firstclass.com - robtex.com
firstclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 205.211.178.221🇨🇦 AS16751205.211.178.0/24 Added on behalf of the customer | ||||||
| PTR | mail.firstclass.com | ||||||
| NS | ns.softarc.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 205.211.178.224🇨🇦 AS16751205.211.178.0/24 Added on behalf of the customer | ||||||
| NS | ns.firstclass.com ⚠️ Not in zone NS records | ||||||
| A | 205.211.178.224🇨🇦 AS16751205.211.178.0/24 Added on behalf of the customer | ||||||
| NS | proxy.firstclass.com | ||||||
| A | 205.211.178.223🇨🇦 AS16751205.211.178.0/24 Added on behalf of the customer | ||||||
| MX | mxa-00102601.gslb.pphosted.com ⭐ | ||||||
| A | 67.231.152.222🇺🇸 Proofpoint67.231.152.0/24 Inc. | ||||||
| PTR | mx0b-00102601.pphosted.com | ||||||
| MX | mxb-00102601.gslb.pphosted.com ⭐ | ||||||
| A | 67.231.144.228🇺🇸 Proofpoint67.231.144.0/24 Inc. | ||||||
| PTR | mx0a-00102601.pphosted.com | ||||||
| TXT | MS=ms72633469 | ||||||
| TXT | v=spf1 ip4:205.211.178.221 ~all | ||||||
| SOA | ns.softarc.compostmaster@softarc.com serial=515 | ||||||
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 | ||||||
rank #329106 in the tld
WOT: SAFE (88/100)
Subdomains
updates.firstclass.com |
proxy.firstclass.com |
mail.firstclass.com |
intl.firstclass.com |
www.firstclass.com |
coolstuff.firstclass.com |
www3.firstclass.com |
fcws.firstclass.com |
ns.firstclass.com |
fcol.firstclass.com |
user.firstclass.com |
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSns.firstclass.com2026-02-14 → 2026-03-04 · 3 obs
● 2026-02-14 20:31:44
● 2026-03-04 17:13:34
●NSns.softarc.com2015-08-31 → 2026-03-04 · 2 obs
● 2026-03-04 17:13:34
○NSns.uunet.ca2015-08-31 → 2019-01-29 · 4 obs
● 2019-01-29 22:13:16
○ 2026-02-14 20:31:44
○ 2026-03-04 17:13:34
●NSproxy.firstclass.com2018-08-30 → 2026-03-04 · 7 obs
● 2018-08-30 05:16:56
● 2018-10-17 08:35:54
○ 2018-12-08 23:34:50
○ 2019-01-29 22:13:16
● 2026-02-14 20:31:44
● 2026-03-04 17:13:34
○MXes01.firstclass.com2017-07-23 → 2019-01-29 · 5 obs
● 2017-07-23 16:27:28
● 2019-01-29 22:13:16
○ 2026-02-14 20:31:44
○ 2026-03-04 17:13:34
○MXes02.firstclass.com2017-07-23 → 2019-01-29 · 5 obs
● 2017-07-23 16:27:28
● 2019-01-29 22:13:16
○ 2026-02-14 20:31:44
○ 2026-03-04 17:13:34
○MXmail.firstclass.com2015-08-31 → 2017-07-17 · 4 obs
● 2017-07-17 03:38:06
○ 2017-07-23 16:27:28
○ 2026-03-04 17:13:34
●MXmxa-00102601.gslb.pphosted.com2026-02-14 → 2026-03-04 · 3 obs
● 2026-02-14 20:31:44
● 2026-03-04 17:13:34
●MXmxb-00102601.gslb.pphosted.com2026-02-14 → 2026-03-04 · 3 obs
● 2026-02-14 20:31:44
● 2026-03-04 17:13:34
○A142.75.67.2122017-07-17 → 2019-01-29 · 5 obs
● 2017-07-17 03:28:14
● 2019-01-29 22:13:16
○ 2026-02-14 20:31:44
○ 2026-03-04 17:13:34
○A192.168.137.122015-08-31 → 2017-07-11 · 4 obs
● 2017-07-11 09:57:18
○ 2017-07-17 03:28:14
○ 2026-03-04 17:13:34
●A205.211.178.2212026-02-14 → 2026-03-04 · 3 obs
● 2026-02-14 20:31:44
● 2026-03-04 17:13:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstclass.com | ns.firstclass.com, proxy.firstclass.com | 2 records |
✅ Authoritative Response
Server: 205.211.178.224
NS records: ns.firstclass.com, proxy.firstclass.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclass.com (unsigned zone)
⏱️ Timing
Total: 207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 205.211.178.221 |
| NS | 2 | ns.softarc.com, proxy.firstclass.com |
| MX | 2 | mxb-00102601.gslb.pphosted.com (pri: 10), mxa-00102601.gslb.pphosted.com (pri: 10) |
| TXT | 2 | v=spf1 ip4:205.211.178.221 ~all, MS=ms72633469 |
| SOA | 1 | ns.softarc.com postmaster.softarc.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns.firstclass.com, proxy.firstclass.com)
Analysis
Hierarchy
firstclass.com is the parent of updates.firstclass.com, proxy.firstclass.com, mail.firstclass.com, intl.firstclass.com, www.firstclass.com and a few other host names.
IP Addresses
firstclass.com points to an IP address: 205.211.178.221.
Other host names, such as mail.firstclass.com, mail.softarc.com and www.firstclass.com, share IP numbers with firstclass.com.
Name Servers
firstclass.com is delegated to three name servers ns.firstclass.com, proxy.firstclass.com and ns.softarc.com.
firstclass.com at least partially shares name servers with other domains, including intl.firstclass.com and softarc.com.
These name servers are commonly used alongside proxy.softarc.com.
Host names with one IP:
ns.firstclass.com points to 205.211.178.224
proxy.firstclass.com points to 205.211.178.223
ns.softarc.com points to 205.211.178.224
Host names pointing to 205.211.178.224: ns.firstclass.com and ns.softarc.com
Mail Servers
firstclass.com is handled by two mail servers: mxa-00102601.gslb.pphosted.com and mxb-00102601.gslb.pphosted.com.
firstclass.com uses the same mail server setup as other domains, for instance erado.com, interchange.com.br, thefaxguys.com, infograph.com and softarc.com.
firstclass.com shares at least partially some mail servers with other domains, for instance wwteam.com, b2bscene.com, b2bscene.net, wwteam.net and wwextranet.com.
these mail servers are commonly used together with smtp.b2bscene.com.
Host names with one IP:
mxa-00102601.gslb.pphosted.com points to: 67.231.152.222
mxb-00102601.gslb.pphosted.com points to: 67.231.144.228