headfirst.com - dns.ninja
headfirst.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 141.193.213.11🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US | ||||||
| NS | ns53.worldnic.com ⭐ | ||||||
| A | 162.159.26.165Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns54.worldnic.com | ||||||
| A | 162.159.27.8Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | headfirst-com.mx1.arsmtp.com ⭐ | ||||||
| A | 8.31.233.174🇺🇸 APPRI-18.31.233.0/24 AppRiver, LLC 1101 Gulf Breeze Parkway Gulf Breeze, FL 32561 US | ||||||
| PTR | server238.appriver.com | ||||||
| MX | headfirst-com.mx2.arsmtp.com(20) | ||||||
| A | 8.19.118.174🇺🇸 AS133808.19.118.0/24 AppRiver, LLC 1101 Gulf Breeze Parkway Gulf Breeze, FL 32561 US | ||||||
| PTR | server239.appriver.com | ||||||
| TXT | sending_domain293422=1fe51ff8bc36b53b149149326ce807f1a9869850fb867d29d4a2df07... | ||||||
| TXT | MS=ms32089859 | ||||||
| TXT | rippling-domain-verification=8c4f81d947e71c2e | ||||||
| TXT | v=spf1 a mx include:spf.protection.outlook.com include:40658869.spf07.hubspot... | ||||||
| TXT | 1C3AFC0E9C | ||||||
| SOA | NS53.WORLDNIC.comnamehost@WORLDNIC.com serial=125120410 | ||||||
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=1781239568 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns53.worldnic.com2015-08-07 → 2026-06-12 · 2 obs
● 2026-06-12 04:55:08
●NSns54.worldnic.com2015-08-07 → 2026-06-12 · 2 obs
● 2026-06-12 04:55:08
●MXheadfirst-com.mx1.arsmtp.com2026-02-21 → 2026-06-12 · 3 obs
● 2026-02-21 07:53:10
● 2026-06-12 04:55:08
●MXheadfirst-com.mx2.arsmtp.com2026-02-21 → 2026-06-12 · 3 obs
● 2026-02-21 07:53:10
● 2026-06-12 04:55:08
○MXp.webcom.ctmail.com2015-12-11 → 2017-05-17 · 4 obs
● 2017-05-17 00:08:06
○ 2026-02-21 07:53:10
○ 2026-06-12 04:55:08
●A141.193.213.112026-02-21 → 2026-06-12 · 2 obs
● 2026-06-12 04:55:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net... | - |
| headfirst.com | ns53.worldnic.com, ns54.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.8
NS records: ns53.worldnic.com, ns54.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for headfirst.com (unsigned zone)
⏱️ Timing
Total: 586ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 141.193.213.11 |
| NS | 2 | ns53.worldnic.com, ns54.worldnic.com |
| MX | 2 | headfirst-com.mx1.arsmtp.com (pri: 10), headfirst-com.mx2.arsmtp.com (pri: 20) |
| TXT | 5 | sending_domain293422=1fe51ff8bc36b53b149, MS=ms32089859... |
| SOA | 1 | NS53.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns53.worldnic.com, ns54.worldnic.com)
Analysis
IP Addresses
headfirst.com directs to one IP number, which is 141.193.213.11.
Among the host names that share IP numbers with headfirst.com are go-near.org, www.garagedoorrepair.com, aoga.org and two others.
Name Servers
headfirst.com is delegated to two name servers: ns53.worldnic.com and ns54.worldnic.com.
headfirst.com has the same name server delegation as a number of other domains, such as roninproductions.tv, telxcompany.com, depeche-mode.com and two more.
headfirst.com shares at least some of its name servers with other domains, such as kohlerengine.info.
ns53.worldnic.com and ns54.worldnic.com each resolve to one IP number: ns53.worldnic.com points to 162.159.26.165 and ns54.worldnic.com points to 162.159.27.8.
Mail Servers
The MX records for headfirst.com point to two mail servers: headfirst-com.mx1.arsmtp.com and headfirst-com.mx2.arsmtp.com.
headfirst-com.mx1.arsmtp.com and headfirst-com.mx2.arsmtp.com each resolve to one IP number: headfirst-com.mx1.arsmtp.com points to 8.31.233.174 and headfirst-com.mx2.arsmtp.com points to 8.19.118.174.