calculator-academy.webpkgcache.com - robtex.com
calculator-academy.webpkgcache.com
| CNAME | webpkgcache.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2607:f8b0:4004:c21::84🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| PTR | pe-in-f132.1e100.net | ||||||
| A | 64.233.180.132🇺🇸 Google64.233.180.0/24 | ||||||
| NS | ns1.google.com ⭐ | ||||||
| A | 2001:4860:4802:32::a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns1.google.com | ||||||
| A | 216.239.32.10🇺🇸 Google216.239.32.0/24 | ||||||
| PTR | ns1.google.com | ||||||
| NS | ns2.google.com | ||||||
| A | 2001:4860:4802:34::a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns2.google.com | ||||||
| A | 216.239.34.10🇺🇸 Google216.239.34.0/24 | ||||||
| PTR | ns2.google.com | ||||||
| NS | ns3.google.com | ||||||
| A | 2001:4860:4802:36::a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns3.google.com | ||||||
| A | 216.239.36.10🇺🇸 Google216.239.36.0/24 | ||||||
| PTR | ns3.google.com | ||||||
| NS | ns4.google.com | ||||||
| A | 2001:4860:4802:38::a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns4.google.com | ||||||
| A | 216.239.38.10🇺🇸 Google216.239.38.0/24 | ||||||
| PTR | ns4.google.com | ||||||
| TXT | v=spf1 ?all | ||||||
| SOA | ns1.google.comdns-admin@google.com serial=962678449 | ||||||
webpkgcache.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2607:f8b0:4004:c21::84🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| A | 64.233.180.132🇺🇸 Google64.233.180.0/24 | ||||||
| NS | ns1.google.com ⭐ | ||||||
| NS | ns2.google.com | ||||||
| NS | ns3.google.com | ||||||
| NS | ns4.google.com | ||||||
| TXT | v=spf1 ?all | ||||||
| SOA | ns1.google.comdns-admin@google.com serial=962678449 | ||||||
rank #8444 in the tld
🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #43,834
DNS History
5 records (1 active, 4 former)
○NSns1.google.com2026-03-02 → 2026-08-13 · 2 obs
○ 2026-08-13 01:17:54
○NSns2.google.com2026-03-02 → 2026-08-13 · 2 obs
○ 2026-08-13 01:17:54
○NSns3.google.com2026-03-02 → 2026-08-13 · 2 obs
○ 2026-08-13 01:17:54
○NSns4.google.com2026-03-02 → 2026-08-13 · 2 obs
○ 2026-08-13 01:17:54
●CNAMEwebpkgcache.com2026-03-02 → 2026-08-13 · 2 obs
● 2026-08-13 01:17:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| webpkgcache.com | ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com | 8 records |
✅ Authoritative Response
Server:216.239.34.10
NS records: ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for webpkgcache.com (unsigned zone)
⏱️ Timing
Total: 147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | webpkgcache.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns2.google.com, ns2.google.com, ns1.google.com...)
Analysis
IP Addresses
calculator-academy.webpkgcache.com directs to two IP numbers, 64.233.180.132 and 2607:f8b0:4004:c21::84
Additional host names — de4a7c33a2.page.link, c8d6d56a55289751dde38834b8d358d0.safeframe.googlesyndication.com, londongov.page.link and two others — share IP numbers with calculator-academy.webpkgcache.com.
Name Servers
calculator-academy.webpkgcache.com has four authoritative name servers: ns1.google.com, ns2.google.com, ns3.google.com and ns4.google.com.
calculator-academy.webpkgcache.com has at least partial name server overlap with other domains, such as sugar-hill.com, 60.56.45.in-addr.arpa, phyzios.com and two others.
ns1.google.com, ns2.google.com, ns3.google.com and ns4.google.com all point to exactly two IP numbers each: ns1.google.com → 216.239.32.10 and 2001:4860:4802:32::a; ns2.google.com → 216.239.34.10 and 2001:4860:4802:34::a; ns3.google.com → 216.239.36.10 and 2001:4860:4802:36::a; ns4.google.com → 216.239.38.10 and 2001:4860:4802:38::a.