coursefab.com - dns.ninja
coursefab.com
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=1785390982 | ||||||
Same first word
coursefab.com |
Similar names
DNS History
15 records (9 active, 6 former)
●NSns-1388.awsdns-45.org2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
●NSns-1603.awsdns-08.co.uk2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
●NSns-672.awsdns-20.net2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
●NSns-98.awsdns-12.com2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
○NSns37.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs
○ 2019-02-04 17:28:24
○ 2026-07-30 06:13:58
○NSns38.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs
○ 2019-02-04 17:28:24
○ 2026-07-30 06:13:58
●MXalt1.aspmx.l.google.com2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
●MXalt2.aspmx.l.google.com2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
●MXaspmx.l.google.com2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
●MXaspmx2.googlemail.com2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
●MXaspmx3.googlemail.com2019-02-04 → 2026-07-30 · 3 obs
● 2019-02-04 17:28:24
● 2026-07-30 06:13:58
○MXmail.coursefab.com2017-01-04 → 2017-01-04 · 3 obs
○ 2019-02-04 17:28:24
○ 2026-07-30 06:13:58
○A166.62.27.1912017-01-04 → 2017-01-04 · 3 obs
○ 2019-02-04 17:28:24
○ 2026-07-30 06:13:58
○A34.202.25.512019-02-04 → 2019-02-04 · 4 obs
● 2019-02-04 17:28:24
○ 2026-05-14 23:29:16
○ 2026-07-30 06:13:58
○A34.206.173.1502019-02-04 → 2019-02-04 · 4 obs
● 2019-02-04 17:28:24
○ 2026-05-14 23:29:16
○ 2026-07-30 06:13:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursefab.com | ns-98.awsdns-12.com, ns-672.awsdns-20.net, ns-1603.awsdns-08.co.uk, ns-1388.awsdns-45.org | 2 records |
✅ Authoritative Response
Server:205.251.198.67
NS records: ns-98.awsdns-12.com, ns-672.awsdns-20.net, ns-1603.awsdns-08.co.uk, ns-1388.awsdns-45.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursefab.com (unsigned zone)
⏱️ Timing
Total: 340ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1388.awsdns-45.org, ns-1603.awsdns-08.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 3 | facebook-domain-verification=8vwlwwx1mo8, google-site-verification=c5pcLenfJilpHhC... |
| SOA | 1 | ns-98.awsdns-12.com awsdns-hostmaster.am |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-98.awsdns-12.com, ns-98.awsdns-12.com)
Analysis
Name Servers
The NS records for coursefab.com point to four name servers: ns-98.awsdns-12.com, ns-672.awsdns-20.net, ns-1388.awsdns-45.org and ns-1603.awsdns-08.co.uk.
The name servers of coursefab.com overlap at least partially with those of other domains — among them audiumbrasil.com.br, ontechsmartservices.com, silkfloss.com and two more.
The name servers ns-239.awsdns-29.com, ns-779.awsdns-33.net and ns-1853.awsdns-39.co.uk are commonly seen alongside these name servers.
Each of the four hosts ns-98.awsdns-12.com, ns-672.awsdns-20.net, ns-1388.awsdns-45.org and ns-1603.awsdns-08.co.uk has two IP addresses. ns-98.awsdns-12.com points to 205.251.192.98 and 2600:9000:5300:6200::1. ns-672.awsdns-20.net points to 205.251.194.160 and 2600:9000:5302:a000::1. ns-1388.awsdns-45.org points to 205.251.197.108 and 2600:9000:5305:6c00::1. ns-1603.awsdns-08.co.uk points to 205.251.198.67 and 2600:9000:5306:4300::1.
Mail Servers
Five mail servers handle coursefab.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between coursefab.com and other domains, including ns500742.ns500754.ns500754.ns500731.ns500731.ns500731.ns500705.ns500704.ns500671.ns500704.ns500705.ns500678.ns500649.tenderladiesbz.com, ns500742.ns500742.ns500742.ns500731.ns500754.ns500671.ns500688.ns500678.ns500649.ns500678.ns500153.tenderladiesbz.com, ns500734.ns500734.ns500734.ns500699.ns500693.ns500588.ns500693.ns500693.ns500588.ns500588.ns500612.ns500632.ns500612.ns500588.ns500578.ns500110.dtrkdll.com and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com directs traffic to 172.253.115.27 and 2607:f8b0:4004:c1d::1b.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.26 IP addresses each.