chktech.net - robtex.com
chktech.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.159.21🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www21sni.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.chktech.net ⭐ | ||||||
| A | 81.19.149.36🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail16.world4you.com | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-02-05 #45 | ||||||
net
| 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=1776303582 | ||||||
Subdomains
mail.chktech.net |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.world4you.at2015-07-15 → 2026-04-16 · 2 obs
● 2026-04-16 01:44:04
●NSns2.world4you.at2015-07-15 → 2026-04-16 · 2 obs
● 2026-04-16 01:44:04
●MXmail.chktech.net2015-07-15 → 2026-04-16 · 2 obs
● 2026-04-16 01:44:04
○A81.19.145.412015-07-15 → 2020-03-09 · 4 obs
● 2020-03-09 23:02:56
○ 2026-02-24 02:26:24
○ 2026-04-16 01:44:04
●A81.19.159.212026-02-24 → 2026-04-16 · 3 obs
● 2026-02-24 02:26:24
● 2026-04-16 01:44:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | h.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net... | - |
| chktech.net | 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 chktech.net (unsigned zone)
⏱️ Timing
Total: 789ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.159.21 |
| NS | 2 | ns1.world4you.at, ns2.world4you.at |
| MX | 1 | mail.chktech.net (pri: 10) |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
chktech.net is the parent of mail.chktech.net.
IP Addresses
chktech.net resolves to one IP number: 81.19.159.21.
other host names including fugenlose-gestaltung.at, plan-b.work, www.hsch.at, www.eybmed.at and honcak.at share IP numbers with chktech.net.
Name Servers
chktech.net is delegated to two name servers ns1.world4you.at and ns2.world4you.at.
chktech.net shares the same name server setup as other domains, for instance zkantor.at, baumgaertler.com, sets.at, a-cl.net and horax.at.
Host names with two IP numbers:
The host name ns1.world4you.at points to 2607:f1c0:fe:53:185:132:32:253 and 185.132.32.253; the host name ns2.world4you.at points to 2001:8d8:fe:53:217:160:82:253 and 217.160.82.253.
Mail Servers
chktech.net is handled by a single mail server, mail.chktech.net.
mail.chktech.net resolves to IP 81.19.149.36.