sys-tron.com - robtex.com
sys-tron.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=1774731907 | ||||||
Subdomains
mail.sys-tron.com |
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
○NSns.udag.de2015-08-05 → 2017-01-31 · 4 obs
● 2017-01-31 10:31:36
○ 2018-11-10 06:48:54
○ 2026-03-28 21:31:16
○NSns.udag.net2015-08-05 → 2017-01-31 · 4 obs
● 2017-01-31 10:31:36
○ 2018-11-10 06:48:54
○ 2026-03-28 21:31:16
○NSns.udag.org2015-08-05 → 2017-01-31 · 4 obs
● 2017-01-31 10:31:36
○ 2018-11-10 06:48:54
○ 2026-03-28 21:31:16
●NSns5.kasserver.com2018-11-10 → 2026-03-28 · 3 obs
● 2018-11-10 06:48:54
● 2026-03-28 21:31:16
●NSns6.kasserver.com2018-11-10 → 2026-03-28 · 3 obs
● 2018-11-10 06:48:54
● 2026-03-28 21:31:16
○MXmail.sys-tron.com2018-11-10 → 2018-11-10 · 3 obs
● 2018-11-10 06:48:54
○ 2026-03-28 21:31:16
○MXmx00.udag.de2015-08-05 → 2017-01-31 · 4 obs
● 2017-01-31 10:31:36
○ 2018-11-10 06:48:54
○ 2026-03-28 21:31:16
○MXmx01.udag.de2015-08-05 → 2017-01-31 · 4 obs
● 2017-01-31 10:31:36
○ 2018-11-10 06:48:54
○ 2026-03-28 21:31:16
●MXsystron-com0i.mail.protection.outlook.com2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 21:31:16
●A85.13.156.2512018-11-10 → 2026-03-28 · 3 obs
● 2018-11-10 06:48:54
● 2026-03-28 21:31:16
○A89.31.143.1002015-11-22 → 2015-11-22 · 4 obs
● 2015-11-22 11:53:34
○ 2016-02-24 07:06:20
○ 2026-03-28 21:31:16
○A89.31.143.1102015-08-05 → 2015-08-05 · 3 obs
○ 2015-11-22 11:53:34
○ 2026-03-28 21:31:16
○A89.31.143.1112016-02-24 → 2017-01-31 · 5 obs
● 2016-02-24 07:06:20
● 2017-01-31 10:31:36
○ 2018-11-10 06:48:54
○ 2026-03-28 21:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sys-tron.com | ns5.kasserver.com, ns6.kasserver.com | 2 records |
✅ Authoritative Response
Server:85.13.159.101
NS records: ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sys-tron.com (unsigned zone)
⏱️ Timing
Total: 353ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.156.251 |
| NS | 2 | ns6.kasserver.com, ns5.kasserver.com |
| MX | 1 | systron-com0i.mail.protection.outlook.co |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms14963235 |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns5.kasserver.com, ns6.kasserver.com)
Analysis
Hierarchy
sys-tron.com is the parent of mail.sys-tron.com.
IP Addresses
sys-tron.com resolves to a single IP: 85.13.156.251.
Other host names, for instance callsimply.de, datadirect.ch, w00eb6fc.kasserver.com, sk7.de and authsmtp.wevs.de share IP numbers with sys-tron.com.
Name Servers
sys-tron.com has two name servers: ns5.kasserver.com and ns6.kasserver.com.
sys-tron.com shares the same name server setup as other domains, for example milestone-coaching.de, windkraftwerke.de, transdata.media, sanjasaric.com and velou.de.
sys-tron.com shares some name servers with other domains, for example onlinemarketing-schuetz.de, frauensachen-bremen.de, keweloh-tierernaehrung.de, brasil-recht.de and startblock-mainz.de.
These name servers are commonly used alongside ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.de.
Host names with a single IP:
ns5.kasserver.com points to 85.13.128.3
ns6.kasserver.com points to 85.13.159.101
Mail Servers
sys-tron.com is handled by a single mail server, systron-com0i.mail.protection.outlook.com.
Host systron-com0i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.