alexkatz.com - robtex.com
alexkatz.com
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=1774529672 | ||||||
rank #340088 in the tld
WOT: UNKNOWN (61/100)
Subdomains
Same first word
DNS History
16 records (8 active, 8 former)
○NSns.el.net2007-12-19 → 2007-12-19 · 3 obs
○ 2015-07-03 02:53:50
○ 2026-03-26 12:56:12
●NSns1.alexkatz.com2026-03-10 → 2026-03-26 · 3 obs
● 2026-03-10 18:11:26
● 2026-03-26 12:56:12
○NSns1.mediatemple.net2015-07-03 → 2017-03-23 · 5 obs
● 2015-07-03 02:53:50
● 2017-03-23 07:06:32
○ 2026-03-10 18:11:26
○ 2026-03-26 12:56:12
●NSns2.alexkatz.com2026-03-10 → 2026-03-26 · 3 obs
● 2026-03-10 18:11:26
● 2026-03-26 12:56:12
○NSns2.el.net2007-12-19 → 2007-12-19 · 3 obs
○ 2015-07-03 02:53:50
○ 2026-03-26 12:56:12
○NSns2.mediatemple.net2015-07-03 → 2017-03-23 · 5 obs
● 2015-07-03 02:53:50
● 2017-03-23 07:06:32
○ 2026-03-10 18:11:26
○ 2026-03-26 12:56:12
●MXalt1.aspmx.l.google.com2016-04-22 → 2026-03-26 · 3 obs
● 2016-04-22 21:07:16
● 2026-03-26 12:56:12
●MXalt2.aspmx.l.google.com2016-04-22 → 2026-03-26 · 3 obs
● 2016-04-22 21:07:16
● 2026-03-26 12:56:12
●MXalt3.aspmx.l.google.com2016-04-22 → 2026-03-26 · 3 obs
● 2016-04-22 21:07:16
● 2026-03-26 12:56:12
●MXalt4.aspmx.l.google.com2016-04-22 → 2026-03-26 · 3 obs
● 2016-04-22 21:07:16
● 2026-03-26 12:56:12
●MXaspmx.l.google.com2016-04-22 → 2026-03-26 · 3 obs
● 2016-04-22 21:07:16
● 2026-03-26 12:56:12
○MXmail.alexkatz.com2015-07-03 → 2016-02-02 · 5 obs
● 2015-07-03 02:53:50
● 2016-02-02 16:21:56
○ 2016-04-22 21:07:16
○ 2026-03-26 12:56:12
○MXmail.el.net2007-12-19 → 2007-12-19 · 3 obs
○ 2015-07-03 02:53:50
○ 2026-03-26 12:56:12
●A159.198.75.572026-03-10 → 2026-03-26 · 3 obs
● 2026-03-10 18:11:26
● 2026-03-26 12:56:12
○A205.186.179.922015-07-03 → 2017-03-23 · 5 obs
● 2015-07-03 02:53:50
● 2017-03-23 07:06:32
○ 2026-03-10 18:11:26
○ 2026-03-26 12:56:12
○A66.117.34.362007-12-19 → 2007-12-19 · 3 obs
○ 2015-07-03 02:53:50
○ 2026-03-26 12:56:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net... | - |
| alexkatz.com | ns1.alexkatz.com, ns2.alexkatz.com | 2 records |
✅ Authoritative Response
Server:159.198.75.57
NS records: ns1.alexkatz.com, ns2.alexkatz.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alexkatz.com (unsigned zone)
⏱️ Timing
Total: 269ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.198.75.57 |
| NS | 2 | ns2.alexkatz.com, ns1.alexkatz.com |
| MX | 5 | ALT3.ASPMX.L.GOOGLE.COM (pri: 10), ASPMX.L.GOOGLE.COM (pri: 1)... |
| TXT | 1 | v=spf1 ip4:159.198.75.57 +a +mx +ip4:192 |
| SOA | 1 | ns1.alexkatz.com hosting-notifications.n |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.alexkatz.com, ns2.alexkatz.com)
Analysis
Hierarchy
alexkatz.com is a parent of ns1.alexkatz.com, server1.alexkatz.com and ns2.alexkatz.com.
IP Addresses
alexkatz.com resolves to one IP number: 159.198.75.57.
Other host names, for instance ns1.alexkatz.com, server1.alexkatz.com and ns2.alexkatz.com share IP numbers with alexkatz.com.
Name Servers
alexkatz.com's delegation uses two name servers: ns1.alexkatz.com and ns2.alexkatz.com.
alexkatz.com uses the same name server setup as other domains, for example server1.alexkatz.com.
Host names with a single IP number:
The host name ns1.alexkatz.com points to 159.198.75.57.
The host name ns2.alexkatz.com points to 159.198.75.57.
Host names pointing to 159.198.75.57: ns1.alexkatz.com and ns2.alexkatz.com.
Mail Servers
alexkatz.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
alexkatz.com shares at least some mail servers with other domains, for example valuemedia.de, ns500765.ns500734.ns500734.ns500699.ns500699.ns500728.ns500588.ns500699.ns500588.ns500683.ns500699.ns500612.ns500632.ns500110.dtrkdll.com, mediprint.us, ns500693.ns500734.ns500699.ns500693.ns500693.ns500699.ns500693.ns500693.ns500588.ns500683.ns500632.ns500588.ns500588.ns500612.ns500588.ns500578.ns500110.dtrkdll.com and ns500699.ns500693.ns500693.ns500734.ns500693.ns500699.ns500699.ns500734.ns500699.ns500588.ns500588.ns500693.ns500588.ns500632.ns500612.ns500588.ns500578.ns500110.dtrkdll.com.
these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to: 2607:f8b0:4004:c25::1b and 142.251.16.26.
alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.26.
alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.26.
alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1a and 192.178.223.26.
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1b and 173.194.76.26.