killer-math.com - robtex.com
killer-math.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:d4f8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:17c2🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.23.194Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.212.248🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dave.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c16d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:216d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 108.162.193.109🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 172.64.33.109🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 173.245.59.109🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| NS | khloe.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:268b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c28b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:228b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 108.162.194.139🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 162.159.38.139Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 172.64.34.139🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.23.194, 172.67.212.248 | ||||||
| IPv6 | 2606:4700:3031::ac43:d4f8, 2606:4700:3037::6815:17c2 | ||||||
| SOA | dave.ns.cloudflare.comdns@cloudflare.com serial=2400100585 | ||||||
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=1774671492 | ||||||
Same first word
killer-math.com |
DNS History
6 records (6 active, 0 former)
●NSdave.ns.cloudflare.com2026-03-15 → 2026-03-28 · 2 obs
● 2026-03-28 04:22:42
●NSkhloe.ns.cloudflare.com2026-03-15 → 2026-03-28 · 2 obs
● 2026-03-28 04:22:42
●A104.21.23.1942026-03-15 → 2026-03-28 · 2 obs
● 2026-03-28 04:22:42
●A172.67.212.2482026-03-15 → 2026-03-28 · 2 obs
● 2026-03-28 04:22:42
●A2606:4700:3031::ac43:d4f82026-03-15 → 2026-03-28 · 2 obs
● 2026-03-28 04:22:42
●A2606:4700:3037::6815:17c22026-03-15 → 2026-03-28 · 2 obs
● 2026-03-28 04:22:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| killer-math.com | dave.ns.cloudflare.com, khloe.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.139
NS records: dave.ns.cloudflare.com, khloe.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for killer-math.com (unsigned zone)
⏱️ Timing
Total: 298ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.212.248, 104.21.23.194 |
| AAAA | 2 | 2606:4700:3037::6815:17c2, 2606:4700:3031::ac43:d4f8 |
| NS | 2 | dave.ns.cloudflare.com, khloe.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dave.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (dave.ns.cloudflare.com, dave.ns.cloudflare.com, dave.ns.cloudflare.com...)
Analysis
IP Addresses
killer-math.com maps to four IP numbers: 2606:4700:3031::ac43:d4f8, 2606:4700:3037::6815:17c2, 104.21.23.194 and 172.67.212.248.
Other host names, for instance jsdtravel.com, cqlyzy.com, luckydays-mexico.com, fauna-crea.com and www.stratus.me share IP numbers with killer-math.com.
Name Servers
Two name servers dave.ns.cloudflare.com and khloe.ns.cloudflare.com are delegated to killer-math.com.
killer-math.com uses the same name server configuration as other domains, such as sudoku-methods.com, sudoku-zone.com, sudoku-grids.com, sudoku-wisdom.com and electricianhandbook.com.
killer-math.com at least partially shares name servers with other domains such as kbcjiolotterywinner.com, cc766.net, lanqiujishibifen1.org.cn, abhibharat.com and chuantongzuqiubifenzhibo.org.cn.
These name servers are commonly used alongside mimi.ns.cloudflare.com, dana.ns.cloudflare.com and kanye.ns.cloudflare.com.
Host names with six IP numbers: Host name dave.ns.cloudflare.com points to 2606:4700:58::adf5:3b6d, 2803:f800:50::6ca2:c16d, 2a06:98c1:50::ac40:216d, 108.162.193.109, 172.64.33.109 and 173.245.59.109; host name khloe.ns.cloudflare.com points to 2606:4700:50::a29f:268b, 2803:f800:50::6ca2:c28b, 2a06:98c1:50::ac40:228b, 108.162.194.139, 162.159.38.139 and 172.64.34.139.