computational-astronomer.com - robtex.com
computational-astronomer.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.29.145.9🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | hostedc25.carrierzone.com | ||||||
| NS | ns1.carrierzone.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:1810:9980:3::10🇨🇦 INFB2001:1810:9980::/48 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns1.carrierzone.com | ||||||
| A | 66.175.41.100🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns1.carrierzone.com | ||||||
| NS | ns1.speakeasy.net ⚠️ Not in zone NS records | ||||||
| A | 64.29.149.113🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns1.megapathhosting.com | ||||||
| NS | ns2.carrierzone.com ⚠️ Not in parent delegation | ||||||
| A | 2001:1810:4000:3::10🇨🇦 INFB2001:1810:4000::/35 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns2.carrierzone.com | ||||||
| A | 209.235.144.104🇨🇦 INFB209.235.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns2.carrierzone.com | ||||||
| NS | ns2.speakeasy.net ⚠️ Not in zone NS records | ||||||
| A | 64.29.153.113🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns2.megapathhosting.com | ||||||
| NS | ns3.carrierzone.com ⚠️ Not in parent delegation | ||||||
| A | 2001:1810:1000:3::10🇨🇦 INFB2001:1810:1000::/36 | ||||||
| PTR | ns3.myebiz.ca | ||||||
| PTR | ns3.carrierzone.com | ||||||
| A | 69.49.97.154🇨🇦 INFB69.49.96.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns3.carrierzone.com | ||||||
| NS | ns4.carrierzone.com ⚠️ Not in parent delegation | ||||||
| A | 2001:1810:4000:3::11🇨🇦 INFB2001:1810:4000::/35 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns4.carrierzone.com | ||||||
| A | 209.235.143.98🇨🇦 INFB209.235.128.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns4.carrierzone.com | ||||||
| MX | mx1c25.carrierzone.com ⭐ | ||||||
| A | 64.29.145.41🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx1c25.carrierzone.com | ||||||
| MX | mx2c25.carrierzone.com(100) | ||||||
| A | 64.29.145.46🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx2c25.carrierzone.com | ||||||
| MX | mx3c25.carrierzone.com(110) | ||||||
| A | 64.29.145.47🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx3c25.carrierzone.com | ||||||
| MX | mx4c25.carrierzone.com(120) | ||||||
| A | 64.29.145.48🇨🇦 INFB64.29.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx4c25.carrierzone.com | ||||||
| TXT | v=spf1 include:spfc25.carrierzone.com ~all | ||||||
| SOA | ns1.carrierzone.comadmin@carrierzone.com serial=1011 | ||||||
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=1786168294 | ||||||
Same first word
computational-astronomer.com |
DNS History
11 records (11 active, 0 former)
●NSns1.carrierzone.com2015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
●NSns1.speakeasy.net2026-05-02 → 2026-08-08 · 3 obs
● 2026-05-02 13:14:06
● 2026-08-08 05:52:42
●NSns2.carrierzone.com2015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
●NSns2.speakeasy.net2026-05-02 → 2026-08-08 · 3 obs
● 2026-05-02 13:14:06
● 2026-08-08 05:52:42
●NSns3.carrierzone.com2015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
●NSns4.carrierzone.com2015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
●MXmx1c25.carrierzone.com2015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
●MXmx2c25.carrierzone.com2015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
●MXmx3c25.carrierzone.com2015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
●MXmx4c25.carrierzone.com2015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
●A64.29.145.92015-06-28 → 2026-08-08 · 2 obs
● 2026-08-08 05:52:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| computational-astronomer.com | ns2.speakeasy.net, ns1.speakeasy.net | - |
✅ Authoritative Response
Server:64.29.149.113
NS records: ns2.speakeasy.net, ns1.speakeasy.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for computational-astronomer.com (unsigned zone)
⏱️ Timing
Total: 532ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.29.145.9 |
| NS | 4 | ns4.carrierzone.com, ns3.carrierzone.com... |
| MX | 4 | mx4c25.carrierzone.com (pri: 120), mx3c25.carrierzone.com (pri: 110)... |
| TXT | 1 | v=spf1 include:spfc25.carrierzone.com ~a |
| SOA | 1 | ns1.carrierzone.com admin.carrierzone.co |
Analysis
IP Addresses
computational-astronomer.com has exactly one IP address — 64.29.145.9.
heritagelearningcenter.com, bf.org, ctrline.net plus two other host names have IP numbers in common with computational-astronomer.com.
Name Servers
computational-astronomer.com has 6 name servers — ns1.carrierzone.com, ns2.carrierzone.com, ns3.carrierzone.com and 3 others.
computational-astronomer.com has at least partial name server overlap with other domains, such as mpmiusa.com, termigon.com, pacificmillimeter.com and two others.
ns4.carrierzone.com, ns1.speakeasy.net and ns2.speakeasy.net — plus 7 other name servers — are commonly paired with these name servers.
Host names pointing to two IP addresses:
ns1.carrierzone.com resolves to 66.175.41.100 and 2001:1810:9980:3::10.
ns2.carrierzone.com resolves to 209.235.144.104 and 2001:1810:4000:3::10.
ns3.carrierzone.com resolves to 69.49.97.154 and 2001:1810:1000:3::10.
ns4.carrierzone.com resolves to 209.235.143.98 and 2001:1810:4000:3::11.
Host names resolving to a single IP address:
ns1.speakeasy.net resolves to 64.29.149.113.
ns2.speakeasy.net resolves to 64.29.153.113.
Mail Servers
computational-astronomer.com has four mail servers: mx1c25.carrierzone.com, mx2c25.carrierzone.com, mx3c25.carrierzone.com and mx4c25.carrierzone.com.
At least some of the mail servers used by computational-astronomer.com are shared with other domains: prrths.com, php4.uplinkearthhosting.com, parksandassociates.com and two others among them.
Four host names, each with one IP address: mx1c25.carrierzone.com has 64.29.145.41, mx2c25.carrierzone.com has 64.29.145.46, mx3c25.carrierzone.com has 64.29.145.47 and mx4c25.carrierzone.com has 64.29.145.48.