mathproblems.info - dns.ninja
mathproblems.info
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1782969480 | ||||||
Subdomains
Same first word
mathproblems.org |
mathproblems.us |
mathproblems.info |
mathproblems.net |
Similar names
DNS History
11 records (6 active, 5 former)
●NSns-1338.awsdns-39.org2026-04-18 → 2026-07-02 · 3 obs
● 2026-04-18 10:48:18
● 2026-07-02 05:57:18
●NSns-140.awsdns-17.com2026-04-18 → 2026-07-02 · 3 obs
● 2026-04-18 10:48:18
● 2026-07-02 05:57:18
●NSns-1996.awsdns-57.co.uk2026-04-18 → 2026-07-02 · 3 obs
● 2026-04-18 10:48:18
● 2026-07-02 05:57:18
●NSns-595.awsdns-10.net2026-04-18 → 2026-07-02 · 3 obs
● 2026-04-18 10:48:18
● 2026-07-02 05:57:18
○NSns1.dreamhost.com2015-05-14 → 2017-08-09 · 4 obs
● 2017-08-09 18:29:00
○ 2026-04-18 10:48:18
○ 2026-07-02 05:57:18
○NSns2.dreamhost.com2015-05-14 → 2017-08-09 · 4 obs
● 2017-08-09 18:29:00
○ 2026-04-18 10:48:18
○ 2026-07-02 05:57:18
○NSns3.dreamhost.com2015-05-14 → 2017-08-09 · 4 obs
● 2017-08-09 18:29:00
○ 2026-04-18 10:48:18
○ 2026-07-02 05:57:18
●MXmail.mathproblems.info2026-04-18 → 2026-07-02 · 2 obs
● 2026-07-02 05:57:18
●A104.237.129.1422026-04-18 → 2026-07-02 · 3 obs
● 2026-04-18 10:48:18
● 2026-07-02 05:57:18
○A208.113.241.1942015-05-14 → 2015-05-14 · 3 obs
○ 2015-10-13 13:32:56
○ 2026-07-02 05:57:18
○A208.97.136.1592015-10-13 → 2017-08-09 · 5 obs
● 2015-10-13 13:32:56
● 2017-08-09 18:29:00
○ 2026-04-18 10:48:18
○ 2026-07-02 05:57:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| mathproblems.info | ns-595.awsdns-10.net, ns-140.awsdns-17.com, ns-1996.awsdns-57.co.uk, ns-1338.awsdns-39.org | - |
✅ Authoritative Response
Server:205.251.194.83
NS records: ns-595.awsdns-10.net, ns-140.awsdns-17.com, ns-1996.awsdns-57.co.uk, ns-1338.awsdns-39.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathproblems.info (unsigned zone)
⏱️ Timing
Total: 792ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.237.129.142 |
| NS | 4 | ns-1338.awsdns-39.org, ns-140.awsdns-17.com... |
| MX | 1 | mail.mathproblems.info (pri: 10) |
| TXT | 1 | v=spf1 mx a:mail.mathproblems.info -all |
| SOA | 1 | ns-140.awsdns-17.com awsdns-hostmaster.a |
Analysis
Hierarchy
mathproblems.info is the parent domain of www.mathproblems.info and mail.mathproblems.info.
IP Addresses
mathproblems.info points to a single IP number: 104.237.129.142.
Host names such as mail.mathproblems.info, www.mathproblems.info and diversitytomorrow.com share their IP numbers with mathproblems.info.
Name Servers
mathproblems.info has four authoritative name servers: ns-140.awsdns-17.com, ns-595.awsdns-10.net, ns-1338.awsdns-39.org and ns-1996.awsdns-57.co.uk.
At least some of mathproblems.info's name servers are shared with other domains, for example qop.jp, erikdevelop.com, contacthva.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-140.awsdns-17.com directs to 205.251.192.140 and 2600:9000:5300:8c00::1; ns-595.awsdns-10.net directs to 205.251.194.83 and 2600:9000:5302:5300::1; ns-1338.awsdns-39.org directs to 205.251.197.58 and 2600:9000:5305:3a00::1; ns-1996.awsdns-57.co.uk directs to 205.251.199.204 and 2600:9000:5307:cc00::1.
Mail Servers
mathproblems.info has one mail server: mail.mathproblems.info.
mail.mathproblems.info points to one IP number — 104.237.129.142.