bt-option.com - robtex.com
bt-option.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.236.255.77🇺🇸 AS26347173.236.128.0/17 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES | ||||||
| PTR | apache2-igloo.iad1-shared-b8-22.dreamhost.com | ||||||
| NS | ns1.dreamhost.com ⭐ | ||||||
| A | 162.159.26.14Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dreamhost.com | ||||||
| NS | ns2.dreamhost.com | ||||||
| A | 162.159.26.81Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dreamhost.com | ||||||
| NS | ns3.dreamhost.com | ||||||
| A | 162.159.27.84Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dreamhost.com | ||||||
| MX | mx1.mailchannels.net ⭐ 🔒 | ||||||
| A | 18.236.29.166🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-18-236-29-166.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ 🔒 | ||||||
| A | 52.38.143.159🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix | ||||||
| PTR | ec2-52-38-143-159.us-west-2.compute.amazonaws.com | ||||||
| TXT | v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all | ||||||
| SOA | ns1.dreamhost.comhostmaster@dreamhost.com 2026-03-17 #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=1771291435 | ||||||
Subdomains
www.bt-option.com |
Same first word
bt-option.com |
DNS History
11 records (6 active, 5 former)
●NSns1.dreamhost.com2016-12-19 → 2026-03-24 · 2 obs
● 2026-03-24 10:47:14
●NSns2.dreamhost.com2016-12-19 → 2026-03-24 · 2 obs
● 2026-03-24 10:47:14
●NSns3.dreamhost.com2016-12-19 → 2026-03-24 · 2 obs
● 2026-03-24 10:47:14
●MXmx1.mailchannels.net2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 10:47:14
○MXmx1.sub5.homie.mail.dreamhost.com2016-12-19 → 2016-12-19 · 3 obs
○ 2018-07-04 23:03:38
○ 2026-03-24 10:47:14
●MXmx2.mailchannels.net2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 10:47:14
○MXmx2.sub5.homie.mail.dreamhost.com2016-12-19 → 2016-12-19 · 3 obs
○ 2018-07-04 23:03:38
○ 2026-03-24 10:47:14
○MXvade-in1.mail.dreamhost.com2018-07-04 → 2018-07-04 · 3 obs
● 2018-07-04 23:03:38
○ 2026-03-24 10:47:14
○MXvade-in2.mail.dreamhost.com2018-07-04 → 2018-07-04 · 3 obs
● 2018-07-04 23:03:38
○ 2026-03-24 10:47:14
●A173.236.255.772026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 10:47:14
○A66.33.218.2182016-12-19 → 2018-07-04 · 3 obs
● 2018-07-04 23:03:38
○ 2026-03-24 10:47:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net... | - |
| bt-option.com | ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com | 3 records |
✅ Authoritative Response
Server:162.159.26.14
NS records: ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bt-option.com (unsigned zone)
⏱️ Timing
Total: 187ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.236.255.77 |
| NS | 3 | ns3.dreamhost.com, ns2.dreamhost.com... |
| MX | 2 | mx1.mailchannels.net (pri: 0), mx2.mailchannels.net (pri: 0) |
| TXT | 1 | v=spf1 mx include:netblocks.dreamhost.co |
| SOA | 1 | ns1.dreamhost.com hostmaster.dreamhost.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com)
Analysis
Hierarchy
The parent of www.bt-option.com is bt-option.com.
IP Addresses
bt-option.com points to an IP address: 173.236.255.77.
other host names include minisaurus.com, swatijaininst.com, apache2-igloo.iad1-shared-b8-22.dreamhost.com, www.bt-option.com and sforza.it; they share IP numbers with bt-option.com.
Name Servers
bt-option.com is delegated to three name servers ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.
bt-option.com at least partially shares name servers with other domains, for instance vistaparque.cl, rockethouse.net, sikmedia.com, itaxplus.ca and eyecaremd.org.
Host names with one IP:
ns1.dreamhost.com points to 162.159.26.14; ns2.dreamhost.com points to 162.159.26.81; ns3.dreamhost.com points to 162.159.27.84.
Mail Servers
bt-option.com is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
bt-option.com uses the same mail server setup as other domains, for instance friedmont.com, healthandfitnessnetwork.com, skink-ink.com, macintoshdesign.com and unicon.com.eg.
bt-option.com shares at least some mail servers with other domains, including mybytes.de and due.se.
Host names with one IP:
mx1.mailchannels.net points to: 18.236.29.166
mx2.mailchannels.net points to: 52.38.143.159