linuxcertifications.com - dns.ninja
linuxcertifications.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 | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
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=1793366056 | ||||||
Same first word
linuxcertifications.com |
linuxcertifications.net |
DNS History
6 records (4 active, 2 former)
●NSns1.afternic.com2026-10-02 → 2026-10-30 · 2 obs
● 2026-10-02 08:57:32
● 2026-10-30 13:17:12
● 2026-10-30 13:17:12
●NSns2.afternic.com2026-10-02 → 2026-10-30 · 2 obs
● 2026-10-02 08:57:32
● 2026-10-30 13:17:12
● 2026-10-30 13:17:12
●A13.248.169.482026-10-02 → 2026-10-30 · 3 obs
○ 2020-02-16 10:55:24
● 2026-10-02 08:57:32
● 2026-10-30 13:17:12
● 2026-10-02 08:57:32
● 2026-10-30 13:17:12
○A207.148.248.1432015-11-21 → 2020-02-16 · 5 obs
○ 2015-07-06 18:34:36
● 2015-11-21 17:03:30
● 2020-02-16 10:55:24
○ 2026-10-02 08:57:32
○ 2026-10-30 13:17:12
● 2015-11-21 17:03:30
● 2020-02-16 10:55:24
○ 2026-10-02 08:57:32
○ 2026-10-30 13:17:12
○A66.151.181.492015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 18:34:36
○ 2015-11-21 17:03:30
○ 2026-10-30 13:17:12
○ 2015-11-21 17:03:30
○ 2026-10-30 13:17:12
●A76.223.54.1462026-10-02 → 2026-10-30 · 3 obs
○ 2020-02-16 10:55:24
● 2026-10-02 08:57:32
● 2026-10-30 13:17:12
● 2026-10-02 08:57:32
● 2026-10-30 13:17:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| linuxcertifications.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxcertifications.com (unsigned zone)
⏱️ Timing
Total: 501ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
linuxcertifications.com has two IP addresses: 13.248.169.48 and 76.223.54.146
Name Servers
linuxcertifications.com is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
ns1.afternic.com and ns2.afternic.com each resolve to two IP addresses: ns1.afternic.com points to 97.74.98.69 and 2603:5:2126::45, while ns2.afternic.com points to 173.201.66.69 and 2603:5:2226::45.