1stsemi.com - robtex.com
1stsemi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 205.178.189.129🇺🇸 Jacksonville205.178.189.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| PTR | underconstruction.networksolutions.com | ||||||
| NS | ns29.worldnic.com ⭐ | ||||||
| A | 162.159.26.132Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns30.worldnic.com | ||||||
| A | 162.159.27.77Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mx001.netsol.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.128🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx31.oxsus-vadesecure.net | ||||||
| MX | mx002.netsol.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.129🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx32.oxsus-vadesecure.net | ||||||
| MX | mx003.netsol.xion.oxcs.net ⭐ | ||||||
| A | 51.81.206.108🇺🇸 OVH51.81.128.0/17 Hosting route | ||||||
| PTR | mx33.oxsus-vadesecure.net | ||||||
| MX | mx004.netsol.xion.oxcs.net ⭐ | ||||||
| A | 51.81.206.109🇺🇸 OVH51.81.128.0/17 Hosting route | ||||||
| PTR | mx34.oxsus-vadesecure.net | ||||||
| TXT | v=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all | ||||||
| SOA | NS29.WORLDNIC.comnamehost@WORLDNIC.com serial=122102611 | ||||||
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=1778305241 | ||||||
Subdomains
www.1stsemi.com |
Same first word
1stsemi.com |
DNS History
16 records (7 active, 9 former)
○NSadns01.la.telepacific.net2015-08-04 → 2016-02-10 · 4 obs
● 2016-02-10 16:24:54
○ 2016-11-20 04:30:32
○ 2026-05-09 06:09:46
○NSadns01.lv.telepacific.net2015-08-04 → 2016-02-10 · 4 obs
● 2016-02-10 16:24:54
○ 2016-11-20 04:30:32
○ 2026-05-09 06:09:46
●NSns29.worldnic.com2016-11-20 → 2026-05-09 · 3 obs
● 2016-11-20 04:30:32
● 2026-05-09 06:09:46
●NSns30.worldnic.com2016-11-20 → 2026-05-09 · 3 obs
● 2016-11-20 04:30:32
● 2026-05-09 06:09:46
○MXinbound.1stsemi.com.netsolmail.net2016-11-20 → 2017-05-22 · 5 obs
● 2016-11-20 04:30:32
● 2017-05-22 13:11:00
○ 2026-04-10 00:38:26
○ 2026-05-09 06:09:46
●MXmx001.netsol.xion.oxcs.net2026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 00:38:26
● 2026-05-09 06:09:46
●MXmx002.netsol.xion.oxcs.net2026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 00:38:26
● 2026-05-09 06:09:46
●MXmx003.netsol.xion.oxcs.net2026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 00:38:26
● 2026-05-09 06:09:46
●MXmx004.netsol.xion.oxcs.net2026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 00:38:26
● 2026-05-09 06:09:46
○MXmx1la.telepacific.net2015-08-04 → 2016-02-10 · 4 obs
● 2016-02-10 16:24:54
○ 2016-11-20 04:30:32
○ 2026-05-09 06:09:46
○MXmx1lv.telepacific.net2015-08-04 → 2016-02-10 · 4 obs
● 2016-02-10 16:24:54
○ 2016-11-20 04:30:32
○ 2026-05-09 06:09:46
○MXmx2la.telepacific.net2015-08-04 → 2016-02-10 · 4 obs
● 2016-02-10 16:24:54
○ 2016-11-20 04:30:32
○ 2026-05-09 06:09:46
○MXmx2lv.telepacific.net2015-08-04 → 2016-02-10 · 4 obs
● 2016-02-10 16:24:54
○ 2016-11-20 04:30:32
○ 2026-05-09 06:09:46
●A205.178.189.1292026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 00:38:26
● 2026-05-09 06:09:46
○A206.188.192.2362016-11-20 → 2017-05-22 · 5 obs
● 2016-11-20 04:30:32
● 2017-05-22 13:11:00
○ 2026-04-10 00:38:26
○ 2026-05-09 06:09:46
○A208.57.27.712015-08-04 → 2016-02-10 · 4 obs
● 2016-02-10 16:24:54
○ 2016-11-20 04:30:32
○ 2026-05-09 06:09:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 1stsemi.com | ns29.worldnic.com, ns30.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.77
NS records: ns29.worldnic.com, ns30.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1stsemi.com (unsigned zone)
⏱️ Timing
Total: 248ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 205.178.189.129 |
| NS | 2 | ns29.worldnic.com, ns30.worldnic.com |
| MX | 4 | mx002.netsol.xion.oxcs.net (pri: 10), mx004.netsol.xion.oxcs.net (pri: 10)... |
| TXT | 1 | v=spf1 include:spf.registeredsite.com in |
| SOA | 1 | NS29.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns29.worldnic.com, ns30.worldnic.com)
Analysis
Hierarchy
1stsemi.com is parent of www.1stsemi.com.
IP Addresses
1stsemi.com points to a single IP: 205.178.189.129.
Other host names, for instance princesstheater.org, tarjetalaanonima.com, kqmember.com, mx.nanoprecisionmfg.com and amcbroke.com share IP numbers with 1stsemi.com.
Name Servers
1stsemi.com's delegation is to two name servers ns29.worldnic.com and ns30.worldnic.com.
1stsemi.com shares the same name server configuration as other domains, such as golfclubofca.com, proveris.com, ftinet.com, sicamu.com and lightseedenterprises.com.
Host names with a single IP:
ns29.worldnic.com resolves to 162.159.26.132.
ns30.worldnic.com resolves to 162.159.27.77.
Mail Servers
1stsemi.com is handled by four mail servers: mx001.netsol.xion.oxcs.net, mx002.netsol.xion.oxcs.net, mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net.
1stsemi.com shares some mail servers with other domains, including larx.com, barefootcentral.com, sudancoop.net, rockyahma.org and wfw.us.
Host names with one IP number: mx001.netsol.xion.oxcs.net points to 173.45.18.128; mx002.netsol.xion.oxcs.net points to 173.45.18.129; mx003.netsol.xion.oxcs.net points to 51.81.206.108; mx004.netsol.xion.oxcs.net points to 51.81.206.109.