mathstrek.com - robtex.com
mathstrek.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.25.1.128🇦🇺 Amazon | ||||||
| PTR | ec2-3-25-1-128.ap-southeast-2.compute.amazonaws.com | ||||||
| A | 13.239.152.202🇦🇺 Amazon | ||||||
| A | 15.134.91.98🇺🇸 Amazon | ||||||
| NS | ns-1600.awsdns-08.co.uk ⭐ | ||||||
| A | 2600:9000:5306:4000::1🇺🇸 Amazon | ||||||
| PTR | ns-1600.awsdns-08.co.uk | ||||||
| A | 205.251.198.64🇺🇸 Amazon | ||||||
| PTR | ns-1600.awsdns-08.co.uk | ||||||
| NS | ns-1063.awsdns-04.org | ||||||
| A | 2600:9000:5304:2700::1🇺🇸 Amazon | ||||||
| PTR | ns-1063.awsdns-04.org | ||||||
| A | 205.251.196.39🇺🇸 Amazon | ||||||
| PTR | ns-1063.awsdns-04.org | ||||||
| NS | ns-165.awsdns-20.com | ||||||
| A | 2600:9000:5300:a500::1🇺🇸 Amazon | ||||||
| PTR | ns-165.awsdns-20.com | ||||||
| A | 205.251.192.165🇺🇸 Amazon | ||||||
| PTR | ns-165.awsdns-20.com | ||||||
| NS | ns-927.awsdns-51.net | ||||||
| A | 2600:9000:5303:9f00::1🇺🇸 Amazon | ||||||
| PTR | ns-927.awsdns-51.net | ||||||
| A | 205.251.195.159🇺🇸 Amazon | ||||||
| PTR | ns-927.awsdns-51.net | ||||||
| SOA | ns-1600.awsdns-08.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
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 | ||||||
Same first word
mathstrek.com |
mathstrek.com.au |
Similar names
DNS History
13 records (7 active, 6 former)
●NSns-1063.awsdns-04.org2026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 06:46:24
● 2026-02-22 08:25:10
●NSns-1600.awsdns-08.co.uk2026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 06:46:24
● 2026-02-22 08:25:10
●NSns-165.awsdns-20.com2026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 06:46:24
● 2026-02-22 08:25:10
●NSns-927.awsdns-51.net2026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 06:46:24
● 2026-02-22 08:25:10
○NSns4.wixdns.net2019-12-30 → 2019-12-30 · 3 obs
○ 2026-02-22 06:46:24
○ 2026-02-22 08:25:10
○NSns5.wixdns.net2019-12-30 → 2019-12-30 · 3 obs
○ 2026-02-22 06:46:24
○ 2026-02-22 08:25:10
○A13.238.51.1332026-02-22 → 2026-02-22 · 2 obs
○ 2026-02-22 08:25:10
●A13.239.152.2022026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 06:46:24
● 2026-02-22 08:25:10
●A15.134.91.982026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 06:46:24
● 2026-02-22 08:25:10
○A23.236.62.1472019-12-30 → 2019-12-30 · 3 obs
○ 2026-02-22 06:46:24
○ 2026-02-22 08:25:10
○A3.107.218.2492026-02-22 → 2026-02-22 · 2 obs
○ 2026-02-22 08:25:10
●A3.25.1.1282026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 06:46:24
● 2026-02-22 08:25:10
○A54.253.236.362026-02-22 → 2026-02-22 · 2 obs
○ 2026-02-22 08:25:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| mathstrek.com | ns-165.awsdns-20.com, ns-927.awsdns-51.net, ns-1600.awsdns-08.co.uk, ns-1063.awsdns-04.org | - |
✅ Authoritative Response
Server: 205.251.195.159
NS records: ns-165.awsdns-20.com, ns-927.awsdns-51.net, ns-1600.awsdns-08.co.uk, ns-1063.awsdns-04.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathstrek.com (unsigned zone)
⏱️ Timing
Total: 78ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 15.134.91.98, 3.25.1.128... |
| NS | 4 | ns-1063.awsdns-04.org, ns-1600.awsdns-08.co.uk... |
| SOA | 1 | ns-1600.awsdns-08.co.uk awsdns-hostmaste |
AI analysis
mathstrek.com points to three IPs: 3.25.1.128, 13.239.152.202 and 15.134.91.98.
Other host names such as fireflyeducation.com, fireflyeducation.com.au and imaths.au share IP numbers with mathstrek.com.
mathstrek.com is delegated to four name servers: ns-165.awsdns-20.com, ns-927.awsdns-51.net, ns-1063.awsdns-04.org and ns-1600.awsdns-08.co.uk.
At least part of the name servers for mathstrek.com are shared with other domains, for instance sagamiharashi-machimidori.or.jp, dciauzl08prxs.cloudfront.net, adultmembersites.com, ilost.gr and 10lines.app.
These name servers are commonly used alongside the name servers ns-1742.awsdns-25.co.uk.
Host names with two IP numbers:
ns-165.awsdns-20.com points to: 2600:9000:5300:a500::1 and 205.251.192.165
ns-927.awsdns-51.net points to: 2600:9000:5303:9f00::1 and 205.251.195.159
ns-1063.awsdns-04.org points to: 2600:9000:5304:2700::1 and 205.251.196.39
ns-1600.awsdns-08.co.uk points to: 2600:9000:5306:4000::1 and 205.251.198.64