cfoster.com - dns.ninja
cfoster.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=1781440855 | ||||||
Subdomains
mail.cfoster.com |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSdns12015-08-07 → 2016-12-01 · 5 obs
● 2015-08-07 06:43:28
● 2016-12-01 02:20:38
○ 2026-02-21 15:03:42
○ 2026-06-14 13:09:26
○NSdns1.cfoster.com2015-08-07 → 2016-12-01 · 5 obs
● 2015-08-07 06:43:28
● 2016-12-01 02:20:38
○ 2026-02-21 15:03:42
○ 2026-06-14 13:09:26
○NSdns2.cfoster.com2007-08-16 → 2016-12-01 · 4 obs
● 2016-12-01 02:20:38
○ 2026-02-21 15:03:42
○ 2026-06-14 13:09:26
●NSns1-01.azure-dns.com2026-02-21 → 2026-06-14 · 3 obs
● 2026-02-21 15:03:42
● 2026-06-14 13:09:26
○NSns1.cfoster.com2007-08-16 → 2007-08-16 · 3 obs
○ 2015-08-07 06:43:28
○ 2026-06-14 13:09:26
●NSns2-01.azure-dns.net2026-02-21 → 2026-06-14 · 3 obs
● 2026-02-21 15:03:42
● 2026-06-14 13:09:26
●NSns3-01.azure-dns.org2026-02-21 → 2026-06-14 · 3 obs
● 2026-02-21 15:03:42
● 2026-06-14 13:09:26
●NSns4-01.azure-dns.info2026-02-21 → 2026-06-14 · 3 obs
● 2026-02-21 15:03:42
● 2026-06-14 13:09:26
○NSns4.cfoster.com2007-08-16 → 2007-08-16 · 3 obs
○ 2015-08-07 06:43:28
○ 2026-06-14 13:09:26
○MXmail.cfoster.com2007-08-16 → 2016-12-01 · 4 obs
● 2016-12-01 02:20:38
○ 2026-02-21 15:03:42
○ 2026-06-14 13:09:26
●MXmx1.emailsrvr.com2026-02-21 → 2026-06-14 · 3 obs
● 2026-02-21 15:03:42
● 2026-06-14 13:09:26
●MXmx2.emailsrvr.com2026-02-21 → 2026-06-14 · 3 obs
● 2026-02-21 15:03:42
● 2026-06-14 13:09:26
○A69.4.46.1772007-08-16 → 2016-12-01 · 4 obs
● 2016-12-01 02:20:38
○ 2026-02-21 15:03:42
○ 2026-06-14 13:09:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cfoster.com | ns1-01.azure-dns.com, ns2-01.azure-dns.net | 2 records |
✅ Authoritative Response
Server:13.107.236.1
NS records: ns1-01.azure-dns.com, ns2-01.azure-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfoster.com (unsigned zone)
⏱️ Timing
Total: 107ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-01.azure-dns.com, ns2-01.azure-dns.net... |
| MX | 2 | mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20) |
| TXT | 1 | v=spf1 include:emailsrvr.com ~all |
| SOA | 1 | ns1-01.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-01.azure-dns.com, ns1-01.azure-dns.com)
Analysis
Hierarchy
cfoster.com is a parent domain of mail.cfoster.com.
Name Servers
The NS records for cfoster.com point to four name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.
cfoster.com shares at least some of its name servers with other domains, including vaibaixarafesta.com.br, certifiers.sydney, scdm15.com and two others.
The host names ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org each resolve to two IP addresses: ns1-01.azure-dns.com resolves to 13.107.236.1 and 2603:1061:0:700::1; ns4-01.azure-dns.info resolves to 208.84.5.1 and 2620:1ec:bda:700::1; ns2-01.azure-dns.net resolves to 150.171.21.1 and 2620:1ec:8ec:700::1; ns3-01.azure-dns.org resolves to 204.14.183.1 and 2a01:111:4000:700::1.
Mail Servers
cfoster.com is served by two mail servers, mx1.emailsrvr.com and mx2.emailsrvr.com.
Among the domains sharing a mail server setup with cfoster.com are archcitysteel.com, boscobelwisconsin.com, cityclubapartments.com and two others.
There is at least a partial MX overlap between cfoster.com and other domains, including rmsasoccer.org, usheraudio.com.tw, eisenberg-inc.com and two others.
mx1.emailsrvr.com and mx2.emailsrvr.com each resolve to one IP number: mx1.emailsrvr.com points to 146.20.161.1 and mx2.emailsrvr.com points to 184.106.54.2.