albertchen.com - robtex.com
albertchen.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.195.76.102🇺🇸 VOBIZ204.195.64.0/18 CA Region aggregate | ||||||
| PTR | altar.istep.com | ||||||
| NS | ns1.systemdns.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
| MX | filter38.istep.com ⭐ | ||||||
| A | 64.98.38.4🇨🇦 TUCOWS-364.98.38.0/24 IPv4 Allow | ||||||
| PTR | mx.b.hostedemail.com | ||||||
| TXT | v=spf1 a include:istep.com ip4:72.34.104.200 -all | ||||||
| SOA | ns1.systemdns.comhostmaster@systemdns.com serial=1752190266 | ||||||
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=1774807047 | ||||||
Subdomains
email.albertchen.com |
Same first word
albertchen.com |
albertchen.top |
Similar names
DNS History
20 records (5 active, 15 former)
○NSns1.istep.com2015-06-27 → 2017-07-04 · 5 obs
● 2015-06-27 10:48:36
● 2017-07-04 12:35:14
○ 2026-03-19 10:32:14
○ 2026-03-29 18:18:10
●NSns1.systemdns.com2026-03-19 → 2026-03-29 · 3 obs
● 2026-03-19 10:32:14
● 2026-03-29 18:18:10
○NSns2.istep.com2015-06-27 → 2017-07-04 · 5 obs
● 2015-06-27 10:48:36
● 2017-07-04 12:35:14
○ 2026-03-19 10:32:14
○ 2026-03-29 18:18:10
●NSns2.systemdns.com2026-03-19 → 2026-03-29 · 3 obs
● 2026-03-19 10:32:14
● 2026-03-29 18:18:10
○NSns3.istep.com2015-06-27 → 2017-07-04 · 5 obs
● 2015-06-27 10:48:36
● 2017-07-04 12:35:14
○ 2026-03-19 10:32:14
○ 2026-03-29 18:18:10
●NSns3.systemdns.com2026-03-19 → 2026-03-29 · 3 obs
● 2026-03-19 10:32:14
● 2026-03-29 18:18:10
○NSns8.san.yahoo.com2007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○NSns9.san.yahoo.com2007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○NSyns1.yahoo.com2007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○NSyns2.yahoo.com2007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○MXemail.albertchen.com2015-06-27 → 2017-07-04 · 5 obs
● 2015-06-27 10:48:36
● 2017-07-04 12:35:14
○ 2026-03-19 10:32:14
○ 2026-03-29 18:18:10
●MXfilter38.istep.com2026-03-19 → 2026-03-29 · 3 obs
● 2026-03-19 10:32:14
● 2026-03-29 18:18:10
○MXmxvm2.mail.yahoo.com2007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
●A204.195.76.1022015-06-27 → 2026-03-29 · 3 obs
● 2015-06-27 10:48:36
● 2026-03-29 18:18:10
○A216.39.58.1562007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○A216.39.58.1572007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○A216.39.58.1582007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○A216.39.58.1592007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○A216.39.58.1702007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
○A216.39.58.1712007-10-31 → 2007-10-31 · 3 obs
○ 2015-06-27 10:48:36
○ 2026-03-29 18:18:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net... | - |
| albertchen.com | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | 6 records |
✅ Authoritative Response
Server:64.99.96.36
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for albertchen.com (unsigned zone)
⏱️ Timing
Total: 249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.195.76.102 |
| NS | 3 | ns2.systemdns.com, ns1.systemdns.com... |
| MX | 1 | filter38.istep.com (pri: 5) |
| TXT | 1 | v=spf1 a include:istep.com ip4:72.34.104 |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)
Analysis
Hierarchy
albertchen.com is parent of email.albertchen.com.
IP Addresses
albertchen.com points to a single IP: 204.195.76.102.
Other host names, for instance cosuvina.com, istep.net, alist.org, termanservices.com and www.alist.org share IP numbers with albertchen.com.
Name Servers
albertchen.com is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
albertchen.com at least partially shares its name servers with other domains, for instance maledvdnetwork.com, eurocom.ca, groupibi.com, letitraingutters.net and allthingsmedical.net.
Host names with two IP numbers:
ns1.systemdns.com points to: 2604:4000:0:d:216:40:47:90 and 216.40.47.90.
ns2.systemdns.com points to: 2604:4000:2800:d:64:99:148:16 and 64.98.148.16.
ns3.systemdns.com points to: 2604:4000:0:d:64:99:96:36 and 64.99.96.36.
Mail Servers
albertchen.com is served by a single mail server, filter38.istep.com.
albertchen.com uses the same mail server setup as other domains such as bescoproducts.com, chenglawgroup.com, daretochange.com, jenniferjwong.com and chengs.com.
filter38.istep.com points to IP number 64.98.38.4.