mathcourse.com - robtex.com
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=1778353081 | ||||||
Same first word
mathcourse.com |
mathcourse.ru |
Similar names
coursemath.com |
tourschema.nl |
marcusteoh.com |
austchrome.com.au |
austrochem.at |
austrochem.si |
mathsource.com |
muchosarte.blogspot.mx |
chaumstore.com |
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
○ 2026-05-09 19:03:30
○NSns1.uniregistrymarket.link2016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 18:12:22
○ 2026-02-21 06:31:44
○ 2026-05-09 19:03:30
○NSns2.uniregistrymarket.link2016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 18:12:22
○ 2026-02-21 06:31:44
○ 2026-05-09 19:03:30
●NSns5.afternic.com2026-02-21 → 2026-05-09 · 3 obs
● 2026-02-21 06:31:44
● 2026-05-09 19:03:30
●NSns6.afternic.com2026-02-21 → 2026-05-09 · 3 obs
● 2026-02-21 06:31:44
● 2026-05-09 19:03:30
○NSsell.internettraffic.com2015-05-27 → 2016-03-27 · 4 obs
● 2016-03-27 01:50:08
○ 2016-09-24 18:12:22
○ 2026-05-09 19:03:30
○MX.2026-02-21 → 2026-05-09 · 2 obs
○ 2026-05-09 19:03:30
●A13.248.169.482026-02-21 → 2026-05-09 · 3 obs
● 2026-02-21 06:31:44
● 2026-05-09 19:03:30
○A69.172.201.1532016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 18:12:22
○ 2026-02-21 06:31:44
○ 2026-05-09 19:03:30
○A69.172.201.2082015-05-27 → 2016-03-27 · 4 obs
● 2016-03-27 01:50:08
○ 2016-09-24 18:12:22
○ 2026-05-09 19:03:30
●A76.223.54.1462026-02-21 → 2026-05-09 · 3 obs
● 2026-02-21 06:31:44
● 2026-05-09 19:03:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| mathcourse.com | ns5.afternic.com, ns6.afternic.com | 2 records |
✅ Authoritative Response
Server:173.201.67.66
NS records: ns5.afternic.com, ns6.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathcourse.com (unsigned zone)
⏱️ Timing
Total: 291ms | 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
The entity mathcourse.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
For instance, other host names b.eba.la, ns1.helpme.asia, www.hotdownload.com, myowneulogy.com and moneycom.com share IP numbers with mathcourse.com.
Name Servers
mathcourse.com is delegated to two name servers: ns5.afternic.com and ns6.afternic.com.
mathcourse.com uses the same name server setup as other domains such as soccertv.biz, ygar.com, shippingagent.co.uk, mail.brop.net and bcatlanta.com.
mathcourse.com shares name servers with other domains at least partially, for example emrwas.xyz, astramin.com, coastpad.xyz, shifttours.com and kasefile.xyz.
these name servers are commonly paired with verification-gakbzzzqmt6gkcplw4efpp.ns101.verify.hn, verification-ex8vn3zniaperlcgbphvpy.ns101.verify.hn, verification-mdzaaqbc9wh5xb8j4cudbd.ns101.verify.hn, verification-jh56ag3qoy8fsktzvbvfht.ns101.verify.hn, verification-nx5psmjxfxjfdnrhxqkwep.ns101.verify.hn, verification-s2asvhzt5grdemtl7ht4yy.ns101.verify.hn and verification-ryl9l7cn2xbgckdbkcguz6.ns101.verify.hn.
Host names with two IP numbers:
ns5.afternic.com points to 2603:5:2134::42 and 97.74.99.66; ns6.afternic.com points to 2603:5:2234::42 and 173.201.67.66.