tfsn.co - robtex.com
tfsn.co
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1514.awsdns-61.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:ea00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1514.awsdns-61.org | ||||||
| A | 205.251.197.234🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1514.awsdns-61.org | ||||||
| NS | ns-1606.awsdns-08.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5306:4600::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1606.awsdns-08.co.uk | ||||||
| A | 205.251.198.70🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1606.awsdns-08.co.uk | ||||||
| NS | ns-279.awsdns-34.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:1700::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-279.awsdns-34.com | ||||||
| A | 205.251.193.23🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-279.awsdns-34.com | ||||||
| NS | ns-876.awsdns-45.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:6c00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-876.awsdns-45.net | ||||||
| A | 205.251.195.108🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-876.awsdns-45.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=1759716291 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns-1514.awsdns-61.org2026-06-12 → 2026-07-26 · 3 obs
● 2026-06-12 19:00:46
● 2026-07-26 02:51:54
○NSns-1534.awsdns-63.org2015-07-06 → 2016-03-21 · 4 obs
● 2016-03-21 05:23:10
○ 2026-06-12 19:00:46
○ 2026-07-26 02:51:54
●NSns-1606.awsdns-08.co.uk2026-06-12 → 2026-07-26 · 3 obs
● 2026-06-12 19:00:46
● 2026-07-26 02:51:54
○NSns-1769.awsdns-29.co.uk2015-07-06 → 2016-03-21 · 4 obs
● 2016-03-21 05:23:10
○ 2026-06-12 19:00:46
○ 2026-07-26 02:51:54
●NSns-279.awsdns-34.com2026-06-12 → 2026-07-26 · 3 obs
● 2026-06-12 19:00:46
● 2026-07-26 02:51:54
○NSns-379.awsdns-47.com2015-07-06 → 2016-03-21 · 4 obs
● 2016-03-21 05:23:10
○ 2026-06-12 19:00:46
○ 2026-07-26 02:51:54
○NSns-523.awsdns-01.net2015-07-06 → 2016-03-21 · 4 obs
● 2016-03-21 05:23:10
○ 2026-06-12 19:00:46
○ 2026-07-26 02:51:54
●NSns-876.awsdns-45.net2026-06-12 → 2026-07-26 · 3 obs
● 2026-06-12 19:00:46
● 2026-07-26 02:51:54
○A103.250.233.1472015-07-06 → 2016-03-21 · 4 obs
● 2016-03-21 05:23:10
○ 2026-06-12 19:00:46
○ 2026-07-26 02:51:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, c.registrydns.co, b.registrydns.co, d.registrydns.co | - |
| tfsn.co | ns-1606.awsdns-08.co.uk, ns-1514.awsdns-61.org, ns-876.awsdns-45.net, ns-279.awsdns-34.com | - |
✅ Authoritative Response
Server:205.251.198.70
NS records: ns-1606.awsdns-08.co.uk, ns-1514.awsdns-61.org, ns-876.awsdns-45.net, ns-279.awsdns-34.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tfsn.co (unsigned zone)
⏱️ Timing
Total: 730ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Four name servers handle the delegation for tfsn.co: ns-279.awsdns-34.com, ns-876.awsdns-45.net, ns-1514.awsdns-61.org and ns-1606.awsdns-08.co.uk.
At least some of tfsn.co's name servers are shared with other domains, for example 194.127.87.in-addr.arpa, hinscheung.com, xingmail.ch and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-279.awsdns-34.com directs to 205.251.193.23 and 2600:9000:5301:1700::1; ns-876.awsdns-45.net directs to 205.251.195.108 and 2600:9000:5303:6c00::1; ns-1514.awsdns-61.org directs to 205.251.197.234 and 2600:9000:5305:ea00::1; ns-1606.awsdns-08.co.uk directs to 205.251.198.70 and 2600:9000:5306:4600::1.