firstclassplus.com - dns.ninja
firstclassplus.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.55.149.9🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | hostedc45.carrierzone.com | ||||||
| NS | ns1.digitalspaceportal.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 66.175.41.73🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns1c45.carrierzone.com | ||||||
| NS | ns1.att-websites.com ⚠️ Not in zone NS records | ||||||
| A | 66.175.41.73🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns1c45.carrierzone.com | ||||||
| NS | ns2.att-websites.com ⚠️ Not in zone NS records | ||||||
| A | 209.235.143.99🇨🇦 INFB209.235.128.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns2c45.carrierzone.com | ||||||
| NS | ns2.digitalspaceportal.net ⚠️ Not in parent delegation | ||||||
| A | 209.235.143.99🇨🇦 INFB209.235.128.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | ns2c45.carrierzone.com | ||||||
| MX | mx1c45.carrierzone.com ⭐ | ||||||
| A | 216.55.149.41🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx1c45.carrierzone.com | ||||||
| MX | mx2c45.carrierzone.com(100) | ||||||
| A | 216.55.149.42🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx2c45.carrierzone.com | ||||||
| MX | mx3c45.carrierzone.com(110) | ||||||
| A | 216.55.149.43🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx3c45.carrierzone.com | ||||||
| MX | mx4c45.carrierzone.com(120) | ||||||
| A | 216.55.149.44🇨🇦 INFB216.55.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada | ||||||
| PTR | mx4c45.carrierzone.com | ||||||
| SOA | ns1.digitalspaceportal.netpostmaster@carrierzone.com 2025-12-01 #10 | ||||||
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=1784100382 | ||||||
Same first word
firstclassplus.com |
DNS History
10 records (9 active, 1 former)
●NSns1.att-websites.com2015-06-27 → 2026-07-15 · 2 obs
● 2026-07-15 07:37:34
●NSns1.digitalspaceportal.net2026-04-02 → 2026-07-15 · 3 obs
● 2026-04-02 03:26:58
● 2026-07-15 07:37:34
●NSns2.att-websites.com2015-06-27 → 2026-07-15 · 2 obs
● 2026-07-15 07:37:34
●NSns2.digitalspaceportal.net2026-04-02 → 2026-07-15 · 3 obs
● 2026-04-02 03:26:58
● 2026-07-15 07:37:34
●MXmx1c45.carrierzone.com2015-06-27 → 2026-07-15 · 2 obs
● 2026-07-15 07:37:34
●MXmx2c45.carrierzone.com2015-06-27 → 2026-07-15 · 2 obs
● 2026-07-15 07:37:34
●MXmx3c45.carrierzone.com2015-06-27 → 2026-07-15 · 2 obs
● 2026-07-15 07:37:34
●MXmx4c45.carrierzone.com2015-06-27 → 2026-07-15 · 2 obs
● 2026-07-15 07:37:34
○A149.115.16.82015-06-27 → 2020-01-07 · 4 obs
● 2020-01-07 19:55:42
○ 2026-04-02 03:26:58
○ 2026-07-15 07:37:34
●A216.55.149.92026-04-02 → 2026-07-15 · 3 obs
● 2026-04-02 03:26:58
● 2026-07-15 07:37:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstclassplus.com | ns1.att-websites.com, ns2.att-websites.com | 2 records |
✅ Authoritative Response
Server:209.235.143.99
NS records: ns1.att-websites.com, ns2.att-websites.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclassplus.com (unsigned zone)
⏱️ Timing
Total: 367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.55.149.9 |
| NS | 2 | ns1.digitalspaceportal.net, ns2.digitalspaceportal.net |
| MX | 4 | mx2c45.carrierzone.com (pri: 100), mx4c45.carrierzone.com (pri: 120)... |
| SOA | 1 | ns1.digitalspaceportal.net postmaster.ca |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.att-websites.com, ns2.att-websites.com)
Analysis
IP Addresses
firstclassplus.com directs to one IP number, which is 216.55.149.9.
Among the host names that share IP numbers with firstclassplus.com are wrbmanagement.com, www.compucity.com, healthpropt.com and two others.
Name Servers
The domain firstclassplus.com is delegated to these four name servers: ns1.att-websites.com, ns2.att-websites.com, ns1.digitalspaceportal.net and ns2.digitalspaceportal.net.
The name servers of firstclassplus.com overlap at least partially with those of other domains — among them capitol-strategies.net, rasg.net, fcmi-ms.us and two more.
Each of the host names ns1.att-websites.com, ns2.att-websites.com, ns1.digitalspaceportal.net and ns2.digitalspaceportal.net has one IP address: ns1.att-websites.com resolves to 66.175.41.73, ns2.att-websites.com resolves to 209.235.143.99, ns1.digitalspaceportal.net resolves to 66.175.41.73 and ns2.digitalspaceportal.net resolves to 209.235.143.99.
Both ns1.att-websites.com and ns1.digitalspaceportal.net resolve to 66.175.41.73 IP addresses each.
Both ns2.att-websites.com and ns2.digitalspaceportal.net resolve to 209.235.143.99 IP addresses each.
Mail Servers
Mail for firstclassplus.com is handled by four mail servers: mx1c45.carrierzone.com, mx2c45.carrierzone.com, mx3c45.carrierzone.com and mx4c45.carrierzone.com.
firstclassplus.com shares at least some of its mail servers with other domains — for example besla.net, parisfireextinguisher.com, wicktek.net and two more.
mx1c45.carrierzone.com resolves to 216.55.149.41. mx2c45.carrierzone.com resolves to 216.55.149.42. mx3c45.carrierzone.com resolves to 216.55.149.43. mx4c45.carrierzone.com resolves to 216.55.149.44. All four hosts carry exactly one IP address.