tsrlimited.com - robtex.com
tsrlimited.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns4.supersys.net ⭐ | ||||||
| A | 77.68.91.231🇬🇧 IONOS-AS77.68.0.0/17 Fasthosts Internet Ltd | ||||||
| PTR | cmcontrol.card-manager.com | ||||||
| NS | ns5.supersys.net | ||||||
| A | 77.68.117.168🇬🇧 IONOS-AS77.68.0.0/17 Fasthosts Internet Ltd | ||||||
| PTR | ns5.supersys.net | ||||||
| MX | smtp.tsrlimited.com ⭐ | ||||||
| A | 77.68.94.166🇬🇧 IONOS-AS77.68.0.0/17 Fasthosts Internet Ltd | ||||||
| PTR | mail.supersys.net | ||||||
| MX | mailrelay.tsrlimited.com(50) | ||||||
| A | 83.217.160.173🇬🇧 youfibre83.217.160.0/20 | ||||||
| TXT | v=spf1 a:mail.supersys.net -all | ||||||
| SOA | ns4.supersys.nethostmaster@supersys.net 2025-06-19 #11 | ||||||
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=1774995167 | ||||||
Subdomains
smtp.tsrlimited.com |
mailrelay.tsrlimited.com |
Same first word
tsrlimited.com |
tsrlimited.co.uk |
Similar names
DNS History
12 records (4 active, 8 former)
●NSns4.supersys.net2026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 22:29:30
●NSns5.supersys.net2026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 22:29:30
○NSns67.1and1.co.uk2015-08-15 → 2017-11-23 · 3 obs
● 2017-11-23 23:40:28
○ 2026-03-31 22:29:30
○NSns68.1and1.co.uk2015-08-15 → 2017-11-23 · 3 obs
● 2017-11-23 23:40:28
○ 2026-03-31 22:29:30
●MXmailrelay.tsrlimited.com2026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 22:29:30
○MXmx00.tsrlimited.com2015-08-15 → 2017-11-23 · 3 obs
● 2017-11-23 23:40:28
○ 2026-03-31 22:29:30
○MXmx01.tsrlimited.com2015-08-15 → 2017-11-23 · 3 obs
● 2017-11-23 23:40:28
○ 2026-03-31 22:29:30
●MXsmtp.tsrlimited.com2026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 22:29:30
○A2001:8d8:1000:d4e4:39c6:821:33d4:30002015-08-15 → 2016-04-01 · 4 obs
● 2016-04-01 03:06:50
○ 2016-09-13 22:36:34
○ 2026-03-31 22:29:30
○A2001:8d8:100f:f000::2a02016-09-13 → 2017-11-23 · 4 obs
● 2016-09-13 22:36:34
● 2017-11-23 23:40:28
○ 2026-03-31 22:29:30
○A217.160.0.752016-09-13 → 2017-11-23 · 4 obs
● 2016-09-13 22:36:34
● 2017-11-23 23:40:28
○ 2026-03-31 22:29:30
○A82.165.160.1742015-08-15 → 2016-04-01 · 4 obs
● 2016-04-01 03:06:50
○ 2016-09-13 22:36:34
○ 2026-03-31 22:29:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net... | - |
| tsrlimited.com | ns4.supersys.net, ns5.supersys.net | - |
✅ Authoritative Response
Server:77.68.117.168
NS records: ns4.supersys.net, ns5.supersys.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tsrlimited.com (unsigned zone)
⏱️ Timing
Total: 492ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns5.supersys.net, ns4.supersys.net |
| MX | 2 | mailrelay.tsrlimited.com (pri: 50), smtp.tsrlimited.com (pri: 10) |
| TXT | 1 | v=spf1 a:mail.supersys.net -all |
| SOA | 1 | ns4.supersys.net hostmaster.supersys.net |
Analysis
Hierarchy
tsrlimited.com is a parent of smtp.tsrlimited.com and mailrelay.tsrlimited.com.
Name Servers
tsrlimited.com is delegated to two name servers: ns4.supersys.net and ns5.supersys.net.
tsrlimited.com uses the same name server setup as other domains such as effective-group.com, tsrlimited.co.uk, projectroomltd.co.uk, dcscollect.co.uk and rapidprocessing.co.uk.
Host names with one IP number:
ns4.supersys.net points to: 77.68.91.231.
ns5.supersys.net points to: 77.68.117.168.
Mail Servers
Two mail servers mailrelay.tsrlimited.com and smtp.tsrlimited.com handle tsrlimited.com.
Host names with one IP number:
mailrelay.tsrlimited.com points to: 83.217.160.173.
smtp.tsrlimited.com points to: 77.68.94.166.