mathcourse.com - dns.ninja
mathcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns5.afternic.com ⭐ | ||||||
| A | 2603:5:2134::42🇺🇸 GODADDY-DNS2603:5:2130::/44 | ||||||
| PTR | ns5.afternic.com | ||||||
| A | 97.74.99.66🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns5.afternic.com | ||||||
| NS | ns6.afternic.com | ||||||
| A | 2603:5:2234::42🇺🇸 GODADDY-DNS2603:5:2230::/44 | ||||||
| PTR | ns6.afternic.com | ||||||
| A | 173.201.67.66🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns6.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns5.afternic.comdns@jomax.net 2025-09-30 #0 | ||||||
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=1782892316 | ||||||
Same first word
mathcourse.net |
mathcourse.com |
mathcourse.ru |
Similar names
coursemath.com |
tourschema.nl |
marcusteoh.com |
austchrome.com.au |
austrochem.at |
austrochem.si |
mathsource.com |
muchosarte.blogspot.mx |
chumastore.com |
DNS History
11 records (4 active, 7 former)
○NSbuy.internettraffic.com2015-05-27 → 2016-03-27 · 4 obs
● 2016-03-27 01:50:08
○ 2016-09-24 18:12:22
○ 2026-07-01 08:16:22
○NSns1.uniregistrymarket.link2016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 18:12:22
○ 2026-02-21 06:31:44
○ 2026-07-01 08:16:22
○NSns2.uniregistrymarket.link2016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 18:12:22
○ 2026-02-21 06:31:44
○ 2026-07-01 08:16:22
●NSns5.afternic.com2026-02-21 → 2026-07-01 · 3 obs
● 2026-02-21 06:31:44
● 2026-07-01 08:16:22
●NSns6.afternic.com2026-02-21 → 2026-07-01 · 3 obs
● 2026-02-21 06:31:44
● 2026-07-01 08:16:22
○NSsell.internettraffic.com2015-05-27 → 2016-03-27 · 4 obs
● 2016-03-27 01:50:08
○ 2016-09-24 18:12:22
○ 2026-07-01 08:16:22
○MX.2026-02-21 → 2026-07-01 · 2 obs
○ 2026-07-01 08:16:22
●A13.248.169.482026-02-21 → 2026-07-01 · 3 obs
● 2026-02-21 06:31:44
● 2026-07-01 08:16:22
○A69.172.201.1532016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 18:12:22
○ 2026-02-21 06:31:44
○ 2026-07-01 08:16:22
○A69.172.201.2082015-05-27 → 2016-03-27 · 4 obs
● 2016-03-27 01:50:08
○ 2016-09-24 18:12:22
○ 2026-07-01 08:16:22
●A76.223.54.1462026-02-21 → 2026-07-01 · 3 obs
● 2026-02-21 06:31:44
● 2026-07-01 08:16:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net... | - |
| mathcourse.com | ns5.afternic.com, ns6.afternic.com | 2 records |
✅ Authoritative Response
Server:97.74.99.66
NS records: ns5.afternic.com, ns6.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathcourse.com (unsigned zone)
⏱️ Timing
Total: 151ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns5.afternic.com, ns6.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns5.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns5.afternic.com, ns6.afternic.com)
Analysis
IP Addresses
mathcourse.com directs to two IP numbers, 13.248.169.48 and 76.223.54.146
b.eba.la, ns1.helpme.asia, www.hotdownload.com plus two other host names have IP numbers in common with mathcourse.com.
Name Servers
mathcourse.com is served by two delegated name servers, ns5.afternic.com and ns6.afternic.com.
The name server configuration of mathcourse.com is shared with other domains, for instance soccertv.biz, ygar.com, shippingagent.co.uk and two others.
mathcourse.com shares at least some of its name servers with other domains, including emrwas.xyz, clubdnt.xyz, closureplus.xyz and two others.
These name servers tend to appear together with the name servers verification-gakbzzzqmt6gkcplw4efpp.ns101.verify.hn, verification-mdzaaqbc9wh5xb8j4cudbd.ns101.verify.hn and verification-jh56ag3qoy8fsktzvbvfht.ns101.verify.hn, plus two others.
Each of the two host names carries two IP addresses: ns5.afternic.com points to 97.74.99.66 and 2603:5:2134::42, and ns6.afternic.com points to 173.201.67.66 and 2603:5:2234::42.