expertcalc.com - robtex.com
expertcalc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
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=1771291435 | ||||||
Subdomains
mail.expertcalc.com |
Similar names
DNS History
9 records (4 active, 5 former)
○NSdns1.proserver1.at2015-07-26 → 2019-04-07 · 3 obs
● 2019-04-07 05:33:46
○ 2026-03-24 04:23:06
○NSdns2.proserver1.at2015-07-26 → 2019-04-07 · 3 obs
● 2019-04-07 05:33:46
○ 2026-03-24 04:23:06
○NSdns3.proserver1.at2015-07-26 → 2019-04-07 · 3 obs
● 2019-04-07 05:33:46
○ 2026-03-24 04:23:06
●NSns3.afternic.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:23:06
●NSns4.afternic.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:23:06
○MXmail.expertcalc.com2015-07-26 → 2019-04-07 · 3 obs
● 2019-04-07 05:33:46
○ 2026-03-24 04:23:06
●A13.248.169.482026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:23:06
●A76.223.54.1462026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:23:06
○A91.221.139.162015-07-26 → 2019-04-07 · 3 obs
● 2019-04-07 05:33:46
○ 2026-03-24 04:23:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| expertcalc.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:97.74.98.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expertcalc.com (unsigned zone)
⏱️ Timing
Total: 256ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
Hierarchy
expertcalc.com is a parent of mail.expertcalc.com.
IP Addresses
expertcalc.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names such as chipage.com, profasta.com, uschovna.com, www.viaegnatia.com and hedgefundcapital.com share IP numbers with expertcalc.com.
Name Servers
expertcalc.com is delegated to two name servers: ns3.afternic.com and ns4.afternic.com.
expertcalc.com uses the same name server setup as other domains, including getintotopcourses.co.uk, clickonin.com, nextfeed.com, hights.com and cinemata.com.
expertcalc.com partially shares name servers with other domains, for instance sleevx.com, btj.co, backery.com and pujja.com.
These name servers are commonly used alongside the name servers verification-m9ymw8jnwgbf6doc49gpbs.ns101.verify.hn.
Hostnames with a single IP
ns3.afternic.com resolves to: 97.74.98.65.
ns4.afternic.com resolves to: 173.201.66.65.