f4.is - robtex.com
f4.is
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1776269402 | ||||||
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●NSns1.afraid.org2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●NSns2.afraid.org2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●NSns3.afraid.org2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●NSns4.afraid.org2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●MXalt1.aspmx.l.google.com2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●MXalt2.aspmx.l.google.com2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●MXalt3.aspmx.l.google.com2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●MXalt4.aspmx.l.google.com2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●MXaspmx.l.google.com2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
●A174.0.153.452026-04-11 → 2026-04-15 · 2 obs
● 2026-04-15 16:25:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, d.nic.is, e.nic.is... | - |
| f4.is | ns1.afraid.org, ns2.afraid.org, ns3.afraid.org, ns4.afraid.org | - |
✅ Authoritative Response
Server:69.65.50.194
NS records: ns1.afraid.org, ns2.afraid.org, ns3.afraid.org, ns4.afraid.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f4.is (unsigned zone)
⏱️ Timing
Total: 2623ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 174.0.153.45 |
| NS | 4 | ns1.afraid.org, ns3.afraid.org... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | google-site-verification=CR7-3bqNtlru5TI |
| SOA | 1 | ns1.afraid.org dnsadmin.afraid.org |
Analysis
IP Addresses
f4.is resolves to one IP number: 174.0.153.45.
Name Servers
f4.is delegates to four name servers: ns1.afraid.org, ns2.afraid.org, ns3.afraid.org and ns4.afraid.org.
f4.is at least partially shares name servers with other domains, including adtit.com.au, grumbler.org, qdsystems.com.ar, playremin.com and arcorp.org.
Host names with two IP numbers:
ns2.afraid.org points to 2001:1850:1:5:800::6b and 69.65.50.223
ns4.afraid.org points to 2610:150:bddb:d271::2 and 70.39.97.253
Host names with one IP number:
ns1.afraid.org points to 69.65.50.194
ns3.afraid.org points to 67.220.81.190
Mail Servers
f4.is is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
f4.is shares at least some mail servers with other domains, for example ingredai.com, ns500758.ns500759.ns500759.ns500698.ns500736.ns500698.ns500736.ns500735.ns500698.ns500576.ns500698.ns500698.ns500686.ns500576.ns500576.trackreceptor.com, ns500734.ns500693.ns500734.ns500699.ns500699.ns500693.ns500693.ns500588.ns500693.ns500699.ns500632.ns500588.ns500588.ns500588.ns500588.dtrkdll.com, ns500758.ns500698.ns500758.ns500736.ns500736.ns500698.ns500698.ns500698.ns500708.ns500708.ns500698.ns500708.ns500708.ns500652.trackreceptor.com and ns500758.ns500759.ns500759.ns500758.ns500736.ns500735.ns500736.ns500735.ns500736.ns500708.ns500708.ns500619.ns500576.ns500619.trackreceptor.com.
These mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers
aspmx.l.google.com points to: 2a00:1450:4009:c19::1b and 192.178.223.26
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1a and 108.177.123.26
alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.27
alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.26
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27
Host names that point to 192.178.223.26 are aspmx.l.google.com and alt3.aspmx.l.google.com