competitivemath.org - dns.ninja
competitivemath.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 67.20.76.175🇺🇸 EIGI67.20.76.0/24 | ||||||
| PTR | host2023.hostmonster.com | ||||||
| NS | ns1.hostmonster.com ⭐ | ||||||
| A | 162.159.24.157Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.hostmonster.com | ||||||
| NS | ns2.hostmonster.com | ||||||
| A | 162.159.25.186Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.hostmonster.com | ||||||
| MX | competitivemath.org ⭐ | ||||||
| A | 67.20.76.175🇺🇸 EIGI67.20.76.0/24 | ||||||
| PTR | host2023.hostmonster.com | ||||||
| TXT | v=spf1 a mx ptr include:hostmonster.com ?all | ||||||
| SOA | ns1.hostmonster.comroot@host2023.hostmonster.com 2025-04-05 #0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785445978 | ||||||
MX for
competitivemath.org |
Subdomains
www.competitivemath.org |
Same first word
competitivemath.org |
DNS History
5 records (4 active, 1 former)
●NSns1.hostmonster.com2015-07-16 → 2026-07-30 · 2 obs
● 2026-07-30 21:23:46
●NSns2.hostmonster.com2015-07-16 → 2026-07-30 · 2 obs
● 2026-07-30 21:23:46
●MXcompetitivemath.org2015-07-16 → 2026-07-30 · 2 obs
● 2026-07-30 21:23:46
●A67.20.76.1752026-03-08 → 2026-07-30 · 3 obs
● 2026-03-08 23:02:30
● 2026-07-30 21:23:46
○A74.220.202.482015-07-16 → 2019-04-19 · 4 obs
● 2019-04-19 14:39:00
○ 2026-03-08 23:02:30
○ 2026-07-30 21:23:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| competitivemath.org | ns2.hostmonster.com, ns1.hostmonster.com | - |
✅ Authoritative Response
Server:162.159.25.186
NS records: ns2.hostmonster.com, ns1.hostmonster.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for competitivemath.org (unsigned zone)
⏱️ Timing
Total: 372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 67.20.76.175 |
| NS | 2 | ns2.hostmonster.com, ns1.hostmonster.com |
| MX | 1 | competitivemath.org (pri: 0) |
| TXT | 1 | v=spf1 a mx ptr include:hostmonster.com |
| SOA | 1 | ns1.hostmonster.com root.host2023.hostmo |
Analysis
Hierarchy
www.competitivemath.org is delegated beneath competitivemath.org.
Mail Server Role
competitivemath.org serves as a mail server for competitivemath.org.
IP Addresses
competitivemath.org has exactly one IP address — 67.20.76.175.
aastiz.com, mail.heysabu.com, mail.quebeckayak.qc.ca plus two other host names have IP numbers in common with competitivemath.org.
Name Servers
competitivemath.org is delegated to two name servers: ns1.hostmonster.com and ns2.hostmonster.com.
The name server configuration of competitivemath.org is shared with other domains, for instance mahafil.com, packettrail.com, novakoff.org and two others.
ns1.hostmonster.com → 162.159.24.157 and ns2.hostmonster.com → 162.159.25.186: one IP number per host name.
Mail Servers
competitivemath.org uses exactly one mail server, which is competitivemath.org.
competitivemath.org resolves to a single IP number: 67.20.76.175.