mathswap.com - dns.ninja
mathswap.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| 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=1782901596 | ||||||
Previously MX for
mathswap.com |
Same first word
mathswap.com |
DNS History
14 records (3 active, 11 former)
○NSdns1.name-services.com2016-12-24 → 2016-12-24 · 4 obs
● 2016-12-24 08:30:20
○ 2017-11-15 06:15:50
○ 2026-07-01 10:31:24
○NSdns2.name-services.com2016-12-24 → 2016-12-24 · 4 obs
● 2016-12-24 08:30:20
○ 2017-11-15 06:15:50
○ 2026-07-01 10:31:24
○NSdns3.name-services.com2016-12-24 → 2016-12-24 · 4 obs
● 2016-12-24 08:30:20
○ 2017-11-15 06:15:50
○ 2026-07-01 10:31:24
○NSdns4.name-services.com2016-12-24 → 2016-12-24 · 4 obs
● 2016-12-24 08:30:20
○ 2017-11-15 06:15:50
○ 2026-07-01 10:31:24
○NSdns5.name-services.com2016-12-24 → 2016-12-24 · 4 obs
● 2016-12-24 08:30:20
○ 2017-11-15 06:15:50
○ 2026-07-01 10:31:24
●NSns.buydomains.com2026-03-17 → 2026-07-01 · 3 obs
● 2026-03-17 09:05:30
● 2026-07-01 10:31:24
○NSns.cedant.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-05 08:28:10
○ 2026-07-01 10:31:24
○NSns2.cedant.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-05 08:28:10
○ 2026-07-01 10:31:24
●NSthis-domain-for-sale.com2026-03-17 → 2026-07-01 · 3 obs
● 2026-03-17 09:05:30
● 2026-07-01 10:31:24
○MXmathswap.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-05 08:28:10
○ 2026-07-01 10:31:24
○MXmx2.cedant.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-05 08:28:10
○ 2026-07-01 10:31:24
●A207.148.248.1432026-03-17 → 2026-07-01 · 3 obs
● 2026-03-17 09:05:30
● 2026-07-01 10:31:24
○A66.175.0.122008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-05 08:28:10
○ 2026-07-01 10:31:24
○A8.5.1.392016-12-24 → 2016-12-24 · 4 obs
● 2016-12-24 08:30:20
○ 2017-11-15 06:15:50
○ 2026-07-01 10:31:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| mathswap.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathswap.com (unsigned zone)
⏱️ Timing
Total: 3092ms | 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
IP Addresses
mathswap.com resolves to just one IP address, 207.148.248.143.
Two other host names, along with vorlon.surfnine.com, newspride.com and mtg.usefulltips.com, also share IP numbers with mathswap.com.
Name Servers
mathswap.com is served by two delegated name servers, this-domain-for-sale.com and ns.buydomains.com.
mathswap.com shares its NS records with other domains, for example greencrusader.com, artistillustrations.com, medicalamnesty.com and two others.
mathswap.com and other domains like firingminds.com, peoplefriends.com and positiveclassrooms.com share some name servers
These name servers are routinely deployed together with the name servers ns2.buydomains.com.
this-domain-for-sale.com and ns.buydomains.com share one IP address between them — 52.20.26.87.
These two host names — this-domain-for-sale.com and ns.buydomains.com — each point to 52.20.26.87 IP addresses.