crushmath.com - robtex.com
crushmath.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.117.127.157🇺🇸 ENERGY-GROUP-NETWORKS50.117.127.0/24 EGIHosting | ||||||
| NS | a.share-dns.com ⭐ | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1736154486 | ||||||
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=1778850616 | ||||||
Previously MX for
crushmath.com |
Same first word
crushmath.com |
Similar names
DNS History
11 records (3 active, 8 former)
●NSa.share-dns.com2026-02-26 → 2026-05-15 · 3 obs
● 2026-02-26 17:23:26
● 2026-05-15 13:23:18
●NSb.share-dns.net2026-02-26 → 2026-05-15 · 3 obs
● 2026-02-26 17:23:26
● 2026-05-15 13:23:18
○NSns1.bluehost.com2019-12-30 → 2019-12-30 · 4 obs
● 2019-12-30 09:18:12
○ 2026-02-26 17:23:26
○ 2026-05-15 13:23:18
○NSns1.iservr.com2015-06-25 → 2017-01-09 · 4 obs
● 2017-01-09 22:51:50
○ 2019-12-30 09:18:12
○ 2026-05-15 13:23:18
○NSns2.bluehost.com2019-12-30 → 2019-12-30 · 4 obs
● 2019-12-30 09:18:12
○ 2026-02-26 17:23:26
○ 2026-05-15 13:23:18
○NSns2.iservr.com2015-06-25 → 2017-01-09 · 4 obs
● 2017-01-09 22:51:50
○ 2019-12-30 09:18:12
○ 2026-05-15 13:23:18
○MXcrushmath.com2015-06-25 → 2017-01-09 · 4 obs
● 2017-01-09 22:51:50
○ 2019-12-30 09:18:12
○ 2026-05-15 13:23:18
○MXmail.crushmath.com2019-12-30 → 2019-12-30 · 4 obs
● 2019-12-30 09:18:12
○ 2026-02-26 17:23:26
○ 2026-05-15 13:23:18
○A162.241.224.1912019-12-30 → 2019-12-30 · 4 obs
● 2019-12-30 09:18:12
○ 2026-02-26 17:23:26
○ 2026-05-15 13:23:18
○A173.199.184.1682015-06-25 → 2017-01-09 · 4 obs
● 2017-01-09 22:51:50
○ 2019-12-30 09:18:12
○ 2026-05-15 13:23:18
●A50.117.127.1572026-02-26 → 2026-05-15 · 3 obs
● 2026-02-26 17:23:26
● 2026-05-15 13:23:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| crushmath.com | a.share-dns.com, b.share-dns.net | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: a.share-dns.com, b.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for crushmath.com (unsigned zone)
⏱️ Timing
Total: 260ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.117.127.157 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a.share-dns.com)
Analysis
IP Addresses
crushmath.com points to a single IP number: 50.117.127.157.
other host names for instance www.akcinternet.com, smio.cn, jqdisplays.com, meervoudvan.com and emmakeira.com share IP numbers with crushmath.com.
Name Servers
crushmath.com is delegated to two name servers: a.share-dns.com and b.share-dns.net.
crushmath.com shares the same name server setup as other domains, for example czywhs.com, phyou.cn, xmjunte.com, yyrmcn.com and bj-swht.com.
crushmath.com at least partially shares name servers with other domains, for instance jiahuasz.com, qsxuanche.com, tikinasoftware.com, pholeps.com and ddwzkj.com.
These name servers are often used together with the name servers a9.share-dns.com, b9.share-dns.net, a6.share-dns.com, b6.share-dns.net, a3.share-dns.com, b3.share-dns.net, a5.share-dns.com, b5.share-dns.net, a12.share-dns.com and b12.share-dns.net.
Host names with one IP number:
The host a.share-dns.com points to 172.64.53.25 and the host b.share-dns.net points to 172.64.52.239.