15.111🇺🇸 EIGI173.254.0.0/17 Unified Layer | ||||||
| PTR | 173-254-15-111.unifiedlayer.com | ||||||
| NS | ns1.bluehost.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.24.80Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.bluehost.com | ||||||
| NS | ns2.bluehost.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.175Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.bluehost.com | ||||||
| NS | ns2.zlt.ykv.mybluehost.me ⚠️ Not in parent delegation | ||||||
| A | 173.254.15.111🇺🇸 EIGI173.254.0.0/17 Unified Layer | ||||||
| PTR | 173-254-15-111.unifiedlayer.com | ||||||
| MX | mail.bctechlibrary.com ⭐ | ||||||
| A | 173.254.15.111🇺🇸 EIGI173.254.0.0/17 Unified Layer | ||||||
| PTR | 173-254-15-111.unifiedlayer.com | ||||||
| TXT | v=spf1 +a +mx +ip4:50.87.225.37 +ip4:173.254.15.111 +include:websitewelcome.c... | ||||||
| SOA | ns1.zlt.ykv.mybluehost.meroot@server.zlt.ykv.mybluehost.me 2026-04-09 #0 | ||||||
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=1775786767 | ||||||
Subdomains
mail.bctechlibrary.com |
Same first word
bctechlibrary.com |
DNS History
7 records (6 active, 1 former)
●NSns1.bluehost.com2026-03-31 → 2026-04-10 · 3 obs
● 2026-03-31 20:24:44
● 2026-04-10 02:22:08
●NSns1.zlt.ykv.mybluehost.me2018-05-17 → 2026-04-10 · 2 obs
● 2026-04-10 02:22:08
●NSns2.bluehost.com2026-03-31 → 2026-04-10 · 3 obs
● 2026-03-31 20:24:44
● 2026-04-10 02:22:08
●NSns2.zlt.ykv.mybluehost.me2018-05-17 → 2026-04-10 · 2 obs
● 2026-04-10 02:22:08
●MXmail.bctechlibrary.com2018-05-17 → 2026-04-10 · 2 obs
● 2026-04-10 02:22:08
○A142.4.7.2422018-05-17 → 2018-05-17 · 3 obs
○ 2026-03-31 20:24:44
○ 2026-04-10 02:22:08
●A173.254.15.1112026-03-31 → 2026-04-10 · 3 obs
● 2026-03-31 20:24:44
● 2026-04-10 02:22:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bctechlibrary.com | ns1.bluehost.com, ns2.bluehost.com | 2 records |
✅ Authoritative Response
Server:162.159.24.80
NS records: ns1.bluehost.com, ns2.bluehost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bctechlibrary.com (unsigned zone)
⏱️ Timing
Total: 246ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.254.15.111 |
| NS | 2 | ns1.zlt.ykv.mybluehost.me, ns2.zlt.ykv.mybluehost.me |
| MX | 1 | mail.bctechlibrary.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:50.87.225.37 +ip4:173 |
| SOA | 1 | ns1.zlt.ykv.mybluehost.me root.server.zl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.bluehost.com, ns2.bluehost.com)
Analysis
Hierarchy
bctechlibrary.com is the parent of mail.bctechlibrary.com.
IP Addresses
bctechlibrary.com points to a single IP number: 173.254.15.111.
other host names for instance 173-254-15-111.unifiedlayer.com, ns1.zlt.ykv.mybluehost.me, mail.bctechlibrary.com, zlt.ykv.mybluehost.me and ns2.zlt.ykv.mybluehost.me share IP numbers with bctechlibrary.com.
Name Servers
bctechlibrary.com is delegated to four name servers: ns1.bluehost.com, ns2.bluehost.com, ns1.zlt.ykv.mybluehost.me and ns2.zlt.ykv.mybluehost.me.
bctechlibrary.com at least partially shares name servers with other domains, for instance roadrunnercoaching.com, iloveoldthings.net, capitalsquareliving.com, kristaannphotography.com and basedontheplay.com.
Host names with one IP number:
ns1.bluehost.com points to 162.159.24.80.
ns2.bluehost.com points to 162.159.25.175.
ns1.zlt.ykv.mybluehost.me points to 173.254.15.111.
ns2.zlt.ykv.mybluehost.me points to 173.254.15.111.
Names pointing to 173.254.15.111: ns1.zlt.ykv.mybluehost.me and ns2.zlt.ykv.mybluehost.me.
Mail Servers
bctechlibrary.com is handled by a single mail server, mail.bctechlibrary.com.
Host name mail.bctechlibrary.com points to IP address 173.254.15.111.