optarc.com - dns.ninja
optarc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.145.90🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www70.world4you.com | ||||||
| NS | ns1.world4you.at ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:32:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns1.world4you.at | ||||||
| A | 185.132.32.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1.world4you.at | ||||||
| NS | ns2.world4you.at | ||||||
| A | 2001:8d8:fe:53:217:160:82:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| A | 217.160.82.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| MX | mail.optarc.com ⭐ | ||||||
| A | 81.19.149.36🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail16.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-26 #2 | ||||||
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=1783988697 | ||||||
Subdomains
mail.optarc.com |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.world4you.at2015-07-20 → 2026-07-14 · 2 obs
● 2026-07-14 00:35:02
●NSns2.world4you.at2015-07-20 → 2026-07-14 · 2 obs
● 2026-07-14 00:35:02
●MXmail.optarc.com2015-07-20 → 2026-07-14 · 2 obs
● 2026-07-14 00:35:02
●A81.19.145.902015-07-20 → 2026-07-14 · 2 obs
● 2026-07-14 00:35:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optarc.com | ns1.world4you.at, ns2.world4you.at | - |
✅ Authoritative Response
Server:217.160.82.253
NS records: ns1.world4you.at, ns2.world4you.at
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optarc.com (unsigned zone)
⏱️ Timing
Total: 3042ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.145.90 |
| NS | 2 | ns2.world4you.at, ns1.world4you.at |
| MX | 1 | mail.optarc.com (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
The domain mail.optarc.com falls under the parent optarc.com.
IP Addresses
optarc.com has exactly one IP address — 81.19.145.90.
wesolutions.co.at, docex.net, gsb-bauelemente.at plus two other host names have IP numbers in common with optarc.com.
Name Servers
optarc.com uses two name servers for its delegation: ns1.world4you.at and ns2.world4you.at.
The name server configuration of optarc.com is shared with other domains, for instance christinegrill.at, atop-gwh.at, packcoach.com and two others.
At least some of optarc.com's name servers are also used by other domains, among them infraconcepta.at.
The two host names ns1.world4you.at and ns2.world4you.at each have a pair of IP addresses: ns1.world4you.at has 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253, and ns2.world4you.at has 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253.
Mail Servers
optarc.com uses one mail server — mail.optarc.com.
mail.optarc.com directs to just one IP number, 81.19.149.36.