postech.ca - robtex.com
postech.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.236.140.216🇺🇸 AS26347173.236.128.0/17 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES | ||||||
| PTR | apache2-bongo.iad1-shared-e1-18.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 | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.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 2026-03-31 #3 | ||||||
ca
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca ⭐ | ||||||
| NS | any.ca-servers.ca | ||||||
| NS | c.ca-servers.ca | ||||||
| NS | d.ca-servers.ca | ||||||
| NS | j.ca-servers.ca | ||||||
| SOA | prd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2605091500 | ||||||
Subdomains
www.postech.ca |
Same first word
Similar names
DNS History
19 records (6 active, 13 former)
○NSdns1.supertechs.org2019-11-02 → 2020-07-12 · 5 obs
● 2019-11-02 18:20:06
● 2020-07-12 20:52:16
○ 2020-11-03 12:07:46
○ 2026-05-09 16:07:02
○NSdns2.supertechs.org2019-11-02 → 2020-07-12 · 5 obs
● 2019-11-02 18:20:06
● 2020-07-12 20:52:16
○ 2020-11-03 12:07:46
○ 2026-05-09 16:07:02
○NSdns3.supertechs.org2019-11-02 → 2020-07-12 · 5 obs
● 2019-11-02 18:20:06
● 2020-07-12 20:52:16
○ 2020-11-03 12:07:46
○ 2026-05-09 16:07:02
○NSdns4.supertechs.org2019-11-02 → 2020-07-12 · 5 obs
● 2019-11-02 18:20:06
● 2020-07-12 20:52:16
○ 2020-11-03 12:07:46
○ 2026-05-09 16:07:02
●NSns1.dreamhost.com2021-09-24 → 2026-05-09 · 3 obs
● 2021-09-24 14:17:16
● 2026-05-09 16:07:02
●NSns2.dreamhost.com2021-09-24 → 2026-05-09 · 3 obs
● 2021-09-24 14:17:16
● 2026-05-09 16:07:02
●NSns3.dreamhost.com2021-09-24 → 2026-05-09 · 3 obs
● 2021-09-24 14:17:16
● 2026-05-09 16:07:02
○NSns57.1and1.com2015-08-13 → 2017-01-01 · 4 obs
● 2017-01-01 06:58:54
○ 2019-11-02 18:20:06
○ 2026-05-09 16:07:02
○NSns58.1and1.com2015-08-13 → 2017-01-01 · 4 obs
● 2017-01-01 06:58:54
○ 2019-11-02 18:20:06
○ 2026-05-09 16:07:02
○MXmx00.1and1.com2015-08-13 → 2017-01-01 · 4 obs
● 2017-01-01 06:58:54
○ 2019-11-02 18:20:06
○ 2026-05-09 16:07:02
○MXmx01.1and1.com2015-08-13 → 2017-01-01 · 4 obs
● 2017-01-01 06:58:54
○ 2019-11-02 18:20:06
○ 2026-05-09 16:07:02
●MXmx1.mailchannels.net2021-09-24 → 2026-05-09 · 3 obs
● 2021-09-24 14:17:16
● 2026-05-09 16:07:02
○MXmx1.supertechs.org2019-11-02 → 2020-07-12 · 5 obs
● 2019-11-02 18:20:06
● 2020-07-12 20:52:16
○ 2020-11-03 12:07:46
○ 2026-05-09 16:07:02
●MXmx2.mailchannels.net2021-09-24 → 2026-05-09 · 3 obs
● 2021-09-24 14:17:16
● 2026-05-09 16:07:02
○MXmx2.supertechs.org2019-11-02 → 2020-07-12 · 5 obs
● 2019-11-02 18:20:06
● 2020-07-12 20:52:16
○ 2020-11-03 12:07:46
○ 2026-05-09 16:07:02
●A173.236.140.2162026-03-03 → 2026-05-09 · 3 obs
● 2026-03-03 15:10:20
● 2026-05-09 16:07:02
○A173.236.226.1592021-09-24 → 2021-09-24 · 4 obs
● 2021-09-24 14:17:16
○ 2026-03-03 15:10:20
○ 2026-05-09 16:07:02
○A198.23.48.512019-11-02 → 2020-07-12 · 5 obs
● 2019-11-02 18:20:06
● 2020-07-12 20:52:16
○ 2020-11-03 12:07:46
○ 2026-05-09 16:07:02
○A216.250.122.852015-08-13 → 2017-01-01 · 4 obs
● 2017-01-01 06:58:54
○ 2019-11-02 18:20:06
○ 2026-05-09 16:07:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca | - |
| postech.ca | ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com | - |
✅ 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 postech.ca (unsigned zone)
⏱️ Timing
Total: 1743ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.236.140.216 |
| NS | 3 | ns1.dreamhost.com, ns2.dreamhost.com... |
| MX | 2 | mx2.mailchannels.net (pri: 0), mx1.mailchannels.net (pri: 0) |
| TXT | 1 | v=spf1 mx include:netblocks.dreamhost.co |
| SOA | 1 | ns1.dreamhost.com hostmaster.dreamhost.c |
Analysis
Hierarchy
The parent of www.postech.ca is postech.ca.
IP Addresses
postech.ca points to IP number: 173.236.140.216.
Other host names such as www.entroterra.org, www.postech.ca, spinwire.net, goldeye.com and writechem.com share IPs with postech.ca.
Name Servers
postech.ca is delegated to three name servers: ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.
postech.ca at least partially shares name servers with other domains, for instance responsiblehomeschooling.org, tmzero.com, dougsassman.com, bomus.net and turtleburger.com.
Host names with a single 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
postech.ca is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
The mail server setup for postech.ca matches that of other domains, for instance colojoe.com, heaven-on-earth.co.uk, archaeologicaltextiles.net, inhabitedkitchen.com and petty.co.
postech.ca shares some mail servers with other domains, at least in part, for instance observatoriodeviolencias.net.
Host names sharing one IP: mx1.mailchannels.net and mx2.mailchannels.net point to 54.187.177.89.