f4s.co - robtex.com
f4s.co
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1376.awsdns-44.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:6000::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1376.awsdns-44.org | ||||||
| A | 205.251.197.96🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1376.awsdns-44.org | ||||||
| NS | ns-1988.awsdns-56.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:c400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1988.awsdns-56.co.uk | ||||||
| A | 205.251.199.196🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1988.awsdns-56.co.uk | ||||||
| NS | ns-385.awsdns-48.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:8100::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-385.awsdns-48.com | ||||||
| A | 205.251.193.129🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-385.awsdns-48.com | ||||||
| NS | ns-812.awsdns-37.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:2c00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-812.awsdns-37.net | ||||||
| A | 205.251.195.44🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-812.awsdns-37.net | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759704210 | ||||||
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
●NSns-1376.awsdns-44.org2026-06-15 → 2026-07-13 · 3 obs
● 2026-06-15 11:42:16
● 2026-07-13 03:00:36
●NSns-1988.awsdns-56.co.uk2026-06-15 → 2026-07-13 · 3 obs
● 2026-06-15 11:42:16
● 2026-07-13 03:00:36
●NSns-385.awsdns-48.com2026-06-15 → 2026-07-13 · 3 obs
● 2026-06-15 11:42:16
● 2026-07-13 03:00:36
●NSns-812.awsdns-37.net2026-06-15 → 2026-07-13 · 3 obs
● 2026-06-15 11:42:16
● 2026-07-13 03:00:36
○NSns1.domain.com2015-07-11 → 2015-11-11 · 4 obs
● 2015-11-11 08:14:52
○ 2016-02-02 19:32:34
○ 2026-07-13 03:00:36
○NSns2.domain.com2015-07-11 → 2015-11-11 · 4 obs
● 2015-11-11 08:14:52
○ 2016-02-02 19:32:34
○ 2026-07-13 03:00:36
○MXmx.f4s.co2015-07-11 → 2015-11-11 · 4 obs
● 2015-11-11 08:14:52
○ 2016-02-02 19:32:34
○ 2026-07-13 03:00:36
○A52.22.183.582016-02-02 → 2016-02-02 · 4 obs
● 2016-02-02 19:32:34
○ 2016-06-25 23:33:04
○ 2026-07-13 03:00:36
○A54.174.168.1842016-02-02 → 2016-02-02 · 4 obs
● 2016-02-02 19:32:34
○ 2016-06-25 23:33:04
○ 2026-07-13 03:00:36
○A66.96.162.1352015-07-11 → 2015-11-11 · 4 obs
● 2015-11-11 08:14:52
○ 2016-02-02 19:32:34
○ 2026-07-13 03:00:36
○CNAMEpr-co-suspensions.neuweb.biz2016-02-02 → 2016-02-02 · 3 obs
○ 2016-06-25 23:33:04
○ 2026-07-13 03:00:36
○CNAMEws-pr-web-suspensionpages-1962938698.us-east-1.elb.amazonaws.com2016-02-02 → 2016-02-02 · 3 obs
○ 2016-06-25 23:33:04
○ 2026-07-13 03:00:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | b.registrydns.co, d.registrydns.co, a.registrydns.co, c.registrydns.co | - |
| f4s.co | ns-385.awsdns-48.com, ns-812.awsdns-37.net, ns-1376.awsdns-44.org, ns-1988.awsdns-56.co.uk | - |
✅ Authoritative Response
Server:205.251.199.196
NS records: ns-385.awsdns-48.com, ns-812.awsdns-37.net, ns-1376.awsdns-44.org, ns-1988.awsdns-56.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f4s.co (unsigned zone)
⏱️ Timing
Total: 480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The NS records for f4s.co point to four name servers: ns-385.awsdns-48.com, ns-812.awsdns-37.net, ns-1376.awsdns-44.org and ns-1988.awsdns-56.co.uk.
The name servers of f4s.co overlap at least partially with those of other domains — among them gatewayventures.net, jbhifidigitaltv.mobi, searshomepro.com and two more.
Each of the four hosts ns-385.awsdns-48.com, ns-812.awsdns-37.net, ns-1376.awsdns-44.org and ns-1988.awsdns-56.co.uk has two IP addresses. ns-385.awsdns-48.com points to 205.251.193.129 and 2600:9000:5301:8100::1. ns-812.awsdns-37.net points to 205.251.195.44 and 2600:9000:5303:2c00::1. ns-1376.awsdns-44.org points to 205.251.197.96 and 2600:9000:5305:6000::1. ns-1988.awsdns-56.co.uk points to 205.251.199.196 and 2600:9000:5307:c400::1.