db2.duckmath.org - robtex.com
db2.duckmath.org
duckmath.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2606:4700:3034::6815:3958🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:a24a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.57.88Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.162.74🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gloria.ns.cloudflare.com ⭐ | ||||||
| NS | phil.ns.cloudflare.com | ||||||
| MX | mx1.emailsrvr.com ⭐ | ||||||
| MX | mx2.emailsrvr.com(20) | ||||||
| TXT | google-site-verification=Kx0-QSjBxeGW2Hpn3v3_1nT_HSH3HfvA3hycEIAvOQc | ||||||
| TXT | v=spf1 include:emailsrvr.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.57.88, 172.67.162.74 | ||||||
| IPv6 | 2606:4700:3034::6815:3958, 2606:4700:3035::ac43:a24a | ||||||
| SOA | gloria.ns.cloudflare.comdns@cloudflare.com serial=2398913312 | ||||||
Same first word
db2.tech |
db2.biz |
db2.online |
db2.us |
db2.jp |
db2.org |
db2.com |
db2.ee |
db2.it |
db2.me |
db2.co.kr |
db2.cz |
db2.nl |
db2.de |
db2.pl |
db2.be |
db2.fi |
db2.es |
db2.mx |
db2.ch |
db2.com.br |
db2.dk |
db2.io |
db2.com.hk |
db2.eu |
db2.info |
db2.lu |
db2.ru |
Similar names
DNS History
1 record (1 active, 0 former)
●CNAMEd23a4iouv6tlkq.cloudfront.net2026-03-03 → 2026-03-24 · 2 obs
● 2026-03-24 01:38:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| duckmath.org | phil.ns.cloudflare.com, gloria.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.16
NS records: phil.ns.cloudflare.com, gloria.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 221ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | d23a4iouv6tlkq.cloudfront.net |
Analysis
IP Addresses
db2.duckmath.org points to twelve IP numbers: 2600:9000:27c5:8800:14:925:1e80:93a1, 2600:9000:27c5:9800:14:925:1e80:93a1, 2600:9000:27c5:9a00:14:925:1e80:93a1, 2600:9000:27c5:9e00:14:925:1e80:93a1, 2600:9000:27c5:a000:14:925:1e80:93a1, 2600:9000:27c5:ca00:14:925:1e80:93a1, 2600:9000:27c5:dc00:14:925:1e80:93a1, 2600:9000:27c5:f200:14:925:1e80:93a1, 3.167.56.11, 3.167.56.73, 3.167.56.102 and 3.167.56.119.
Other host names such as d3gejsxukqeij1.cloudfront.net, analytics.intterragroup.com, d2tx7j4v05mwo3.cloudfront.net, 8day22.com and assets.defined.fi share IPs with db2.duckmath.org.
Name Servers
db2.duckmath.org is delegated to four name servers: ns-196.awsdns-24.com, ns-678.awsdns-20.net, ns-1383.awsdns-44.org and ns-1702.awsdns-20.co.uk.
db2.duckmath.org at least partially shares name servers with other domains, for instance checkupchallenge-iams.com, keithley.net, joto.co.jp, onebookoneparish.org and novatopolice.gov.
Host names with two IP numbers: ns-196.awsdns-24.com points to 2600:9000:5300:c400::1 and 205.251.192.196; ns-678.awsdns-20.net points to 2600:9000:5302:a600::1 and 205.251.194.166; ns-1383.awsdns-44.org points to 2600:9000:5305:6700::1 and 205.251.197.103; ns-1702.awsdns-20.co.uk points to 2600:9000:5306:a600::1 and 205.251.198.166.