mathbuster.com - robtex.com
mathbuster.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| PTR | ip-207-148-248-143.defastlink.net | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
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
www.mathbuster.com |
Same first word
mathbuster.com |
Similar names
DNS History
16 records (3 active, 13 former)
●NSns.buydomains.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 00:56:40
○NSns1.above.com2017-04-04 → 2017-04-04 · 3 obs
● 2017-04-04 03:18:32
○ 2026-03-23 00:56:40
○NSns1.hastydns.com2015-06-01 → 2016-08-12 · 6 obs
○ 2015-10-18 13:38:40
● 2015-12-22 13:36:44
● 2016-08-12 16:56:32
○ 2017-04-04 03:18:32
○ 2026-03-23 00:56:40
○NSns1.mathbuster.com2015-10-18 → 2015-10-18 · 4 obs
● 2015-10-18 13:38:40
○ 2015-12-22 13:36:44
○ 2026-03-23 00:56:40
○NSns2.above.com2017-04-04 → 2017-04-04 · 3 obs
● 2017-04-04 03:18:32
○ 2026-03-23 00:56:40
○NSns2.hastydns.com2015-06-01 → 2016-08-12 · 6 obs
○ 2015-10-18 13:38:40
● 2015-12-22 13:36:44
● 2016-08-12 16:56:32
○ 2017-04-04 03:18:32
○ 2026-03-23 00:56:40
●NSthis-domain-for-sale.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 00:56:40
○A103.224.182.2452017-04-04 → 2017-04-04 · 3 obs
● 2017-04-04 03:18:32
○ 2026-03-23 00:56:40
●A207.148.248.1432026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 00:56:40
○A69.162.80.562015-06-01 → 2015-06-01 · 3 obs
○ 2015-10-18 13:38:40
○ 2026-03-23 00:56:40
○A69.162.80.582015-12-22 → 2015-12-22 · 4 obs
● 2015-12-22 13:36:44
○ 2016-03-23 10:53:58
○ 2026-03-23 00:56:40
○A95.211.117.2062015-06-01 → 2015-10-18 · 4 obs
● 2015-10-18 13:38:40
○ 2015-12-22 13:36:44
○ 2026-03-23 00:56:40
○A95.211.219.652016-08-12 → 2016-08-12 · 4 obs
● 2016-08-12 16:56:32
○ 2017-04-04 03:18:32
○ 2026-03-23 00:56:40
○A95.211.219.672016-03-23 → 2016-03-23 · 4 obs
● 2016-03-23 10:53:58
○ 2016-08-12 16:56:32
○ 2026-03-23 00:56:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mathbuster.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.20.26.87
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathbuster.com (unsigned zone)
⏱️ Timing
Total: 83ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
Hierarchy
mathbuster.com is the parent of www.mathbuster.com.
IP Addresses
mathbuster.com resolves to one IP number: 207.148.248.143.
other host names including mx.commonradio.com, campervandesign.com, freshcapes.com, meganight.com and geph.org share IP numbers with mathbuster.com.
Name Servers
mathbuster.com is delegated to two name servers this-domain-for-sale.com and ns.buydomains.com.
mathbuster.com shares the same name server setup as other domains, for instance rightroots.com, swac.net, davidlarrabee.com, juicyrewards.com and storagelofts.com.
mathbuster.com at least partially shares name servers with other domains, for instance literacymix.com.
Host names with a single IP:
this-domain-for-sale.com points to 52.20.26.87.
ns.buydomains.com points to 52.20.26.87.
Host names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.