mathcoder.app - robtex.com
mathcoder.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.208.88.157🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix | ||||||
| PTR | ec2-18-208-88-157.compute-1.amazonaws.com | ||||||
| A | 98.84.224.111🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix | ||||||
| NS | dns1.p01.nsone.net ⭐ | ||||||
| A | 2620:4d:4000:6259:7:1:0:1🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1 | ||||||
| PTR | dns1.p01.nsone.net | ||||||
| A | 198.51.44.1🇺🇸 NSONE198.51.44.0/24 | ||||||
| PTR | dns1.p01.nsone.net | ||||||
| NS | dns2.p01.nsone.net | ||||||
| A | 2a00:edc0:6259:7:1::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2 | ||||||
| PTR | dns2.p01.nsone.net | ||||||
| A | 198.51.45.1🇺🇸 NSONE198.51.45.0/24 | ||||||
| PTR | dns2.p01.nsone.net | ||||||
| NS | dns3.p01.nsone.net | ||||||
| A | 2620:4d:4000:6259:7:1:0:3🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1 | ||||||
| PTR | dns3.p01.nsone.net | ||||||
| A | 198.51.44.65🇺🇸 NSONE198.51.44.0/24 | ||||||
| PTR | dns3.p01.nsone.net | ||||||
| NS | dns4.p01.nsone.net | ||||||
| A | 2a00:edc0:6259:7:1::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2 | ||||||
| PTR | dns4.p01.nsone.net | ||||||
| A | 198.51.45.65🇺🇸 NSONE198.51.45.0/24 | ||||||
| PTR | dns4.p01.nsone.net | ||||||
| SOA | dns1.p01.nsone.netdomains+netlify@netlify.com serial=1684426405 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
8 records (6 active, 2 former)
●NSdns1.p01.nsone.net2026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:24:16
●NSdns2.p01.nsone.net2026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:24:16
●NSdns3.p01.nsone.net2026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:24:16
●NSdns4.p01.nsone.net2026-09-07 → 2026-09-07 · 2 obs
● 2026-09-07 17:24:16
●A18.208.88.1572026-09-07 → 2026-09-07 · 3 obs
● 2026-09-07 17:24:14
● 2026-09-07 17:24:16
○A35.157.26.1352026-09-07 → 2026-09-07 · 3 obs
○ 2026-09-07 17:24:14
○ 2026-09-07 17:24:16
○A63.176.8.2182026-09-07 → 2026-09-07 · 3 obs
○ 2026-09-07 17:24:14
○ 2026-09-07 17:24:16
●A98.84.224.1112026-09-07 → 2026-09-07 · 3 obs
● 2026-09-07 17:24:14
● 2026-09-07 17:24:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| mathcoder.app | dns1.p01.nsone.net, dns3.p01.nsone.net, dns2.p01.nsone.net, dns4.p01.nsone.net | - |
✅ Authoritative Response
Server:198.51.44.1
NS records: dns1.p01.nsone.net, dns3.p01.nsone.net, dns2.p01.nsone.net, dns4.p01.nsone.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathcoder.app (unsigned zone)
⏱️ Timing
Total: 2028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 98.84.224.111, 18.208.88.157 |
| NS | 4 | dns3.p01.nsone.net, dns2.p01.nsone.net... |
| SOA | 1 | dns1.p01.nsone.net domains+netlify.netli |
Analysis
IP Addresses
mathcoder.app resolves to the IP addresses 18.208.88.157 and 98.84.224.111
Two other host names, along with charliedemarco.com, vodilex.no and omerweb.site, also share IP numbers with mathcoder.app.
Name Servers
The NS records for mathcoder.app point to four name servers: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net.
mathcoder.app has at least partial name server overlap with other domains, such as clevel.media, advancecareplanningspecialists.com, seniorsorbit.com and two others.
ns01.squarespacedns.com, ns02.squarespacedns.com and ns03.squarespacedns.com — plus 7 other name servers — are commonly paired with these name servers.
dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net all point to exactly two IP numbers each: dns1.p01.nsone.net → 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1; dns2.p01.nsone.net → 198.51.45.1 and 2a00:edc0:6259:7:1::2; dns3.p01.nsone.net → 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3; dns4.p01.nsone.net → 198.51.45.65 and 2a00:edc0:6259:7:1::4.