semrsys.com - robtex.com
semrsys.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.12.17.13🇺🇸 NTELOS216.12.17.0/24 Registered route for Lumos Fiber | ||||||
| PTR | ddavis.wb.mvl.ntelos.net | ||||||
| NS | ns49.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2182::19🇺🇸 GODADDY-DNS2603:5:2180::/44 | ||||||
| PTR | ns49.domaincontrol.com | ||||||
| A | 97.74.104.25🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns49.domaincontrol.com | ||||||
| NS | ns50.domaincontrol.com | ||||||
| A | 2603:5:2282::19🇺🇸 GODADDY-DNS2603:5:2280::/44 | ||||||
| PTR | ns50.domaincontrol.com | ||||||
| A | 173.201.72.25🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns50.domaincontrol.com | ||||||
| MX | semrsys.com ⭐ | ||||||
| A | 216.12.17.13🇺🇸 NTELOS216.12.17.0/24 Registered route for Lumos Fiber | ||||||
| PTR | ddavis.wb.mvl.ntelos.net | ||||||
| SOA | ns49.domaincontrol.comdns@jomax.net 2025-03-31 #0 | ||||||
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=1774754032 | ||||||
MX for
semrsys.com |
Same first word
semrsys.com |
DNS History
5 records (4 active, 1 former)
●NSns49.domaincontrol.com2015-07-07 → 2026-03-29 · 2 obs
● 2026-03-29 03:40:30
●NSns50.domaincontrol.com2015-07-07 → 2026-03-29 · 2 obs
● 2026-03-29 03:40:30
●MXsemrsys.com2015-07-07 → 2026-03-29 · 2 obs
● 2026-03-29 03:40:30
○A192.155.88.442015-07-07 → 2017-01-08 · 4 obs
● 2017-01-08 21:09:56
○ 2026-03-28 00:27:06
○ 2026-03-29 03:40:30
●A216.12.17.132026-03-28 → 2026-03-29 · 3 obs
● 2026-03-28 00:27:06
● 2026-03-29 03:40:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| semrsys.com | ns49.domaincontrol.com, ns50.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.104.25
NS records: ns49.domaincontrol.com, ns50.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for semrsys.com (unsigned zone)
⏱️ Timing
Total: 101ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.12.17.13 |
| NS | 2 | ns49.domaincontrol.com, ns50.domaincontrol.com |
| MX | 1 | semrsys.com (pri: 0) |
| SOA | 1 | ns49.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns49.domaincontrol.com, ns49.domaincontrol.com, ns50.domaincontrol.com...)
Analysis
Mail Server Role
semrsys.com serves as the mail server for semrsys.com.
IP Addresses
semrsys.com points to a single IP address: 216.12.17.13.
Other host names such as rogershellman.com and ddavis.wb.mvl.ntelos.net share IP numbers with semrsys.com.
Name Servers
semrsys.com is delegated to two name servers: ns49.domaincontrol.com and ns50.domaincontrol.com.
semrsys.com uses the same name server setup as other domains, including cimov.com, referente.mx, foundkarma.com, coatingsystems.co.uk and be-a-better-man.ca.
semrsys.com shares some name servers with other domains, for example genex-mission.com.
Host names with two IP numbers:
ns49.domaincontrol.com points to 2603:5:2182::19 and 97.74.104.25.
ns50.domaincontrol.com points to 2603:5:2282::19 and 173.201.72.25.
Mail Servers
Mail for semrsys.com is handled by a single mail server, semrsys.com.
Host semrsys.com points to IP 216.12.17.13.