gridcal.com - robtex.com
gridcal.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 | ||||||
Same first word
Similar names
DNS History
15 records (9 active, 6 former)
●NShelium.ns.hetzner.de2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
●NShydrogen.ns.hetzner.com2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
○NSns55.1und1.de2015-06-11 → 2017-03-22 · 4 obs
● 2017-03-22 07:48:18
○ 2026-03-16 14:13:24
○ 2026-03-23 17:40:22
○NSns56.1und1.de2015-06-11 → 2017-03-22 · 4 obs
● 2017-03-22 07:48:18
○ 2026-03-16 14:13:24
○ 2026-03-23 17:40:22
●NSoxygen.ns.hetzner.com2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
○MXmx00.kundenserver.de2015-06-11 → 2017-03-22 · 4 obs
● 2017-03-22 07:48:18
○ 2026-03-16 14:13:24
○ 2026-03-23 17:40:22
●MXmx01.hornetsecurity.com2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
○MXmx01.kundenserver.de2015-06-11 → 2017-03-22 · 4 obs
● 2017-03-22 07:48:18
○ 2026-03-16 14:13:24
○ 2026-03-23 17:40:22
●MXmx02.hornetsecurity.com2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
●MXmx03.hornetsecurity.com2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
●MXmx04.hornetsecurity.com2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
○A217.160.223.922016-07-16 → 2017-03-22 · 5 obs
● 2016-07-16 07:49:52
● 2017-03-22 07:48:18
○ 2026-03-16 14:13:24
○ 2026-03-23 17:40:22
●A2a01:4f8:10a:2061::22026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
○A82.165.94.1342015-06-11 → 2016-01-20 · 4 obs
● 2016-01-20 22:41:10
○ 2016-07-16 07:49:52
○ 2026-03-23 17:40:22
●A88.99.136.62026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:13:24
● 2026-03-23 17:40:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| gridcal.com | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | 2 records |
✅ Authoritative Response
Server:193.47.99.5
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gridcal.com (unsigned zone)
⏱️ Timing
Total: 621ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.136.6 |
| AAAA | 1 | 2a01:4f8:10a:2061::2 |
| NS | 3 | helium.ns.hetzner.de, hydrogen.ns.hetzner.com... |
| MX | 4 | mx01.hornetsecurity.com (pri: 10), mx02.hornetsecurity.com (pri: 20)... |
| TXT | 2 | MS=ms37292527, v=spf1 include:spf.hornetsecurity.com in |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)
Analysis
IP Addresses
The entity gridcal.com points to two IP numbers: 2a01:4f8:10a:2061::2 and 88.99.136.6.
Other host names, for example psinsight.de and neptun.hosts.psinsight.de, share IPs with gridcal.com.
Name Servers
The delegation for gridcal.com is handled by three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
gridcal.com shares name servers with other domains at least partially, for example raplup.de, ludwik.de, corell.dk, efue.org and kevjack.eu.
These name servers are commonly used together with robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de and ns1.your-server.de.
Host names with two IPs:
hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98
oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192
helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5
Mail Servers
gridcal.com is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.
gridcal.com shares mail servers with other domains at least partially; for instance teckno.co.uk, zumnorde.de, wp-s.com, albaum.de and rfsworld.com.
Host names with a single IP:
mx01.hornetsecurity.com points to 94.100.132.8
mx02.hornetsecurity.com points to 94.100.136.8
mx03.hornetsecurity.com points to 94.100.134.8
mx04.hornetsecurity.com points to 94.100.136.7