classprogress.com - robtex.com
classprogress.com
com
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.gtld-servers.net โญ | ||||||
| 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=1794370776 | ||||||
Previously MX for
classprogress.com |
Same first word
Similar names
Previous names
Next names
DNS History
21 records (10 active, 11 former)
โNSns-cloud-b1.googledomains.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โNSns-cloud-b2.googledomains.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โNSns-cloud-b3.googledomains.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โNSns-cloud-b4.googledomains.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โNSns1bqx.name.com2016-02-12 โ 2017-01-29 ยท 4 obs
โ 2017-01-29 19:08:46
โ 2019-03-17 03:47:36
โ 2026-11-11 05:04:44
โNSns2fhn.name.com2016-02-12 โ 2017-01-29 ยท 4 obs
โ 2017-01-29 19:08:46
โ 2019-03-17 03:47:36
โ 2026-11-11 05:04:44
โNSns3hjx.name.com2016-02-12 โ 2017-01-29 ยท 4 obs
โ 2017-01-29 19:08:46
โ 2019-03-17 03:47:36
โ 2026-11-11 05:04:44
โNSns4dfh.name.com2016-02-12 โ 2017-01-29 ยท 4 obs
โ 2017-01-29 19:08:46
โ 2019-03-17 03:47:36
โ 2026-11-11 05:04:44
โNSnsg1.namebrightdns.com2019-03-17 โ 2019-03-17 ยท 4 obs
โ 2019-03-17 03:47:36
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โNSnsg2.namebrightdns.com2019-03-17 โ 2019-03-17 ยท 4 obs
โ 2019-03-17 03:47:36
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โMXalt1.aspmx.l.google.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โMXalt2.aspmx.l.google.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โMXalt3.aspmx.l.google.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โMXalt4.aspmx.l.google.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โMXaspmx.l.google.com2026-08-20 โ 2026-11-11 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
โMXclassprogress.com2016-02-12 โ 2017-01-29 ยท 4 obs
โ 2017-01-29 19:08:46
โ 2019-03-17 03:47:36
โ 2026-11-11 05:04:44
โA173.192.139.272016-02-12 โ 2017-01-29 ยท 5 obs
โ 2016-02-12 13:12:38
โ 2017-01-29 19:08:46
โ 2019-03-17 03:47:36
โ 2026-11-11 05:04:44
โA216.150.1.12026-11-11 โ 2026-11-11 ยท 3 obs
โ 2026-11-11 04:45:02
โ 2026-11-11 05:04:44
โA216.198.79.12026-08-20 โ 2026-08-20 ยท 4 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 04:45:02
โ 2026-11-11 05:04:44
โA69.64.147.2422015-11-24 โ 2015-11-24 ยท 3 obs
โ 2016-02-12 13:12:38
โ 2026-11-11 05:04:44
โCNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-03-17 โ 2019-03-17 ยท 3 obs
โ 2026-08-20 07:52:42
โ 2026-11-11 05:04:44
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| classprogress.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
โ Authoritative Response
Server:216.239.32.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for classprogress.com (unsigned zone)
โฑ๏ธ Timing
Total: 543ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.150.1.1 |
| NS | 4 | ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | google-site-verification=YWxcbF1VRYM1qvB |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
๐ Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
IP Addresses
classprogress.com resolves to just one IP address, 216.150.1.1.
Two other host names, along with dokvia.sk, rubric.works and streampro.video, also share IP numbers with classprogress.com.
Name Servers
The NS records for classprogress.com point to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
There is at least partial name server overlap between classprogress.com and other domains โ ianandolivia.com, shikakenin.com, notarymartha.com and two more among them.
All four hostnames โ ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com โ resolve to two IP numbers apiece: ns-cloud-b1.googledomains.com to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com to 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
Five mail servers handle classprogress.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between classprogress.com and other domains, including amirkatamachi.com, clrxpharmacytampa.com, kevinhchen.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
aspmx.l.google.com points to 142.251.163.26 and 2607:f8b0:4004:c1f::1b.
alt1.aspmx.l.google.com points to 192.178.234.27 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.