optihosting.com - robtex.com
optihosting.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.27.215.6🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC | ||||||
| PTR | mail.polapine.com | ||||||
| NS | ns2.optihosting.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 37.27.215.6🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC | ||||||
| PTR | mail.polapine.com | ||||||
| NS | ns1.contamail.com ⚠️ Not in zone NS records | ||||||
| A | 37.27.215.6🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC | ||||||
| PTR | mail.polapine.com | ||||||
| NS | ns1.optihosting.com ⚠️ Not in parent delegation | ||||||
| A | 37.27.215.6🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC | ||||||
| PTR | mail.polapine.com | ||||||
| NS | ns2.contamail.com ⚠️ Not in zone NS records | ||||||
| A | 37.27.215.6🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC | ||||||
| PTR | mail.polapine.com | ||||||
| MX | mail.optihosting.com ⭐ | ||||||
| A | 37.27.215.6🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC | ||||||
| PTR | mail.polapine.com | ||||||
| TXT | v=spf1 +a +mx +a:server.polapine.com -all | ||||||
| SOA | ns2.optihosting.comitrpoka@gmail.com 2026-04-03 #7 | ||||||
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=1776909027 | ||||||
Previously MX for
optihosting.com |
Subdomains
Same first word
optihosting.nl |
optihosting.com |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.contamail.com2026-03-22 → 2026-04-23 · 3 obs
● 2026-03-22 11:45:52
● 2026-04-23 02:12:54
○NSns1.cpservers.info2015-07-04 → 2018-12-02 · 4 obs
● 2018-12-02 16:23:42
○ 2026-03-22 11:45:52
○ 2026-04-23 02:12:54
●NSns1.optihosting.com2015-07-04 → 2026-04-23 · 2 obs
● 2026-04-23 02:12:54
●NSns2.contamail.com2026-03-22 → 2026-04-23 · 3 obs
● 2026-03-22 11:45:52
● 2026-04-23 02:12:54
○NSns2.cpservers.info2015-07-04 → 2018-12-02 · 4 obs
● 2018-12-02 16:23:42
○ 2026-03-22 11:45:52
○ 2026-04-23 02:12:54
●NSns2.optihosting.com2026-03-22 → 2026-04-23 · 3 obs
● 2026-03-22 11:45:52
● 2026-04-23 02:12:54
●MXmail.optihosting.com2026-03-22 → 2026-04-23 · 3 obs
● 2026-03-22 11:45:52
● 2026-04-23 02:12:54
○MXoptihosting.com2015-07-04 → 2018-12-02 · 4 obs
● 2018-12-02 16:23:42
○ 2026-03-22 11:45:52
○ 2026-04-23 02:12:54
●A37.27.215.62026-03-22 → 2026-04-23 · 3 obs
● 2026-03-22 11:45:52
● 2026-04-23 02:12:54
○A95.154.207.772015-07-04 → 2018-12-02 · 4 obs
● 2018-12-02 16:23:42
○ 2026-03-22 11:45:52
○ 2026-04-23 02:12:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| optihosting.com | ns1.contamail.com, ns2.contamail.com | 2 records |
✅ Authoritative Response
Server:37.27.215.6
NS records: ns1.contamail.com, ns2.contamail.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optihosting.com (unsigned zone)
⏱️ Timing
Total: 469ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.27.215.6 |
| NS | 2 | ns1.optihosting.com, ns2.optihosting.com |
| MX | 1 | mail.optihosting.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:server.polapine.com -al |
| SOA | 1 | ns2.optihosting.com itrpoka.gmail.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.contamail.com, ns2.contamail.com)
Analysis
Hierarchy
optihosting.com has children ns1.optihosting.com, mail.optihosting.com and ns2.optihosting.com.
IP Addresses
optihosting.com resolves to a single IP: 37.27.215.6.
Other host names, for instance ns1.optihosting.com, mail.optihosting.com, ns2.optihosting.com, ns1.spotbin.com and contamail.com share IP numbers with optihosting.com.
Name Servers
optihosting.com is delegated to four name servers: ns1.contamail.com, ns2.contamail.com, ns1.optihosting.com and ns2.optihosting.com.
optihosting.com shares some name servers with other domains, for instance polapine.com, contamail.com and spotbin.com.
These name servers are often used together with ns1.polapine.com, ns2.polapine.com and ns2.spotbin.com.
Names sharing a single IP number:
ns1.contamail.com points to: 37.27.215.6
ns2.contamail.com points to: 37.27.215.6
ns1.optihosting.com points to: 37.27.215.6
ns2.optihosting.com points to: 37.27.215.6
Names pointing to 37.27.215.6: ns1.contamail.com, ns2.contamail.com, ns1.optihosting.com and ns2.optihosting.com
Mail Servers
optihosting.com is handled by a single mail server, mail.optihosting.com.
Host name mail.optihosting.com points to IP 37.27.215.6.