calcsync.com - robtex.com
calcsync.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=1774615147 | ||||||
Subdomains
mail.calcsync.com |
Same first word
calcsync.com |
DNS History
7 records (7 active, 0 former)
●NSroot-dns.netcup.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:57:20
●NSsecond-dns.netcup.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:57:20
●NSthird-dns.netcup.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:57:20
●MXmail.calcsync.com2026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:57:20
●MXmx2e90.netcup.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:57:20
●A2a03:4000:61:28be::17:74322026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:57:20
●A91.204.46.1422026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:57:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| calcsync.com | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calcsync.com (unsigned zone)
⏱️ Timing
Total: 778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.46.142 |
| AAAA | 1 | 2a03:4000:61:28be::17:7432 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 2 | mail.calcsync.com (pri: 10), mx2e90.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The parent of mail.calcsync.com is calcsync.com.
IP Addresses
Two IP numbers are pointed to by calcsync.com: 2a03:4000:61:28be::17:7432 and 91.204.46.142.
other host names include metz-werk.de, barracuda.phone2you.de, www.ellentalgymnasien.de, seminaruebungen.at and 31e.de; they share IP numbers with calcsync.com.
Name Servers
calcsync.com is delegated to three name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
calcsync.com at least partially shares name servers with other domains, for instance optikercity.de, forum-maenner.de, pacmess.de, mkey.solutions and beyondtheclouds.de.
Host names with two IP numbers:
root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225; second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199; third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
calcsync.com is handled by two mail servers: mail.calcsync.com and mx2e90.netcup.net.
calcsync.com shares at least partially some mail servers with other domains, for instance bergocol.de, kielwebdesign.de, kinderversicherung-24.de, techtales.cc and lodige.de.
Mail servers frequently appear alongside mail.bergocol.de, mail.kielwebdesign.de, mail.kinderversicherung-24.de and mail.techtales.cc.
Names with two IP numbers: mx2e90.netcup.net points to 2a03:4000:0:433:5483:44ff:fe43:f03a and 91.204.46.144.
Names with one IP number: mail.calcsync.com points to 91.204.46.144.
Names that point to 91.204.46.144: mx2e90.netcup.net and mail.calcsync.com.