chalkup21.com - robtex.com
chalkup21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a07:7800::179🇬🇧 TWENTYI2a07:7800::/48 | ||||||
| A | 185.151.30.179🇬🇧 TWENTYI185.151.30.0/24 | ||||||
| NS | ns1.stackdns.com ⭐ | ||||||
| A | 35.197.225.59🇬🇧 Google35.197.224.0/20 | ||||||
| PTR | 59.225.197.35.bc.googleusercontent.com | ||||||
| NS | ns2.stackdns.com | ||||||
| A | 146.148.28.88🇧🇪 Google146.148.16.0/20 | ||||||
| PTR | 88.28.148.146.bc.googleusercontent.com | ||||||
| NS | ns3.stackdns.com | ||||||
| A | 35.198.79.191🇩🇪 Google35.198.64.0/20 | ||||||
| PTR | 191.79.198.35.bc.googleusercontent.com | ||||||
| NS | ns4.stackdns.com | ||||||
| A | 104.196.137.209🇺🇸 Google104.196.128.0/20 | ||||||
| PTR | 209.137.196.104.bc.googleusercontent.com | ||||||
| MX | mx.stackmail.com ⭐ | ||||||
| A | 185.151.28.67🇬🇧 TWENTYI185.151.28.0/24 | ||||||
| PTR | mx.stackmail.com | ||||||
| SOA | ns1.stackdns.comhostmaster@stackdns.com serial=1634627666 | ||||||
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=1774414817 | ||||||
Subdomains
www.chalkup21.com |
Same first word
chalkup21.com |
DNS History
7 records (7 active, 0 former)
●NSns1.stackdns.com2026-02-16 → 2026-03-25 · 2 obs
● 2026-03-25 05:07:54
●NSns2.stackdns.com2026-02-16 → 2026-03-25 · 2 obs
● 2026-03-25 05:07:54
●NSns3.stackdns.com2026-02-16 → 2026-03-25 · 2 obs
● 2026-03-25 05:07:54
●NSns4.stackdns.com2026-02-16 → 2026-03-25 · 2 obs
● 2026-03-25 05:07:54
●MXmx.stackmail.com2026-02-16 → 2026-03-25 · 2 obs
● 2026-03-25 05:07:54
●A185.151.30.1792026-02-16 → 2026-03-25 · 2 obs
● 2026-03-25 05:07:54
●A2a07:7800::1792026-02-16 → 2026-03-25 · 2 obs
● 2026-03-25 05:07:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net... | - |
| chalkup21.com | ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com | 4 records |
✅ Authoritative Response
Server:35.197.225.59
NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chalkup21.com (unsigned zone)
⏱️ Timing
Total: 273ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.151.30.179 |
| AAAA | 1 | 2a07:7800::179 |
| NS | 4 | ns2.stackdns.com, ns1.stackdns.com... |
| MX | 1 | mx.stackmail.com (pri: 10) |
| SOA | 1 | ns1.stackdns.com hostmaster.stackdns.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com...)
Analysis
Hierarchy
The parent of www.chalkup21.com is chalkup21.com.
IP Addresses
Two IP numbers are pointed to by chalkup21.com: 2a07:7800::179 and 185.151.30.179.
other host names include mapexinspection.co.uk, searchhigh.co.uk, sarigerme.net, intergasuk.com and sloansgymbelfast.com; they share IP numbers with chalkup21.com.
Name Servers
chalkup21.com delegates to four name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.
chalkup21.com at least partially shares name servers with other domains, for instance peaklogic.com, mirus-construction.co.uk, nobrokernofee.com, dataconnectgh.com and forestertreeservice.com.
Host names with one IP number: ns1.stackdns.com points to: 35.197.225.59; ns2.stackdns.com points to: 146.148.28.88; ns3.stackdns.com points to: 35.198.79.191; ns4.stackdns.com points to: 104.196.137.209.
Mail Servers
chalkup21.com is handled by a single mail server, mx.stackmail.com.
chalkup21.com uses the same mail server setup as other domains, for instance synergyvitalityspa.co.nz, sterilus.com, elswaify.com, steuck.com and nerdles.com.
chalkup21.com shares at least some mail servers with other domains, for instance mielin.com.
The host name mx.stackmail.com points to IP 185.151.28.67.