sem-inc.com - robtex.com
sem-inc.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=1771291435 | ||||||
PTR for
3.2.c.8.0.a.2.4.0.0.0.0.0.0.0.0.5.c.e.0.1.0.0.0.0.7.4.0.1.0.0.2.ip6.arpa |
35.140.160.66.in-addr.arpa |
3.61.49.65.in-addr.arpa |
Same first word
sem-inc.com |
Similar names
sme-inc.net |
mes-inc.com |
mine-sc.co.jp |
msci-en.com |
sem-nic.com |
ems-inc.jp |
ems-inc.us |
sme-inc.us |
mec-ins.co.jp |
DNS History
13 records (8 active, 5 former)
○MXsem-inc.com2015-08-05 → 2017-05-31 · 3 obs
● 2017-05-31 06:49:32
○ 2026-03-23 10:39:50
●MXseminc-com0i.mail.protection.outlook.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 10:39:50
○A2001:470:0:21f::4113:9f512015-08-05 → 2017-05-31 · 3 obs
● 2017-05-31 06:49:32
○ 2026-03-23 10:39:50
●A2001:470:0:87::4131:3d032026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 10:39:50
○A2001:470:1:ec5::42a0:8c232026-03-23 → 2026-03-23 · 1 obs
○A65.19.159.812015-08-05 → 2017-05-31 · 3 obs
● 2017-05-31 06:49:32
○ 2026-03-23 10:39:50
●A65.49.61.32026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 10:39:50
○A66.160.140.352026-03-23 → 2026-03-23 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net... | - |
| sem-inc.com | ns1.he.net, ns2.he.net, ns3.he.net | - |
✅ Authoritative Response
Server:216.218.132.2
NS records: ns1.he.net, ns2.he.net, ns3.he.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sem-inc.com (unsigned zone)
⏱️ Timing
Total: 834ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 65.49.61.3 |
| AAAA | 1 | 2001:470:0:87::4131:3d03 |
| NS | 5 | ns2.he.net, ns5.he.net... |
| MX | 1 | seminc-com0i.mail.protection.outlook.com |
| TXT | 5 | MS=ms11453105, cnv3v8f14mk4bqv28cbt5vsqu3... |
| SOA | 1 | ns1.he.net hostmaster.he.net |
Analysis
IP Addresses
sem-inc.com resolves to two IP numbers: 2001:470:0:87::4131:3d03 and 65.49.61.3.
Name Servers
sem-inc.com is delegated to five name servers: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net and ns5.he.net.
sem-inc.com at least partially shares name servers with other domains, for instance retrotechnology.com, yh188u.com, sensorium.com.tr, interrupt11.net and 4voip.ru.
these name servers are commonly used alongside ns2.afraid.org.
Host names with two IP numbers:
ns1.he.net points to 2001:470:100::2 and 216.218.130.2
ns2.he.net points to 2001:470:200::2 and 216.218.131.2
ns3.he.net points to 2001:470:300::2 and 216.218.132.2
ns4.he.net points to 2001:470:400::2 and 216.66.1.2
ns5.he.net points to 2001:470:500::2 and 216.66.80.18
Mail Servers
sem-inc.com is handled by a single mail server, seminc-com0i.mail.protection.outlook.com.
Host seminc-com0i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c802::, 2a01:111:f403:c922::, 2a01:111:f403:c936::, 2a01:111:f403:f90d::, 40.93.192.1, 52.101.8.44, 52.101.9.5 and 52.101.10.6.